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Search: Posts Made By: nowanker
Forum: E46 M3 (2001-2006) Fri, Aug-17-2018, 04:02:45 PM
Replies: 8
Views: 224
Posted By nowanker
Re: Digging into the Diff Rebuild

:hattip:
Thank you for posting this info.
With replacement friction plates available, might be worth rebuilding.
Shim up all that excess backlash in the spider gears, and it'll stop clunking too.
Forum: E46 M3 (2001-2006) Fri, Aug-17-2018, 03:50:54 PM
Replies: 8
Views: 224
Posted By nowanker
Re: Digging into the Diff Rebuild

Now is a great time to get away from that 'M-Variable Clunking' diff!
Also recommend contacting Jim Blanton. His diffs aren't cheap, but he knows of what he speaks.
Heard good things about OS Giken...
Forum: E46 M3 (2001-2006) Wed, Aug-15-2018, 03:39:21 PM
Replies: 12
Views: 421
Posted By nowanker
Re: How bad can it be to drive/have driven on this

Some OE BMW struts are preloaded to suck themselves down, rather than extend themselves out like a regular gas shock. If that's the case, no way in hell will you be able to push the car down far...
Forum: E46 M3 (2001-2006) Mon, Aug-13-2018, 03:54:34 PM
Replies: 8
Views: 425
Posted By nowanker
Re: Riding the Red Horse

Still amazes me that the mortality rate among teenage and pre-teen boys is not close to 100%.
Interesting read there, Doog...
Forum: E46 M3 (2001-2006) Tue, Aug-07-2018, 03:37:54 PM
Replies: 19
Views: 1,062
Posted By nowanker
Re: E46 M3 Diff (my journey)...

Very interested to find whether your new diff clunks or not.
"Normal and necessary for proper M-Variable Locking Concept operation."
...Not a true statement!
Forum: E46 M3 (2001-2006) Thu, Aug-02-2018, 05:44:19 PM
Replies: 20
Views: 602
Posted By nowanker
Re: E46 M3 Alignment Woes

Aha!
Missed the thumb of the printout.
Numbers look good, minor split in the caster favors a slight pull to the left, but is so small as to essentially have no effect.
If there isn't any play...
Forum: E46 M3 (2001-2006) Thu, Aug-02-2018, 03:24:39 PM
Replies: 20
Views: 602
Posted By nowanker
Re: E46 M3 Alignment Woes

Sticking caliper can always be a culprit for pulling! Check for uneven brake pad wear, or one wheel might be hot after driving.
As far as correcting for road crown... you can adjust the camber...
Forum: E46 M3 (2001-2006) Wed, Aug-01-2018, 04:05:22 PM
Replies: 4
Views: 190
Posted By nowanker
Re: Diagnosing clutch problem

Pilot bearing drag
Air in the system
Clutch master
Slave
Flex hose 'ballooning' (not bloody likely...)
Worn release fork (happens!)
Worn pivot pin (happens)
Badly installed aftermarket clutch...
Forum: E46 M3 (2001-2006) Wed, Aug-01-2018, 03:48:15 PM
Replies: 20
Views: 602
Posted By nowanker
Re: E46 M3 Alignment Woes

Unless F toe is spectacularly wrong, unlikely to be the source of any vibration. Check the balance.
Regarding the steering wheel position: when you let go of the wheel, does the car still go...
Forum: E46 M3 (2001-2006) Mon, Jul-30-2018, 06:20:37 PM
Replies: 172
Views: 7,105
Posted By nowanker
Re: Review: Cobra Nogaro seats (uniquely street friendly fixed back bucket seat)

Thank you for the excellent writeup!
Your interior looks awesome....
Forum: E46 M3 (2001-2006) Mon, Jul-30-2018, 03:26:11 PM
Replies: 6
Views: 282
Posted By nowanker
Re: HELP - Smog Check Test Only Station in Bay Area without doing visual inspection

Good luck with that!
The last thing any cash-friendly smog inspector wants is to have his name publicized.
HUGE fines, big jail time...
Forum: E46 M3 (2001-2006) Tue, Jul-24-2018, 03:15:49 PM
Replies: 8
Views: 395
Posted By nowanker
Re: Turner rear camber arms or comparable

