Quote:
Originally Posted by CajunBMW
For my X1 I follow the door suggestions for the installed run flats. I also have a 340 and I do a 36 lb square, which for the front adds 4 extra pounds. This was suggested by BMW to avoid the excessive wear that occurred on the first set of tires. Set 2 looks to have almost double the life span.
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I’ve been happy running 4 extra psi in the front on our X1, but I’ll be even happier if it also extends the lifespan of the tires given the FWD bias and weight distribution. I’ll be rotating the tires regularly and keeping track of tread depth.