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Atari Boy

Tyre Wear

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Atari Boy

Sorry, this a non 205 question.

 

My daily driver, a BMW 530d estate, is getting through rear tyres very quickly. They are wearing on the inside much more than the outers, I don't carry loads of stuff in the back and don't drift every corner. The tracking is now okay too.

 

My question is, I assume I need to look at the camber, am I correct and who would set it, not a tyre place, correct?

 

It's on runflats which I know wear quicker but at over £200 a corner and 15,000 is crazy.

 

Advice welcome

Edited by Atari Boy

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welshpug

15k doesnt sound that bad :unsure:

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feb

Have you tried swapping front to backs? Ideally this needs doing every 6k to even out the wear and they will last longer.

Yes, checking the wheel alignment/camber sounds like a good idea.

Edited by feb

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j_turnell

How wide are your tyres and do you do a lot of motorway miles? Regularly check tyres pressures, no play in the back end? BM's do run a fair amount of camber as standard on most models but it is generally adjustable wheather that be a slotted trailing arm or an eccentric bolt. The likely scenario is its a combination of tyre width, camber and doing a lot of motorway miles.

 

Personally i'd reccomend finding somewhere with a hunter hawk eye system, i use one of these most days at work and the quality and accuracy is second to none. I would happily set it up for you but Northampton aint exactly local to you!

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Atari Boy

Yes, I do a lot of motorway miles, it's an M Sport model too if that makes any difference. The tyres are 245 40 18's.

I had a four wheel alignment done a few weeks ago when I replaced a front type.

 

I am in Huntingdon quite often so going to Northampton is not too much of a ball ache and well worth if for someone I trust - thanks for the offer J_Turnell.

 

Thanks for the advice chaps, this forum is great for being able to ask daft questions without getting flamed, much apriciated.

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j_turnell

Just drop me a pm mate if you want any further info.

 

cheers, James

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TaffyTim

15k doesnt sound that bad :unsure:

 

I thought that was about right for an average tyre

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MiniGibbo

15k is good im lucky to see 4k out of my road tyres on mine.

 

If your carrying a lot of crap in the back then thatll give you more neg camber than normal and wear out the inners faster again..

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Tom Fenton

I don't carry loads of stuff in the back

 

 

If your carrying a lot of crap in the back then thatll give you more neg camber blah blah

 

 

Read the initial post.

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MiniGibbo

Its friday im tired leave me alone.. :lol:

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brumster

Mate had one of the rear tyres pop on him on his 3 series diesel (with M-sport pack I think), turned out his rear tyres had done exactly the same as yours - worn down to the canvas on the inside edge but the outer edges, on visual inspection, looked absolutely fine.

 

Dealer told him "they all do that sir" and fobbed him off with the usual "it's how it's meant to be" bollocks. Presumably some ridiculous negative camber they run on the back, maybe just on the M-pack option or something? Dunno.... anyway, it's not the first time I've heard this story, put it like that.

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MiniGibbo

Its the same with the mercs and every other rwd car, a heavy foot will wear them out in no time..

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Baz

5 series' do kill rear tyres, in fact, saying that alot of modern larger cars do it, particularly rear and four wheel drives.

 

I'd check the bushes in the rear-end before spending the money on geo-setup, as it might be those that are worn causing issue.

 

 

Personally i'd reccomend finding somewhere with a hunter hawk eye system, i use one of these most days at work and the quality and accuracy is second to none. I would happily set it up for you but Northampton aint exactly local to you!

 

Agreed, but as with any other laser alignment jobby it's only a good as the person using it!

Edited by Baz

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j_turnell

Agreed, but as with any other laser alignment jobby it's only a good as the person using it!

 

 

Very much so, the amount of cars we get in, 'Been to my local tyre place and they told me to come here' is ridiculous, most places either cant do it, or just tweek front toe and thats it, regardless of what the back end is doing!

 

Like you say its all about being able to interpret the information your getting, often get customers come in whether it be a road car or a full on race car with different symptoms of poor handling and its being able to work out the problem and come up with a solution. Thats the good thing about the place i work for, one minute i can be setting up a touring car, the next your grans daewoo, so you get to see a wide variety of setups and problems! Most places arent interested in a decent setup but rather getting you in and out the door asap. Some of the setups we do on race cars can take hours!

 

Back to the kit though, ours actually works off HD cameras which are highly accurate, more so than a laser, lasers are all well and good but for some of the cars we do that are very low, its just not practical as often the beams need to be able to see each other accross the front of the car which doesnt happen unless you start removing bumpers etc. Also the issue of accuracy, for competition cars it needs to be bob on, whether that be corner weighting or wheel alignment.

 

So yes, you need to know what your doing, but having the right kit certainly improves the liklihood of getting a decent setup, hence i reccomend finding someone with the hunter hawk eye system.

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