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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 > RE090AS behavior



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      05-08-2013, 01:03 PM   #1
Mike F.
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Drives: '06 330i ZSP
Join Date: May 2013
Location: Sacramento, CA

Posts: 4
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RE090AS behavior

Car is an '06 330i w/sport option. Bought it a year ago with the RE050 RFTs on it. One of the rears developed a slow leak a couple of months ago and when I brought it in, it was pretty clear that both rears needed to be replaced. I didn't want to do all four, so non-RFTs were not an option. I figured I'd go ahead and put the RE090's on the back now and replace the fronts with the same when they go. As soon as I got the car back on the road, I noticed that the back end feels pretty squirrely in higher speed turns - off ramps and such. It almost feels like it's bobbing around a little back there. The DTC light has come on a couple of times in places where it never did in the past. I've tried upping the tire pressure to 45 in the back, which seemed to help a little but not much.

So is this the result of me being a cheapass and mixing the 090s on the back with the 050s in the front? Is this just the way the 090s handle? Or is something else going on?
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