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post #10036 of 14456
Quote:
Originally Posted by SkinnyGoomba View Post

Does the car pull when you are cruising? how about when accelerating?

The car doesn't pull when cruising, but when accelerating aggressively, it's always the right rear tire, 100% of the time, that loses traction.

Quote:
Originally Posted by JayJay View Post

Dropped my car off for routine service this morning. Checked out fine except for needing two new rear tires. A major road trip starts Wednesday, so I had no choice but to replace them.
This is why I need new rears. peepwall[1].gif

icon_gu_b_slayer[1].gif

I may be following suit.. depending on how my tire situation plays out.

Quote:
Originally Posted by Rumpelstiltskin View Post


Correct me if I am wrong but I always thought that an alignment won't really help with wheel camber.

I may be mistaken as well, but I'm pretty sure that camber adjustments also take place during an alignment procedure.

--

Anyway, snapped some pics of my tires. As you can see, there is significantly less tread on the right rear tire:

Left


Right
post #10037 of 14456
Quote:
Originally Posted by GreenFrog View Post

The car doesn't pull when cruising, but when accelerating aggressively, it's always the right rear tire, 100% of the time, that loses traction.
icon_gu_b_slayer[1].gif

My initial thought is same as skinnyg's - could be a differential (I prefer muscle car positraction terminology) issue. Given BMW's quite reasonable parts/labor pricing, I'm sure that fix would be relatively inexpensive - no more than $5k.

fight[1].gif
post #10038 of 14456

i had some bad tire wear problems last summer, was on the road 4 hrs/day. they had milled the thruway for 20-30 miles at a time and then come back to pave a few miles a day then mill another long stretch. fucking awful. 

post #10039 of 14456
Quote:
Originally Posted by GreenFrog View Post

Anyway, snapped some pics of my tires. As you can see, there is significantly less tread on the right rear tire:

You can't tell anything from those photos. You need to get a gauge and measure the tread depth, e.g., left is 5/64" and right is 3/64" or whatever. It's not likely that it's your differential which is lucky for you since that would be a $$$ repair.
post #10040 of 14456
Quote:
Originally Posted by dah328 View Post

You can't tell anything from those photos. You need to get a gauge and measure the tread depth, e.g., left is 5/64" and right is 3/64" or whatever. It's not likely that it's your differential which is lucky for you since that would be a $$$ repair.

Hmm.. but how would knowing the exact tread depth difference be helpful? Not trying to be snarky or anything, but just wanted to show that picture to show visually how the tread wear is different between the two tires, with roughly uniform wear across the tires (i.e., no camber issues).

My car is under CPO warranty so I think the differential would be covered were it to need repairs / replacement -- hopefully the diff. is fine, though!

Really perplexed as to what could be causing this uneven wear.. ugh!
post #10041 of 14456
I agree with dah328. The differences are small enough that it's hard to tell from the pic if there's anything wrong, especially with the tires at such low tread depth. I'd put a new pair of tires on it and watch how they wear. Here's an alternate explanation: you mention that the right rear kept slipping when you got on the gas hard, which means it's pretty easy to slip the tires.

The tires could have been wearing evenly until recently, and then due to road conditions or loading on the suspension, the right one might have slipped a bit more. This caused more wear on that tire, and the tire became easier to slip, which caused it to wear more, etc. in a positive feedback loop.
post #10042 of 14456
Probably just getting on it too often. Worth a mention to the BMW mechanics, as they're likely to see what's 'normal' for wear on cars that get driven aggressively. They would have a good sense of what is out of the ordinary.

My experience is from racing, where repetition allowed for you to know quickly when something was out of order (if you did not spot it ahead of time).
post #10043 of 14456
saw brand new vanquish at this restaurant we smoke cigars at, had to do a double take as i was like wtf aston is that and saw the nasty side crease...center console tunnel is horrid but nice car otherwise

didn't even realize these things were out
post #10044 of 14456
Quote:
Originally Posted by A Y View Post

I agree with dah328. The differences are small enough that it's hard to tell from the pic if there's anything wrong, especially with the tires at such low tread depth. I'd put a new pair of tires on it and watch how they wear. Here's an alternate explanation: you mention that the right rear kept slipping when you got on the gas hard, which means it's pretty easy to slip the tires.

The tires could have been wearing evenly until recently, and then due to road conditions or loading on the suspension, the right one might have slipped a bit more. This caused more wear on that tire, and the tire became easier to slip, which caused it to wear more, etc. in a positive feedback loop.


I kind of agree, there is very little difference judging by the photos, maybe irl its more pronounced. The way it was described one tire is bald and the other is brand new.

Per sgoomba's post, good catch, it could be the diff, but unlikely, check the BMW forums and see if its a common problem. I'm back where I started, I think you have an element of the suspension that's off, if in fact anything is wrong. Those photos don't give me the feeling that there is definitely something wrong. In general, I think you should take this question to a BMW forum. Not trying to be a dick considering my recent postings, I'm serious, i use an Audi forum and get tons of detailed information that I would never get here.

Not sure who said it but I kind of disagree on rears wearing faster, the fronts take the turning and braking load. I have not had a true rwd car for a long long time but it seems illogical unless you're spinning wheels a lot. I base this on nothing.
post #10045 of 14456
Yeah, just ask Bimmerforums.
post #10046 of 14456
Passed by this while walking to my apartment for lunch:



Want.
post #10047 of 14456
Quote:
Originally Posted by whiteslashasian View Post

Passed by this while walking to my apartment for lunch:



Want.

If you ever get one, be sure it doesn't require the metric tires. PITA. Otherwise, it is one of the most gorgeous cars ever made, though a little under-horsepowered by today's standards.
post #10048 of 14456
Quote:
Originally Posted by idfnl View Post

I kind of agree, there is very little difference judging by the photos, maybe irl its more pronounced. The way it was described one tire is bald and the other is brand new.

Per sgoomba's post, good catch, it could be the diff, but unlikely, check the BMW forums and see if its a common problem. I'm back where I started, I think you have an element of the suspension that's off, if in fact anything is wrong. Those photos don't give me the feeling that there is definitely something wrong. In general, I think you should take this question to a BMW forum. Not trying to be a dick considering my recent postings, I'm serious, i use an Audi forum and get tons of detailed information that I would never get here.

Not sure who said it but I kind of disagree on rears wearing faster, the fronts take the turning and braking load. I have not had a true rwd car for a long long time but it seems illogical unless you're spinning wheels a lot. I base this on nothing.

You'll go through two rears to one front.
BMW mantra.

You're in an E60 M5 aren't you? My old E60 (545i) was the absolute hardest car on tires I've ever owned.

What are you running for rubber?
post #10049 of 14456
Quote:
Originally Posted by xpress View Post

You'll go through two rears to one front.
BMW mantra.

You're in an E60 M5 aren't you? My old E60 (545i) was the absolute hardest car on tires I've ever owned.

What are you running for rubber?

Yes, the V10 and my lead foot don't bode well for the longevity of my rubbers.

Car currently has PS2s and the rears especially are approaching replacement territory.

I'm looking to get into PSSs, so I'd have to replace all four, but the fronts still have quite a bit of tread left.

ffffuuuu.gif
post #10050 of 14456
A group of us drove the Cabot Trail (Cape Breton) this past weekend.

A guy had a 335is, and just made the move from PS2's to PSS, and is blown away.

Not to mention, they're a much better price!

I'd throw a STRONG recommendation at Bridgestone RE-11(s).
Best tire I've ever had

Oh, and get a Tubi exhaust. Now!
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