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Old 02-04-2010, 01:59 PM
lindted lindted is offline
Ted
Location: Illinois
 
Join Date: Feb 2010
Posts: 3
Mein Auto: 2008 535 xi
I have a 2008 535xi and experienced problems that sound quite similar. The problem ended up being a fuel injector which was replaced. I would get an engine malfunction reduced power icon which would go away eventually. Some times it would start hard and then run rather badly. Some times it would just run a little rough. The dealer was reluctant to replace the injector because of the cost and the fact it never showed a DME code that clearly implicated the injector. All it would show is that cylinder three was misfiring at some time. They replaced the spark plug a few times.
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