E92 Tire Life

[Steven93]

I'm considering purchasing a 2011 328i M-sport with manual transmission. I just had it inspected today and the only problem that came back was the rear tires being close to needing replacement at 2.5mm. I wanted to see what could be expected for tire life on this car. It currently uses Bridgestone Potenza RE050A RFTs, which I would likely stick with. (255/35-18 rear+225/40-18 front)

Does the car use a tire pressure monitoring system that would need replacement also?

How far down can tread depth go on these before replacement is 100% necessary?

Let me know how long tires last for you guys and maybe any other useful tidbits on the subject.

[Saii]

Pressure monitoring system is on the other side of the valve stem and bolted to the rim so no you don't have to replace them with tires.

I got away from run flat tires mainly because you will get almost twice the milage out of non run flats. Here's a perfect example. Perelly p7 run flats have a 40k warrantee where the normal p7s are 80k tires.

All I did was bought an electric pump and a tire plug kit if needed to get me to a tire repair

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[NY Scotsman]

I have only gotten 25-30k miles out of my tires (run flats). On 4th set. In retrospect I would have switched to non-run flats a while ago.

[trohde78]

If think the RE050's have a treadwear rating of like 140, which is very low, even for a performance tire. They will probably only last 10-12K on average. If you were to switch to the Michelin Pilot Sport RFT (or similar) you would likely double the lifespan.

[cheech1]

OP, have you seen the difference in price between run flats & non runflats?

[trohde78]

OP, have you seen the difference in price between run flats & non runflats?

+1

[Boland01]

I'm looking at 10-12K miles on the rear tires of our 335i sport with staggered 18"s. Tires are wearing equally all the way across on both tires. in 6.5K miles of driving they are a 5/32". new they were 10/32". Conti DWS06 tires. The fronts on the other hand still have 9/32" tread on them.

[cochise325]

If you do switch to non-runflat tires, choose a tire that has a very stiff sidewall. A tire with a soft sidewall will wear very quickly due to the amount of camber BMW has designed into the rear suspension. A stiff sidewall non-runflat tire will more closely approximate the stiff sidewalls that are inherent in the run flat OEM tires.

[Herb]

A better alignment would be the best way to improve tire life, regardless of RFT/Non-RFT. The problem is that BMW specs too much TOE in. When you get new rear tires, have an alignment done with 0.01 or 0.0 TOTAL toe in, and then run whatever Negative camber setting you are comfortable with. I ran 0.0 TOE in with -2.5° camber in the rear and 0.0 TOE in with -3.2° camber in the front with even tire wear for x2 the milage from factory alignment specs on the same tire (Hankook RS3) with autocross and track time added the second time around.

Mr. Super Awesome

[E90Ed]

When shopping for tires, how does one determine if the sidewalks are stiff? Any recommendations for non-runflats?

[Das Omen]

I use yokohama advan a/s tires on the e90 and have zero complaints. Especially when compared to the stock tires/runflats. Can't really say what their tire life is since they only have about 1k miles. But still run as great as new.

[cochise325]

When shopping for tires, how does one determine if the sidewalks are stiff? Any recommendations for non-runflats?

Any tire that is listed as "low rolling resistance" will have softer sidewalls. So avoid these tires altogether. Most performance based summer tires will have stiff sidewalls. Living where you do, I would think you would want dedicated summer tires, and a second set of wheels with winter tires on them. You do not need to run the staggered setup in the winter, and you can go with a narrower tire to help with ice and snow traction.

A lot of all season tires have soft sidewalls. So I would avoid the category.

www.tirerack.com (http://www.tirerack.com) is a very good source for tires and wheels. And they will answer your questions over the phone and help you get the right tires for your application.

[Reyhan335]

It all depends on how you drive man, my e93 runs through Tires. Just get some cheap tires man, ebay, a really good brand is achilles or something like that. Cant remember. Im at work so cant go outside and see.



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[Das Omen]

It all depends on how you drive man, my e93 runs through Tires. Just get some cheap tires man, ebay, a really good brand is achilles or something like that. Cant remember. Im at work so cant go outside and see.



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I agree with achilles, have those on the e46. Great "generic" tires. Especially for price.

[Reyhan335]

Yeah, i literally bought two rear tires for $100. And they'll last me for a while...

You're not tracking the car, you're just dallying it. Get cheap tires and you'll be fine.


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[Herb]

When shopping for tires, how does one determine if the sidewalks are stiff? Any recommendations for non-runflats?
By design, all sidewalks are VERY stiff.


But for real, what will be their main use?

Mr. Super Awesome

[Das Omen]

By design, all sidewalks are VERY stiff.


But for real, what will be their main use?

Mr. Super Awesome

I lol'd. I was debating on making a joke of that as well.

[E90Ed]

I lol'd. I was debating on making a joke of that as well.

The sidewalks for banging my head over the stinking auto correct. The sidewalls for daily driving, sometimes hard and in lots of rain.

[Raj1969]

[QUOTE="Das Omen;29477095"]I use yokohama run flats. About 95 per tire fornthe run flats. Coming from other cars, that's cheap IMHO.