1993 Other BMW Models backfire and misfire

1993 BMW
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BEBILOKU
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Engine problem
1993 Other BMW Models 6 cyl Manual 240 miles
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I HAVE BMW 520I E34 1993 MY CAR HAVE BACKFIRE AND MISFIRE .I CHANGE FUEL FILTER SPARK PLUG PLSO I TEST THE SPARK PLUS ONE BY ONE IN ALL COIL .I CHANGE AIR FILTER SENSOR .,BUT THE PROBLEM IS SAME .
IF MY FUELPUMP HAVE PROBLEM CAN MAKE BACKFIRE TO EXHAUST?
PLS ANY SOLUTION FOR MY PROBLEM
Jan 22, 2008 at 1:24 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DOCHAGERTY
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check for fault codes and repost
Mar 11, 2008 at 1:51 AM
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BEBILOKU
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[quote:d24e093224="Dr. Hagerty"]check for fault codes and repost[/quote:d24e093224]

problem solvet after change all ignition coil
thnx
Mar 11, 2008 at 2:27 AM