Used Spec arms with the poly bushing on my track car, lasted 2 events before the bushings squished out.
I like the Turner monoball arms. Their design makes camber adjustments a breeze.
Forum: E46 M3 (2001-2006) Mon, Jul-09-2018, 03:39:47 PM
Replies: 40
Views: 1,289
Posted By nowanker
Re: 2003 M3 overheating THE WEIRDEST THING

#1 question to answer is how hot is it actually getting?
And does it continue to climb past the 3/4 mark, or does it stabilize?
They sold these in the middle east... LA street driving shouldn't...
Forum: E46 M3 (2001-2006) Mon, Jul-02-2018, 03:40:47 PM
Replies: 10
Views: 462
Posted By nowanker
Re: Rogue Engineering adjustable clutch slave cylinder

It'll probably work just fine.
But it's just a bandaid for whatever the real problem is...
The top two causes for your symptoms are air in the system (it can be a real M-F to bleed...) or the pivot...
Forum: E46 M3 (2001-2006) Mon, Jul-02-2018, 03:28:11 PM
Replies: 10
Views: 484
Posted By nowanker
Re: ECS flywheel e34 m5 clutch kit?

Not an E46 M3 specifically, and not the ECS kit, but I've installed the UUC aluminum flywheel/sprung hub kits into a bunch of different cars.
There was definitely more noise in neutral, but I didn't...
Forum: E46 M3 (2001-2006) Thu, Jun-21-2018, 05:09:50 PM
Replies: 46
Views: 2,782
Posted By nowanker
Re: A good example of why my engine internals have remained stock

No, topics are related. Just illustrating an example of cost/risk planning going on behind the scenes at a car company. Probably true for any consumer product.
As for 'all M3s having the clunk'......
Forum: E46 M3 (2001-2006) Thu, Jun-21-2018, 04:57:37 PM
Replies: 6
Views: 178
Posted By nowanker
Re: gearbox input shaft shape

Sometimes they seize in the back of the crank...
Bigger question, was the bearing free spinning? If it was frozen, the input shaft would spin in the race and could account for the wear.
I wouldn't...
Forum: E46 M3 (2001-2006) Thu, Jun-21-2018, 03:15:59 PM
Replies: 46
Views: 2,782
Posted By nowanker
Re: A good example of why my engine internals have remained stock

When BMW was paying for scheduled maintenance, you can bet your ass they did some detailed cost/failure projections. They didn't arrive at that 15K mile oil change interval by accident.
As for the...
Forum: E46 M3 (2001-2006) Wed, Jun-20-2018, 06:07:07 PM
Replies: 46
Views: 2,782
Posted By nowanker
Re: A good example of why my engine internals have remained stock

I'm sure every manufacturer has a room full of actuarials (right term?) crunching data to determine the most profitable Manufacturing Cost/Warranty Repair Cost ratios.
Marketing probably adds their...
Forum: E46 M3 (2001-2006) Tue, Jun-19-2018, 02:52:05 PM
Replies: 46
Views: 2,782
Posted By nowanker
Re: A good example of why my engine internals have remained stock

Wow, very cool.
If only they had done that for the S54...
Forum: E46 M3 (2001-2006) Mon, Jun-11-2018, 03:13:17 PM
Replies: 18
Views: 1,033
Posted By nowanker
Re: Diff upgrade

Bushings don't cause whine.
Gear mesh causes whine.
Hard bushings just telegraph it into the cockpit better.
Properly set up new gears should be just as quiet as any full size older American...
Forum: E46 M3 (2001-2006) Fri, Jun-08-2018, 03:02:11 PM
Replies: 2
Views: 250
Posted By nowanker
Re: Rear hard brake line, OEM steel line vs copper nickel line?

Haven't replaced that specific brake line, but have done quite a few others.
BMW typically supplies line that are the exact length required, but aren't usually pre-bent.
Advantage/disadvantage......
Forum: E46 M3 (2001-2006) Tue, May-29-2018, 04:31:22 PM
Replies: 9
Views: 313
Posted By nowanker
Re: problem bleeding clutch with pressure bleeder

It's one of life's mysteries, but it is a common issue.
Where does all the f*ckin' air come from?!
2 tricks from the dealership:
Hold the clutch pedal down to the floor when bleeding. I use the...
Forum: E46 M3 (2001-2006) Sat, May-26-2018, 08:46:47 PM
Replies: 15
Views: 865
Posted By nowanker
Re: How F'd am I?

