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      07-02-2013, 09:06 AM   #22
Sleeper
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Drives: '23 BSM X5///MC
Join Date: Dec 2011
Location: North

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Yep, very common problem for the N63. BMW has had multiple part number revisions trying to sort out the problem, but no dice yet. On the 550i, 650i, 750i, and X5 50i, it's the same issue... this engine is plagued.

After having my 50i in the shop for 3 months with the injectors being replaced multiple times, the DME replaced, and the fuel pump replaced, I dumped the continually misfiring POS and got an X5M.
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