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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 12-11-2012, 07:45 AM
hobbitt hobbitt is offline
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Location: surrey great britain
 
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Mein Auto: anything
missfire 4 5 6

does anyone have an idea why a 2008 E90 330 petrol only wets 4 5 6 spark plugs on cold start + low idle 500revs then clears after 2 minutes,but drives and revs through no problem ...help

Last edited by hobbitt; 12-11-2012 at 07:53 AM. Reason: spelling
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  #2  
Old 12-11-2012, 08:14 AM
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CALWATERBOY CALWATERBOY is offline
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Location: San Francisco
 
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Mein Auto: 2009 E93 N54
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Originally Posted by hobbitt View Post
does anyone have an idea why a 2008 E90 330 petrol only wets 4 5 6 spark plugs on cold start + low idle 500revs then clears after 2 minutes,but drives and revs through no problem ...help

You've removed plugs for inspection?
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Old 12-11-2012, 09:23 AM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
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Mein Auto: 2009 E93 N54
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Originally Posted by hobbitt View Post
does anyone have an idea why a 2008 E90 330 petrol only wets 4 5 6 spark plugs on cold start + low idle 500revs then clears after 2 minutes,but drives and revs through no problem ...help

Reading codes often yields a few hints....
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Old 12-12-2012, 02:58 AM
hobbitt hobbitt is offline
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Location: surrey great britain
 
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yes fitted new plugs and swapped coils around,removed plugs from cylinder 4 5 6 they were wet and dirtier than 1 2 & 3
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