Stainless is lacking tensile strentgh, makes a poor fastener.
Home Depot and Lowes have grade 8 SAE bolts. Their selection isn't that great, but maybe you get lucky.
This sh*t always happens on a 3...
Forum: E46 M3 (2001-2006) Fri, May-25-2018, 08:45:50 PM
Replies: 15
Views: 865
Posted By nowanker
Re: How F'd am I?

It looks like there's enough meat there to HeliCoil it.
Can't remember... does the pinch bolt have clearance past the strut tube, or does it run through a relief in the side of the tube?
Either...
Forum: E46 M3 (2001-2006) Thu, May-24-2018, 06:24:49 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

Craftsman def not what it was... but it'll still get you rolling for very little cash.
Supposedly Husky is made by Mac (or vice-versa...), and even though Mac and Matco have made big strides,...
Forum: E46 M3 (2001-2006) Thu, May-24-2018, 05:00:24 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

Back to the OP:
What is your skill level, and what is the dealer expecting from you?
If you're just starting out, they can't expect you to produce all that BMW specific weirdness as soon as you...
Forum: E46 M3 (2001-2006) Thu, May-24-2018, 03:21:32 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

I forgot one....
Virtually ZERO chance of advancement.
Forum: E46 M3 (2001-2006) Wed, May-23-2018, 04:53:35 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

Never EVER heard of a dealer supplying a basic mechanic's toolset.
BMW corporate forces the dealer to purchase certain 'special tools'... which are frequently misplaced or in use when you need them....
Forum: E46 M3 (2001-2006) Wed, May-23-2018, 04:46:43 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

Making the selection of auto tech even more foolish as a career path...
Outrageously high initial investment.
Working conditions that are hell on your body.
'Patients' that are ever increasing in...
Forum: E46 M3 (2001-2006) Wed, May-23-2018, 03:33:32 PM
Replies: 24
Views: 573
Posted By nowanker
Re: Tools Needed?

All the basic sh*t
Female Torx sockets, incl swivels
Inch/pound torque wrench
Patience
Creative writing skills to lie on your repair order notes, or you'll wind up making less than minimum wage...
Forum: E46 M3 (2001-2006) Tue, May-22-2018, 03:58:52 PM
Replies: 5
Views: 319
Posted By nowanker
Re: My small Ground Control Review/Rant

It had been a long standing joke:
Ground Control products are generally excellent, but the fulfillment/shipping was so consistently bad that it was beyond belief.
Seemed like they had improved...
Forum: E46 M3 (2001-2006) Tue, May-15-2018, 03:31:32 PM
Replies: 11
Views: 802
Posted By nowanker
Re: Destroying Clutches- Can't figure out why

:hattip:
Crank damper is my guess too.
Different motor, but had an S38 M5 with a bad damper exhibit VERY similar symptoms. Pressure plate bolts were all tight, but the flywheel bolts had come...
Forum: E46 M3 (2001-2006) Fri, May-11-2018, 03:28:38 PM
Replies: 33
Views: 1,033
Posted By nowanker
Re: Tire Help: Michelin PS4S or Nitto NT-01 for HPDE & Street Use

Additional notes on the NT01...
I ran them on my BMWCCA E36 M3 race car for a while. Def not the fastest tire, but it was what my budget dictated.
I had 20+ sessions on them over 2 years before I...
Forum: E46 M3 (2001-2006) Fri, May-11-2018, 03:21:26 PM
Replies: 33
Views: 1,033
Posted By nowanker
Re: Tire Help: Michelin PS4S or Nitto NT-01 for HPDE & Street Use

Nice to see a fellow ZO6 owner here!
Our tire selection is limited by the sizing, for sure.
Your choice really comes down to skill level and where you want to draw the compromise. I've tracked and...
Forum: E46 M3 (2001-2006) Fri, Apr-27-2018, 03:23:26 PM
Replies: 60
Views: 2,746
Posted By nowanker
Re: About to purchase Arc 8s when I saw these

"The opposite of good is not better"
I like that!
And friends don't let friends buy heavy cheapsh*t wheels.
Forum: E46 M3 (2001-2006) Wed, Apr-18-2018, 03:32:12 PM
Replies: 20
Views: 680
Posted By nowanker
Re: Replace these tires or not?

