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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, Jul-04-2016, 01:08:12 AM   #1191
rwfisher
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Default Re: e46 M3 Maintenance Thread

Wondering if a preemptive caliper rebuild at around ~100K miles might be a good idea. Just did my fronts at ~155K miles (driver's side front was sticking), and while they weren't that bad, a rebuild earlier would have saved me a set of pistons. The pistons were rusted on one side and only along the boot groove + a few mm.
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Old Mon, Jul-04-2016, 11:36:21 AM   #1192
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Default Re: e46 M3 Maintenance Thread

Quote:
Originally Posted by rwfisher View Post
Wondering if a preemptive caliper rebuild at around ~100K miles might be a good idea. Just did my fronts at ~155K miles (driver's side front was sticking), and while they weren't that bad, a rebuild earlier would have saved me a set of pistons. The pistons were rusted on one side and only along the boot groove + a few mm.
I didn't put them on the list at an interval because there's too many variables in how they wear-- heat, salt, driving style, chance, etc
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Old Mon, Jul-04-2016, 04:06:14 PM   #1193
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Default Re: e46 M3 Maintenance Thread

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Originally Posted by bdowless View Post
Hey guys I'd love to run the arc 8 wheels
I really would like to run a wide set up I'm thinking 255 up front with some camber and 275 in the rear if possible 285


Here's my concerns with camber how long will tires last

Will there be any problems with the differential with wider rear tires
If so what needs to be done to fix it

I would consider a 265 square set up but that sounds super wide for the front and I think camber would kill the tires
Let me know what you guys think some pictures would be awesome
I'll chime in here, but you are going to get multiple opinions on this.

The APEX ARC 8's are a fantastic wheel: beautiful, strong, light and reasonably priced. I have two "square set ups", both 18 X9.5, -35 offset. I use one set with 275/35 Nitto NT-01's for the track and the other for daily street and wet weather track with 265/35 Bridgestone RE-71R's.

Check out this page at one of the other forums posted by APEX to help you decide. Almost every possible fitment is listed with the specifics of offset, camber, etc and each one illustrated with photos of customers' cars:

http://www.bimmerforums.com/forum/sh...+Fitment+Guide

You can check out my car's look in my sig below in the steep downhill at Tremblant turns 2-3-4.

The answer to your questions is complicated, but basically it depends on what you are going to use your set up for. You can find endless discussions of this topic on this site and others.

There are two reasons to do this with completely different goals: esthetics and function. For whatever reason you do it there are going to be compromises in tire wear. The wider you go the more negative camber you will need just for fitment. If you end up having to dial in a lot of camber and are only driving on the street, you will wear the inside of your tread much faster than the outside. At the track it is a different story because up to a point more negative camber keeps your tread contact patch flatter in the corners improving grip and treadwear. Personally I did it for function and the great look was a bonus. Pretty much everyone who drives at the track runs a square set up because it reduces understeer and allows you to rotate the tires in all four corners to maximize treadwear. Does a square set up look better? I think so. A major reason BMW engineers their cars with a staggered wheel set up is for safety. It promotes understeer which is much easier to correct than oversteer and since the E46 M3 is "tail happy" to begin with that's a good thing. If you plan to track the car and know how to manage understeer and oversteer though a square set up is the way to go.

I have never heard any concerns about wider wheels and tires causing premature differential failure. Unfortunately though the viscous coupling limited slip diff in the E46 M3 does eventually wear out, and straining it with drifting and autocross may do that quicker. When it does wear out there is a good argument for replacing its guts with a mechanical diff like a Quaife or OS Giken since they will never wear out.

The advantage of staying in the 9.5" width and 265 tire range is not having to modify your fenders. With my 275's I'm probably a millimeter or two from rubbing on either side and with 285's I'd have to roll or pull my rear fenders and maybe my fronts too. You can usually play around with camber and spacers to run the 265 size without rolling or pulling fenders. I'm on Bilstein PSS10 coilovers lowered about an inch and run -3.0 camber in the front and -2.8 in the rear to improve corner grip on the track (with front camber plates and rear camber arms). If you never plan to track the car, you will probably be able to get away with a much less severe camber setting and consequently less uneven street treadwear. I am running stock calipers with no clearance concerns. I use no spacer in the front. With the 265's I run a 12.5mm spacer in the rear to get the perfect stance, but with the 275's I have to run a 5mm spacer to prevent rubbing (with no spacer I rub inside and with the 12.5 I rub outside). I've never had a rub problem with the 265's even with less severe camber.

Good luck in your decision.
No matter what you decide about size you will love the ARC 8's. In my opinion they are the best looking and functioning aftermarket wheels on the market for the E46 M3!

I don't know if Turner will do it this year since they were sold to ECS, but for the last three years they have run a huge Black Friday discount on these wheels.
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Last edited by pwsull; Sat, Dec-31-2016 at 02:36:07 PM.
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Old Tue, Jan-24-2017, 07:27:53 AM   #1194
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Default Re: e46 M3 Maintenance Thread

FYI - the link to Rogue Engineering's silicon coolant piping under "Part 3 > Coolant Piping" is returning a 404.

I believe that this is the new correct link: http://www.rogueengineering.com/Rogu...E9X_p_131.html

Thanks so much for the awesome resource that is this thread!
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Old Sat, Feb-04-2017, 06:21:32 AM   #1195
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Default Re: e46 M3 Maintenance Thread

Nevermind
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Last edited by girolamo; Sat, Feb-04-2017 at 06:23:25 AM. Reason: Accidental post
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Old Fri, Feb-17-2017, 12:50:32 AM   #1196
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Default Re: e46 M3 Maintenance Thread

Noob oil change question. First time doing oil change on my M3. Do you guys use a new drain plug for every change? I am looking at ECS Tuning oil service kits and most of them include a new drain plug. I was going to build my own kit and wasn't sure if I needed to add the drain plug.

Also, do you guys recommend the old Castrol or new M TwinPower Turbo 10w-60?

Thanks!
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Last edited by PiL; Fri, Feb-17-2017 at 01:12:46 AM.
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Old Fri, Feb-17-2017, 02:28:37 AM   #1197
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Default Re: e46 M3 Maintenance Thread

Quote:
Originally Posted by PiL View Post
Noob oil change question. First time doing oil change on my M3. Do you guys use a new drain plug for every change? I am looking at ECS Tuning oil service kits and most of them include a new drain plug. I was going to build my own kit and wasn't sure if I needed to add the drain plug.

Also, do you guys recommend the old Castrol or new M TwinPower Turbo 10w-60?

Thanks!
I always replace mine, it's cheap insurance. The OE plug is very soft and can wear after a while and can certainly be stripped if over torqued. I like to use ECS' magnetic plug to pick up any metal that might be floating around.
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Old Fri, Feb-17-2017, 03:03:17 AM   #1198
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Default Re: e46 M3 Maintenance Thread

Quote:
Originally Posted by rockflageagle View Post
I always replace mine, it's cheap insurance. The OE plug is very soft and can wear after a while and can certainly be stripped if over torqued. I like to use ECS' magnetic plug to pick up any metal that might be floating around.
Thanks!
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Old Fri, Feb-17-2017, 04:05:38 AM   #1199
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Default Re: e46 M3 Maintenance Thread

New OE plug with each Castrol oil change.
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Old Fri, Feb-17-2017, 10:21:44 AM   #1200
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Default Re: e46 M3 Maintenance Thread

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Originally Posted by WyattH View Post
New OE plug with each Castrol oil change.
Thanks! I did add a new plug to my kit.
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Discussing e46 M3 Maintenance Thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)