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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > change tires on how many miles.



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      02-13-2012, 10:07 PM   #1
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change tires on how many miles.

hi,

i have 19300 miles on my car. i still have stock tires. when i was driving in rain today, during a u-turn, i felt a little drift. and back end was coming out just a bit .. and i was doing only 25-35 mph not fast.

so question i want to ask is , is this the correct time to replace tires ? / what is the normal time/ miles expected from tire ? / when did you change tires ?

harsh
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      02-13-2012, 10:18 PM   #2
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cant you look at the thread ?
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      02-13-2012, 10:25 PM   #3
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Quote:
Originally Posted by harshmehta View Post
hi,

i have 19300 miles on my car. i still have stock tires. when i was driving in rain today, during a u-turn, i felt a little drift. and back end was coming out just a bit .. and i was doing only 25-35 mph not fast.

so question i want to ask is , is this the correct time to replace tires ? / what is the normal time/ miles expected from tire ? / when did you change tires ?

harsh
Normal. Changed my run-flats around 20k, as I was experiencing similar symptoms. RFTs are expensive and wear very quickly
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      02-13-2012, 10:27 PM   #4
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just bought the car? I'm doing 23k on my 09 stock RFT's and the tread is fine. If it's a 335, it takes a little time getting used to throttling all that powwerrrrr! maybe the tread can be low if it was driven hard. Typical life is 25k miles.
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      02-13-2012, 11:47 PM   #5
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Quote:
Originally Posted by Kolyan2k View Post
cant you look at the thread ?
+1

Seriously, it can't be that hard to measure the tread on your tires.
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      02-14-2012, 12:07 AM   #6
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Quote:
Originally Posted by JS82 View Post
+1

Seriously, it can't be that hard to measure the tread on your tires.
is there a wasier way to find it out ? other than the measure thing itself ? atleaset for now till i get it.

Harsh
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      02-14-2012, 12:09 AM   #7
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19K miles on rear RFT's sounds like they are probably worn out.

I suggest you check the depth of the tread on the rears. 2/32nds (1/16") is supposed to be the minimum. I replace mine before then.
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      02-14-2012, 12:12 AM   #8
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Quote:
Originally Posted by harshmehta View Post
is there a wasier way to find it out ? other than the measure thing itself ? atleaset for now till i get it.

Harsh
not sure if you are trying to get one of us to come over and measure it for you or what.

anyway, here
http://www.tirerack.com/tires/tirete....jsp?techid=51



now get off the computer, find some coins, report back.
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      02-14-2012, 12:47 AM   #9
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Quote:
Originally Posted by mike3000fl View Post
not sure if you are trying to get one of us to come over and measure it for you or what.

anyway, here
http://www.tirerack.com/tires/tirete....jsp?techid=51



now get off the computer, find some coins, report back.
haha, no i do not know how to measure it.

anyway i have a pic with penny in the wheel and again i don know what to interpret from that. if you guys can help...
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      02-14-2012, 01:00 AM   #10
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25-35mph is pretty fast for a u-turn...
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      02-14-2012, 01:07 AM   #11
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Quote:
Originally Posted by harshmehta View Post

anyway i have a pic with penny in the wheel and again i don know what to interpret from that. if you guys can help...
click the link i put in that post. don't be scared, it won't bite.

it explains everything you will want to know about tread.

teasers....



find that change jar... read more here....
http://www.tirerack.com/tires/tirete....jsp?techid=51

also, look for the part about "wear bars" they are built into the tire to help you determine if the tread is worn and look like this....

see the horizontal line running left to right? thats a wear bar, when it is flush with the tread you need tires.
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      02-14-2012, 09:08 AM   #12
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Quote:
Originally Posted by VTECaddict View Post
25-35mph is pretty fast for a u-turn...
That's exactly what I was going to say lol. A u-turn over 3-5 MPH you are gonna lose traction! Plus on a wet road, even with brand new tires it's really easy to step the back end out.
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      02-14-2012, 09:40 AM   #13
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Quote:
Originally Posted by VTECaddict View Post
25-35mph is pretty fast for a u-turn...
Seriously... I'm guessing the OP totally overestimated how fast he took it.

By the way, is this your first RWD car? If so, when it's wet you do have to drive a little bit slower on a turn like that.
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      02-14-2012, 11:03 AM   #14
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Based on your pic, you still have sufficient tread.
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      02-14-2012, 11:09 AM   #15
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my rears went for 20k on the stock tires. Fronts had tons of tread but I swapped all four because I was sick of the runflats.
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      02-14-2012, 11:39 AM   #16
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your tires are still good...

Quote:
Originally Posted by harshmehta View Post
haha, no i do not know how to measure it.

anyway i have a pic with penny in the wheel and again i don know what to interpret from that. if you guys can help...
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      02-14-2012, 11:50 AM   #17
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When your car stops giving you a safe and confidant feeling when driving in the rain.

I'd rather buy new tires earlier rather than later. I don't care that I have "some" tread left, I don't feel the need to squeeze every last drop out of a tire if my car is not handling well. I don't mind being wasteful when it comes to safety.
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      02-14-2012, 08:54 PM   #18
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Learn to drift: Only change tires when threads are visible.
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      02-14-2012, 08:59 PM   #19
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my personal best...
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      02-15-2012, 12:31 AM   #20
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To the OP -- make sure you have sufficient tread all the way across the tires. Our cars normally wear out tires on the edges first, it's possible for a tire to be all the way into the cords on one edge and not be down to the wear bars on the other.

Get down there and LOOK AT THE TREAD on all your tires.
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      02-15-2012, 12:31 AM   #21
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^ Now that's scary.. Your "Worst" sounds more appropriate!

I've done mountain runs on (F:Neova ~6/32 R: Potenzas ~3/32; Yes, rears had less tread ) and even though it gripped, I will never consider doing stuff like that with my tires looking like that.

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Originally Posted by mike3000fl View Post
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Quote:
Originally Posted by chromisdesigns View Post
To the OP -- make sure you have sufficient tread all the way across the tires. Our cars normally wear out tires on the edges first, it's possible for a tire to be all the way into the cords on one edge and not be down to the wear bars on the other.

Get down there and LOOK AT THE TREAD on all your tires.
Negative camber ftw
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      02-15-2012, 01:53 PM   #22
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Quote:
Originally Posted by chromisdesigns View Post
To the OP -- make sure you have sufficient tread all the way across the tires. Our cars normally wear out tires on the edges first, it's possible for a tire to be all the way into the cords on one edge and not be down to the wear bars on the other.

Get down there and LOOK AT THE TREAD on all your tires.
thanks.

i just looked at front left. i dont think it says anything. maybe i should check all ... specially rear tires.

Harsh
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