I normally run mine down until I can see the air (or until it starts raining...), but I'd toss those without hesitation.
Forum: E46 M3 (2001-2006) Fri, Mar-30-2018, 02:59:40 PM
Replies: 24
Views: 813
Posted By nowanker
Re: Clutch Biting when clutch fully depressed?

If the clutch isn't fully releasing, rev matching both up and down is the only way to prevent extra wear on the synchros.
Someone in a previous post recommend checking the clutch stop. I've seen a...
Forum: E46 M3 (2001-2006) Thu, Mar-29-2018, 10:49:16 PM
Replies: 24
Views: 813
Posted By nowanker
Re: Clutch Biting when clutch fully depressed?

....depends on the situation. I'll downshift into first without a 2nd thought if it's appropriate.
Forum: E46 M3 (2001-2006) Thu, Mar-29-2018, 01:11:57 AM
Replies: 27
Views: 1,143
Posted By nowanker
Forum: E46 M3 (2001-2006) Wed, Mar-28-2018, 03:23:11 PM
Replies: 24
Views: 813
Posted By nowanker
Re: Clutch Biting when clutch fully depressed?

:thumbsup2:

Professional opinion... this pretty much nails it.
:hattip:
Forum: E46 M3 (2001-2006) Sat, Mar-24-2018, 08:59:17 PM
Replies: 29
Views: 796
Posted By nowanker
Re: RTV orange or Hylomar blue for VCG

The Pematex orange/red high temp had been my go-to silicone for years, but I have to assume they changed the formulation at some point. It seemed like overnight it suddenly stopped working.
I like...
Forum: E46 M3 (2001-2006) Fri, Mar-23-2018, 01:15:59 AM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

I was never all that impressed with BMW engineering, but they somehow always managed to make a car that was pleasing to drive.
What impressed the livin' sh*t out me was the marketing department!...
Forum: E46 M3 (2001-2006) Thu, Mar-22-2018, 01:38:30 PM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

This is the most entertaining thread here in a long time!
Owned both an M3 and a C5 (base, not Z). Wow, what different cars.
The Corvette is faster, but not something you'd want to live with every...
Forum: E46 M3 (2001-2006) Wed, Mar-21-2018, 07:07:25 PM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

Top down? aero disaster!
Top up? would the fabric survive?
But back to the maintenance cost thing... with the valve adjustment, M3 maintenance gets pretty costly. Basic service on an E90 is pretty...
Forum: E46 M3 (2001-2006) Wed, Mar-21-2018, 05:40:36 PM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

160 is moving pretty well... but he did say it was on a closed course, under carefully controlled conditions, with a professional driver.
:D
Forum: E46 M3 (2001-2006) Wed, Mar-21-2018, 05:02:23 PM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

I'm shocked! SHOCKED! to find members of this forum speeding!
Y'all ought to be ashamed of yourselves!
Forum: E46 M3 (2001-2006) Wed, Mar-21-2018, 03:32:42 PM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

E46 M3 compared to the E9x 335i is totally analogous to the Porsche 993 vs. 996 situation.
996 seems to be better in every way. Faster, quicker, quieter, smoother, more comfortable, better...
Forum: E46 M3 (2001-2006) Wed, Mar-21-2018, 01:57:17 AM
Replies: 119
Views: 5,197
Posted By nowanker
Re: Getting Rekt by a 335i

No dog in this fight... I sold my M3 a while back. Replaced by an E46 330ci to daily, and a C6 Z06 for speed. But I have worked on and driven a crapload of them both.
Completely different feel on...
Forum: E46 M3 (2001-2006) Fri, Mar-16-2018, 02:03:39 PM
Replies: 10
Views: 267
Posted By nowanker
Forum: E46 M3 (2001-2006) Thu, Mar-15-2018, 11:57:31 PM
Replies: 10
Views: 267
Posted By nowanker
Re: Wiring experts, need your help!

