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      11-02-2012, 08:28 AM   #9
SE3P_to_E90
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Drives: E90 Msport + E83 Msport
Join Date: Jun 2006
Location: MD

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Quote:
Originally Posted by kq328xi View Post
I bought my wife a 2005 2.5i X3 last year with 75k miles on it. It is a blast to drive. I second the comment on the air intake boot on the M54 engine. I changed the intake boot after a CEL was thrown. It was a pain to remove all the hoses, but it was pretty easy to do. You may also hear a 'whoosh' while accelerating which could intake a small intake boot tear.

On the staggered set-up: I have a e92 328xi with staggered wheels. The key is to keep the rolling diameter similar between front and rear. My 18"'s are 225/40 F and 255/35 R for a rolling diameter difference of ~0.2%. The tire diameter calculator on the e90post Wheels & Tire section is a good place to do the math automatically. Conventional wisdom is to keep difference less than 1%.
Thanks for the huge heads up! Going to look at (a very promising) x3 today. will post pictures later