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      12-04-2012, 04:39 PM   #5
KCX_335xi
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Drives: 2018 M4 | 2013 e70 X5
Join Date: Apr 2011
Location: Oakville, ON

iTrader: (14)

It was a humming noise, and it kept getting worse at higher speeds....

Parts were bought at ECS Tuning, and for my XI model - it was about $180/side, part numbers :

31206751740
31206768993
31226783913
33411133785
33411133785

You need to add another 1.5 - 2 hours or so per side for labor.
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