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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sat, Mar-31-2018, 06:06:19 AM   #1
bip_m3
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Thumbs up Interesting tire question

I know this is probably a stupid question but I donít know everything.

I have H&R sport springs that lower the car by 1/2 inch if memory serves me correctly. I have stock setup with contours. I am running 225/45/17 and 235/45/17 rear. I am having a few issues. My inside of the front tires are wearing bad. My last alignment I received the guy at a tire shop said ď I got it the best we couldĒ.
This was an interesting answer. I than did a little research( not much) but found out that bmw puts weight in the cars when giving alignments and that there is not much adjustments. I further talked to a reliable alignment specialist and he told me he wonít even align bmws.

1st ? Am I running the right size tires?

2nd ? Does everyone get their alignments at bmw?

3rd ? I know there is a tire thread but it is outdated. Any new tire advise? I have proxies now and like the ride.
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Old Sat, Mar-31-2018, 07:18:02 AM   #2
westopher
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Default Re: Interesting tire question

1) Your rear tires are the wrong size. Are your wheels 7.5 squared like stock 95s or staggered.
If 7.5, stock is 235/40, if staggered 225/45 and 245/40. This should not affect tire wear.
2) I get my alignments at dedicated alignment/suspension shops.
3) michelin PSS or PS4 are the best dedicated summer tire for a daily or weekend cruiser.


Post up your alignment specs, and your suspension setup and we can give you better advice.
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Old Sat, Mar-31-2018, 05:25:14 PM   #3
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Default Re: Interesting tire question

4) Weighting is a fairly critical aspect of an alignment but only in your most common use configuration. BMW’s configuration is not mandatory. Meaning; if only you drive the car then fill up the fuel tank with your most common fill and sit in the car while they align it. Add weight for anything additional.
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Old Mon, Apr-02-2018, 05:56:14 AM   #4
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Default Re: Interesting tire question

BMW alignment specs are not good for tyre wear.

Maybe try to get close to zero toe at front. How much camber do you have at the front.

Check all suspension bushings as well.
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Old Mon, Apr-02-2018, 07:38:51 PM   #5
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Default Re: Interesting tire question

Can you post the actual alignment results?
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Old Wed, Apr-04-2018, 05:11:41 AM   #6
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Default Re: Interesting tire question

My Bad, I donít have the old one because it was three years ago. Iíve had the car at rest pretty much. 630 miles in the last 3 years. But now itís time to get her back to health.After doing some research I saw that the 95 has no camber adjustment. I bet all you knew that though. I donít know if I should go shims, or used 96+ Upper strut mount, or a Vorshlag. I donít do any autox or scca. But having the ability too is a plus.

Ideally
Fronts -2* camber on each side
.10 both toe in

Rears -2 as well on each side
And Iíve read .20 total in the rear.

Staggered set up.
I have bilstein with H And R sport springs. Nothing els on suspension.
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Old Wed, Apr-04-2018, 01:01:51 PM   #7
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Default Re: Interesting tire question

Generally uneven tyre wear is related to toe.

You would need to have a lot of negative camber before it starts to wear out the inner side.
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Old Wed, Apr-04-2018, 07:55:55 PM   #8
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Default Re: Interesting tire question

Is the wear consistent on the inside of the tires or inconsistent, like cupping or feathering?

How old are the Bilsteins? Are they damp?

When were the tie rods, front control arm bushings and ball joints last replaced?
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Old Wed, Apr-04-2018, 09:49:18 PM   #9
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Default Re: Interesting tire question

There is some feathering on both sides no cupping. I have the TMS sports package with bilstein b8 f4 ve3 a585 ho. With about 40k on them. They donít have any leaks and just minor surface rust. I am going to get the car up on a stand this weekend to check the tie rods. Donít know if they have ever been replaced. I am suspecting the tie rods just because the previous owner had 19ís on them. More weight more problems.
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Old Sat, Apr-07-2018, 05:41:10 PM   #10
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Default Re: Interesting tire question

Most shops will check your suspension before they even align it so they can sell you more on top of the alignment and also make sure you don’t come back when the alignment changes from loose parts. BMW stock settings have a lot of toe to provide stability and allow the wheel to want to self center. This is great except it eats through tires. I’ve always gone with 0 toe front and .1 TOTAL toe in on the rear. Then 2.5-3 negative camber. This makes it want to pull under certain freeway surfaces but doesn’t eat tires and steering turn in is improved.
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Discussing Interesting tire question in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)