I don't have the wiring diagram handy, but working from memory... is the grey wire not control panel/switch (dimmable) illumination in the DIN scheme of things?
But I can't see any reason that would...
Forum: E46 M3 (2001-2006) Sun, Mar-11-2018, 04:18:00 PM
Replies: 5
Views: 291
Posted By nowanker
Re: Schwaben Pressure Bleeder

Unless all your cars are German, go with the Motive. They have a cap to fit almost anything.
Forum: E46 M3 (2001-2006) Thu, Mar-01-2018, 04:22:03 PM
Replies: 31
Views: 2,041
Posted By nowanker
Re: Aggressive alignment spec for daily

:laughhard::laughhard::laughhard::laughhard::laughhard::laughhard::laughhard::rofl3::rofl3::rofl3::rofl3::rofl3::rofl3::rofl3::rofl3::rofl3:
Forum: E46 M3 (2001-2006) Thu, Feb-22-2018, 10:42:36 PM
Replies: 46
Views: 2,385
Posted By nowanker
Re: CA SMOG

The luster is turning to tarnish here in the golden state...
Forum: E46 M3 (2001-2006) Sun, Feb-11-2018, 01:06:15 AM
Replies: 5
Views: 386
Posted By nowanker
Re: My no start situation hopefully this saves someone the trouble i went through

Intermittent problems are the bane of a technicians life!
:thumbsdown:
Sometimes tough to diagnose issues on the later model cars.
GT1 diagnostic tester has a memory for keys recognized or not...
Forum: E46 M3 (2001-2006) Sat, Feb-10-2018, 07:18:10 PM
Replies: 5
Views: 386
Posted By nowanker
Re: My no start situation hopefully this saves someone the trouble i went through

Sorry to hear of your pain!
A little bit of diagnostic work might save hours of aggravation and $$$ worth of unneeded parts...
Forum: E46 M3 (2001-2006) Thu, Feb-08-2018, 03:36:12 PM
Replies: 17
Views: 496
Posted By nowanker
Re: Is there such a thing like clutch spindown time for manual transmission?

Can you pump the clutch up to a different release point? It is sometimes difficult to get all the air out, even with a pressure bleeder. I've had good luck bleeding them with the pedal on the floor,...
Forum: E46 M3 (2001-2006) Wed, Feb-07-2018, 06:44:15 PM
Replies: 17
Views: 496
Posted By nowanker
Re: Is there such a thing like clutch spindown time for manual transmission?

Verify that the clutch is actually releasing all the way.
Sticky pilot bearing will also keep the input shaft turning with clutch released, and might account for the noise.
If the problem happens...
Forum: E46 M3 (2001-2006) Mon, Feb-05-2018, 04:23:04 PM
Replies: 23
Views: 879
Posted By nowanker
Re: GL5 75W90 gear oil in the transmission??

Thicker oil = harder to shift. Explains why they're hard shifting when cold...
Many manual transmissions spec ATF for oil, including domestics of the muscle car era. The basic design of a manual...
Forum: E46 M3 (2001-2006) Sun, Feb-04-2018, 04:57:24 PM
Replies: 23
Views: 879
Posted By nowanker
Re: GL5 75W90 gear oil in the transmission??

^^ agree heartily with both. Everything I've heard and read over the last 30+ years says that the additives that earn oil an EP rating (sulfur?) are damaging to the brass synchros.
If you think...
Forum: E46 M3 (2001-2006) Fri, Feb-02-2018, 06:29:42 PM
Replies: 45
Views: 1,770
Posted By nowanker
Re: Cerma Engine Treatment !

:hattip:
Also when you want to tell the world about being kidnapped by aliens, seeing bigfoot, loc ness monster, Jimmy Hoffa....
But I'm sure it's all 100% true.
Forum: E46 M3 (2001-2006) Fri, Feb-02-2018, 01:05:20 AM
Replies: 45
Views: 1,770
Posted By nowanker
Re: Cerma Engine Treatment !

This one weird engine treatment broke the internet!
Forum: E46 M3 (2001-2006) Thu, Feb-01-2018, 03:12:51 PM
Replies: 45
Views: 1,770
Posted By nowanker
Re: Cerma Engine Treatment !

