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I have had a mysterious misfire problem with my 2000 M5 for the past couple of months. (See http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/171764-misfires-bank-2-a.html for details if you are interested.) I have used Black Forest Werkshop for the past 12 years on my M5's, but they couldn't find the problem (after they introduced it), and the local BMW dealer had the car for 10 days before saying they would need to pull the head (at a cost of $4300) to continue the search.
I have a great deal of data on what the problem is NOT, but I would appreciate recommendations for a shop to continue the search. It wouldn't have to specialize in M5's or even BMW's as long as they have the test experience and troubleshooting skills.
Thanks,
Wayne
I have a great deal of data on what the problem is NOT, but I would appreciate recommendations for a shop to continue the search. It wouldn't have to specialize in M5's or even BMW's as long as they have the test experience and troubleshooting skills.
Thanks,
Wayne