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      05-18-2009, 12:15 PM   #16
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Drives: 2008 335xi 6spd Coupe
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Quote:
Originally Posted by gdnyc View Post
I just had to replace an RFT due to a bubble. Damn FTM (not TPMS) is lit up in the instrument cluster. I have 16k on the other 3 tires. I'm going in for service in a few weeks and going to see what the dealer's take is on it.

I was hoping to get another 10k from all 4 tires and then switchover to get flats. I guess I will have to buy 4 regular tires and keep the rft as a spare (i have an extra wheel).
So what happened?

I had no problem with my winter swap - I just swapped the cut one, and no problems / driving difference what so ever.

Now I've got a bubble on one of my summer tires. Tires have about 7,500 miles on them, and lots of tread depth (I only run them for 7 months). I slipped a penny in there and I've got almost 6/32 of tread depth.

I'd ask my dealer, but they've only proven they don't know ANYTHING.

What's the consensus now? With 3-5000 miles, no brainer - just swap the tire. But at what point should I consider swapping 2 or 4?
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