...I heard about this guy who built an engine that runs on water!
No, really!....
Forum: E46 M3 (2001-2006) Tue, Jan-30-2018, 12:09:54 AM
Replies: 36
Views: 1,492
Posted By nowanker
Re: Need coilover recommendations for track only use.

:laughhard:
But they're great other than that....
:rofl3:
Forum: E46 M3 (2001-2006) Mon, Jan-29-2018, 12:21:28 AM
Replies: 36
Views: 1,492
Posted By nowanker
Re: Need coilover recommendations for track only use.

^^ the Konis are supposedly custom valved. Either way, GC makes quality stuff. For sure I prefer their camber plates over anyone else's.
Don't know if anyone really offers a discount, but Bimmer...
Forum: E46 M3 (2001-2006) Sun, Jan-28-2018, 05:45:26 PM
Replies: 36
Views: 1,492
Posted By nowanker
Re: Need coilover recommendations for track only use.

Going cheap on a track car = throwing money away.
If you're serious about the track, you'll be buying the good stuff later anyway.
Least that's always been the way it worked for me.
TC Kline or...
Forum: E46 M3 (2001-2006) Fri, Jan-26-2018, 12:51:25 AM
Replies: 11
Views: 456
Posted By nowanker
Re: Difference in Rotor Screws

:thumbsup2:
2 things piss me off beyond sanity:
People who tighten the rotor hold down screws 'impact tight', and people who assume that since the fan clutch nut is so large, torque spec must be...
Forum: E46 M3 (2001-2006) Mon, Jan-22-2018, 03:53:45 PM
Replies: 22
Views: 853
Posted By nowanker
Re: C.A.R.B. OE sticker for Dinan airborne. Real or not?

Alas... there are enough 'minor' inconveniences to add up into an unmanageable bureaucratic nightmare. I might miss the weather, but that's it.
Born in San Jose, lived whole life here, don't even...
Forum: E46 M3 (2001-2006) Fri, Jan-19-2018, 04:26:29 PM
Replies: 22
Views: 853
Posted By nowanker
Re: C.A.R.B. OE sticker for Dinan airborne. Real or not?

Cali air resources board website has a list of 'approved' aftermarket components, with their corresponding exemption orders and numbers. It's a righteous pain in the ass to search tho.
A copy of the...
Forum: E46 M3 (2001-2006) Tue, Jan-16-2018, 05:35:45 PM
Replies: 9
Views: 485
Posted By nowanker
Re: NewTIS.info Site for TIS Docs

Nice source!
Wonder how long before BMW corporate shuts it down.
Forum: E46 M3 (2001-2006) Wed, Jan-10-2018, 03:43:10 PM
Replies: 13
Views: 729
Posted By nowanker
Re: Ceika Brakes

Not actually so cheap...
Click down the list of options, and you wind up above $2k really fast.
Forum: E46 M3 (2001-2006) Tue, Jan-09-2018, 12:07:06 AM
Replies: 9
Views: 383
Posted By nowanker
Re: Installing Rear Control Arms

^^ I agree. Big fan of just removing stuff altogether rather than fighting around it. Usually takes more time than I save when I try to cut those corners. Not to mention the aggravation...
Forum: E46 M3 (2001-2006) Mon, Jan-08-2018, 08:55:51 PM
Replies: 9
Views: 383
Posted By nowanker
Re: Installing Rear Control Arms

One inner and one outer bolt on each side.
The diff does need to be moved to remove at least one of the inner bolts, maybe both, I forget. Might be possible to just remove the diff bolts and jack it...
Forum: E46 M3 (2001-2006) Sat, Dec-30-2017, 12:20:25 AM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

"Backlash" is a generic term describing play between gears, also can be used to describe play in any mechanism.
But regarding differential/final drive assemblies, it's used to specifically describe...
Forum: E46 M3 (2001-2006) Sun, Dec-17-2017, 06:25:37 PM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

Those are some great pix! Thanks for posting them up.
That is some nasty looking wear on the gear teeth. My vote on the actual cause if this whole issue goes to improper manufacture. Perhaps...
Forum: E46 M3 (2001-2006) Sun, Dec-17-2017, 06:09:16 PM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

Proper Ring gear/pinion gear backlash is CRITICAL to the gearset longevity! I wouldn't deviate from the factory specs. But I wouldn't hesitate to shim up some of the excess clearance in the spider...
Forum: E46 M3 (2001-2006) Sat, Dec-16-2017, 04:01:06 PM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

