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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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Old 04-09-2013, 08:07 PM
c33jay c33jay is offline
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Location: Gulf of Mexico
 
Join Date: Apr 2013
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Mein Auto: 2007 335i + 2013 X3 2.8
Question Going Nuts! Ignition Coils

I have an '07 335i and had no ignition coil problems until about 70K miles. Now I am at 103K and I have replaced all coils and plugs at least once, coil 1 replaced twice and now coil 2 replaced a third time. Coil 2 lasted about 1000 miles since last replacement.

Any idea why this is happening so often? Especially coil 2?

Thanks, this is a great forum!

JC
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Old 04-09-2013, 08:11 PM
SuperTerp SuperTerp is offline
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Location: DMV (DC, MD, VA)
 
Join Date: Dec 2010
Posts: 3,180
Mein Auto: m4now M5M3 550 760 335RIP
Check the wires on the top brother they could be the culprit and causing the CPs to die or be perceived to be dying. Thankfully its a job even I would feel comfortable tackling after my indy showed me how (not the wires but just replacing the CP's)

Last edited by SuperTerp; 04-09-2013 at 08:13 PM.
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