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      08-15-2012, 09:52 AM   #1
Formula Fun Racing
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Question Ignition coil re-install problem

Hi all

I've just replaced the spark plugs on my N52 but I cannot get the ignition coil to snap back onto the new NGK ILZFR6D11 plug! The new plug is listed as a replacement plug and is the same size with the same connection type. I've even tried re-installing the old BMW Bosch plug and can't get it on that either!

Has anyone had any experience with this?
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      08-15-2012, 11:23 AM   #2
gtaccord
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Make sure the tip of the coil (part that connects to the spark plug) is not damaged (bent or broken).
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      08-15-2012, 02:18 PM   #3
Meeni
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I installed the same plugs 2 weeks ago and had no problems, this is a correct fitment.

There is a small metal tip that bolts on top of the plug. If they are missing, you they are stuck in the coil and is what prevents you from installing them properly.
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      08-16-2012, 11:36 AM   #4
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Hi all

When I used silicone on the coils, it was actually air locking and the coil would simply spring off the plug. So, I cleaned the coils/plugs and re-installed them. Also, two of the electrical plugs were not fully engaged.

I'm still surprised that none of them had a positive 'snap', but I'm glad the car is no longer misfiring!

Cheers,
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      12-13-2013, 07:23 PM   #5
conrad325i
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My new coil bav auto sent me wont plug up to the ignition harness...

i made thread at http://www.e90post.com/forums/showthread.php?t=924125
someone help
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      04-20-2014, 11:18 PM   #6
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I actually experienced this problem as well. I replaced the spark plugs from the oem Bosch to iridium ngks for my 325xi 2006 which was misfiring. Obd reader indicated P0305 and p0300 fault codes. I replaced all six spark plugs and I couldn't fit the new coil on the new ngk spark plugs. The coil just kept pushing it out. I'm still misfiring on thAt cylinder. Didn't see the tab or extra piece on the new coil (ending with product code 470). Should I retake it out again and tamper with it?
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