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  #20  
Old 12-28-2012, 01:43 AM
duanalto duanalto is offline
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Location: Virginia Beach, VA
 
Join Date: Dec 2012
Posts: 36
Mein Auto: 2007 BMW 550i, 6spd MT
Ensure gas cap is always tight when refueling; I've had this happen with other cars, though not my 550. Also, I agree, go to autozone or Adavnace auto..they'll probably let you use it for free if you give them your ID. Its easy to use! I don't think BMW recommends changing sparkplugs till 100k, unless if you find a code that says otherwise.
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