^^ I had a long conversation with Jim Blanton when I was doing mine. I expect he has a solution for the spider gear backlash.
How about a DIY solution... with feeler gauge, measure the clearance...
Forum: E46 M3 (2001-2006) Fri, Dec-15-2017, 08:30:28 PM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

I wouldn't recommend DIY diff work. If you search here, there are some good writeups about it. I did mine out of pride, and it sucked from start to finish.
Find a diff shop that's familiar with...
Forum: E46 M3 (2001-2006) Fri, Dec-15-2017, 04:01:21 PM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash

The term 'backlash' when applied to a differential is typically defining the relative movement between the pinion gear and the ring gear, and is a critical dimension when building a diff.
But in my...
Forum: E46 M3 (2001-2006) Fri, Dec-15-2017, 03:09:54 AM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash (eliminate M clunk)

'specially like the line about "tosional rigidity" in the driveline.
SLOP is the OPPOSITE of that.
Torque can hardly be "Instantaneously transferred" when there's a sh*tload of extra backlash.
Forum: E46 M3 (2001-2006) Fri, Dec-15-2017, 12:34:30 AM
Replies: 53
Views: 2,551
Posted By nowanker
Re: Adjusting Diff backlash (eliminate M clunk)

Respectfully need to disagree about this.
I've been a dealer tech and ran 2 BMW performance shops...
In my direct experience, after driving a pretty good sample of them, not all E46 M3s exhibit the...
Forum: E46 M3 (2001-2006) Tue, Dec-12-2017, 04:20:22 PM
Replies: 10
Views: 366
Posted By nowanker
Re: Toe wear/camber wear or something else?

...common sense might indicate that when a tire is leaned over at a 3.5* angle, the more heavily loaded edge might show more wear...

I used -3.5 as a starting point on my race car and adjusted...
Forum: E46 M3 (2001-2006) Tue, Dec-05-2017, 01:55:52 PM
Replies: 5
Views: 567
Posted By nowanker
Re: Can't get wheels off

To me, sounds more like the lug nuts might be off-size to match the Enkei wheels. Measure/inspect the ones you took off. Find the tightest fitting socket you can, maybe even one you need to hammer...
Forum: E46 M3 (2001-2006) Sun, Dec-03-2017, 02:57:02 AM
Replies: 18
Views: 608
Posted By nowanker
Re: Factory cam timing off?

Go with what you know to be right on the timing.
Sounds like this is NOT your first roundup!
Forum: E46 M3 (2001-2006) Sat, Dec-02-2017, 02:49:16 PM
Replies: 18
Views: 608
Posted By nowanker
Re: Factory cam timing off?

Trust your eyes, especially when working on someone else's crashed car.
God only knows how it suffered...
Forum: E46 M3 (2001-2006) Wed, Nov-29-2017, 01:57:41 PM
Replies: 21
Views: 846
Posted By nowanker
Re: Anyone using Sumitomo HTR Z III ?

Awesome info, thanks!
Add another plus for the Sumi's... they have a nice smooth ride. Quiet tread, too.
Forum: E46 M3 (2001-2006) Tue, Nov-28-2017, 05:48:15 PM
Replies: 21
Views: 846
Posted By nowanker
Re: Anyone using Sumitomo HTR Z III ?

Firehawk Indys get amazing reviews and are great price!
Haven't personally tried a set. They were a close 2nd for the 330, but thinking about the car's use, I cheaped out for the HTRZIIIs....
Forum: E46 M3 (2001-2006) Tue, Nov-28-2017, 03:36:05 PM
Replies: 21
Views: 846
Posted By nowanker
Re: Anyone using Sumitomo HTR Z III ?

Cost no object: Super Sports without a doubt.
Best performance/Lowest cost: Conti DW if weighted toward performance, HTRZIII if weighted more toward cost.
In my opinion...
I've owned and driven...
Forum: E46 M3 (2001-2006) Tue, Nov-28-2017, 12:02:26 AM
Replies: 21
Views: 846
Posted By nowanker
Re: Anyone using Sumitomo HTR Z III ?

