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Old 02-04-2013, 04:45 PM
sunny5280 sunny5280 is offline
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Location: Denver, CO
Join Date: Feb 2010
Posts: 5,065
Mein Auto: 2011 X5-M
Originally Posted by Toopricey01 View Post
I have a 2005 x5 I have taken it to the BMW dealer and they still can't not fix. Check engine lights flas and at times it will not go over 5 mph, but if the codes are reset it will be fine for a day or two. Codes are reading misfire on 5 and 7 also multiple misfires and running to rich, can someone please help me out with this please. Have replaced plugs and coils and they supposedly did a smoke test and still nothing... thank you
Possibly the oil separator hoses? See this thread for details:

They're easy to check and an inexpensive fix if they're the problem.
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