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04-11-2006 05:44 PM #1
E39 Tire Wear, alignment and tramlining
My '03 540 sport with 18" m parallelís ÖIím running Bridgestone S03's 245í on the front and 275ís in the rear. Basically the same set up as most of you with your m5's. My front tires are getting horrible tire wear. My bet is that Iíll do best to get 10K miles on them. When the tires were new at about 2500 miles I noticed feathering on the front outside area so, I have the dealer do a four wheel alignment. The rears are just beyond half worn but the fronts are about to the wear bars at 8K miles. I had the same tire and wheel set up on my e34 M5 and got 35K plus miles on the fronts- same driving habits and mostly freeway driving. I know the V8 is a bit nose heavy but this kind of tire wear is breaking my pocketbook. Also, this car seems to tramline and dart steer over any road irregulars Ė a bit nerving at times.
What kind of tire were are others getting??? Are you running factory alignment specs or is there something I can tweek for better tire wear?
04-12-2006 09:24 AM #2
suggest another alignment, maybe a dffferent shop
and a thorough inspection of front suspension components. Assuming proper inflation, something is wrong -- your rear tire wear sounds about right (I seem to get only about 10k out of PS2 rears), but the fronts, in my experience, should last about twice as long as the rears. I believe the alignment procedure on the 540 calls for placing weight inside the car to replicate a passenger load (in contrast, Dinan suspension alignments are done with no weight and full tank of gas). Bring it to a specialty shop that knows its stuff or make sure the dealer sweats the details and does it right.'01 M5
04-12-2006 06:06 PM #3
Re: suggest another alignment, maybe a dffferent shop
Ed, Thank's for your response. The car only has 35K miles- bought it with 27K on the clock so, I doubt that we have suspension component issues. I would hope not. So much for the extensive bmw CPO reconditioning program- i had to pay for an alignment. The excessive tramlining may be an indication of wrong toe settings- I believe toe is all that can be adjusted. I need to drive another v8 e39 and compare. DH
04-18-2006 04:15 PM #4
Toe is probably out or you have something bent...
As you know, camber is not adjustable on this suspension. Incorrect tow could explain all your issues, though.
02 LeMansBlue/Silverstone M5
98 EstorilBlue/Grey M3
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