I run them on both my wife's and my 330s.
They're round, they're black, they hold air. They're quiet, smooth, and actually grip pretty well.
They seem to last well, and damn, they're cheap!
HTR Z...
Forum: E46 M3 (2001-2006) Thu, Nov-23-2017, 08:28:20 PM
Replies: 3
Views: 204
Posted By nowanker
Re: Rear camber question and rear tires

^^ Check the lower control arms first. Made of cheese... when they're bent it's usually pretty easy to see.
If they aren't bent, and that truly is the most negative camber you can get out of the...
Forum: E46 M3 (2001-2006) Sun, Nov-19-2017, 05:03:08 PM
Replies: 7
Views: 550
Posted By nowanker
Re: Sourcing parts from wrecks/junkyards

Around here (SF Bay Area), Craigslist is king. Local independent operators seem to scarf up the M cars and part them at home.
Sacramento area has some yards... one in particular that advertises...
Forum: E46 M3 (2001-2006) Thu, Nov-16-2017, 05:13:22 PM
Replies: 31
Views: 1,353
Posted By nowanker
Re: RACP/Subframe reinforcement (via mobile welder?)

Some stuff is pretty easy and F-up proof, but I figured with the thin sheet metal and critical nature that it'd be better for a pro. Subtleties like controlling the amount of heat going into the...
Forum: E46 M3 (2001-2006) Thu, Nov-16-2017, 01:49:57 PM
Replies: 31
Views: 1,353
Posted By nowanker
Re: RACP/Subframe reinforcement (via mobile welder?)

Back to the topic of welding...
I hired a pro (aircraft certified, and vastly experienced) to come in and do the cars coming through the shop. I did all the prep, including stop-drilling all the...
Forum: E46 M3 (2001-2006) Fri, Nov-03-2017, 05:10:38 PM
Replies: 6
Views: 400
Posted By nowanker
Re: Track only: Power steering removal?

Gutted 944T race car... ~2500lb race weight, 275 Hoosiers. Removed P/S pump, 'jumpered' the low press and high press hoses together at the rack to stop the internal pressure buildup. Steering is...
Forum: E46 M3 (2001-2006) Thu, Oct-26-2017, 04:08:27 PM
Replies: 19
Views: 1,008
Posted By nowanker
Re: Understanding RealOEM (ETK) hardware (nuts/bolts) specifications

Got no idea what the second number means.
But I'll bet my left nut (pun intended) that it isn't a reflection of the strength category.
The very thought of using an imperial rating on a metric...
Forum: E46 M3 (2001-2006) Fri, Oct-20-2017, 03:45:52 PM
Replies: 16
Views: 3,460
Posted By nowanker
Re: Something exploded in the clutch assembly, not sure what

Bad deal.
Interesting opportunity to test our armchair diagnostic abilities! But it all has to come apart again anyway...
Let us know what you find!
Forum: E46 M3 (2001-2006) Thu, Oct-19-2017, 02:46:31 PM
Replies: 16
Views: 1,502
Posted By nowanker
Re: Never seen tire wear this bad

If it's excess toe in, it would be the outer edges of the tire that suffer.
If it has slop in the steering, or toe out, the result would be wear on the inside edges.
After doing >1000 alignments,...
Forum: E46 M3 (2001-2006) Wed, Oct-18-2017, 01:09:12 AM
Replies: 16
Views: 1,502
Posted By nowanker
Re: Never seen tire wear this bad

^^
I'll second that...
Not bad camber for track use with street tires, but def too much negative for street use.
...to be followed any minute now by a bunch of posts saying "that's how much I run,...
Forum: E46 M3 (2001-2006) Fri, Oct-13-2017, 11:19:25 PM
Replies: 14
Views: 1,153
Posted By nowanker
Re: Square setup/alignment issues...help!

Can't imagine the spacers making a difference in ride comfort, but never did a comparison.
Again, a lot of people running square setups....
Forum: E46 M3 (2001-2006) Wed, Oct-11-2017, 02:28:22 AM
Replies: 14
Views: 1,153
Posted By nowanker
Re: Square setup/alignment issues...help!

:hattip:

Yes, well spoken.
If the car is lowered, you probably won't get very close to spec camber in the front, but unless something is bent, they should be more or less even. They are the same...
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