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Faults, Fixes and DIY Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix!


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Old Sun, Apr-15-2007, 12:43:56 AM   #21
fewslowcars
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Default Please do not gap Denso iridiums

Iridium spark plugs have a very small electrode and come pre gaped. If you tried to gap them most likely you will brake them.
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Old Thu, May-03-2007, 04:41:41 AM   #22
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Do you guys have a good method for pulling the coil off the spark plug? To me I seem to have a hard time getting them off and alway feel as if I am going to break something.. is there a tool that makes this easier??
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Old Thu, May-03-2007, 06:25:38 PM   #23
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Quote:
Originally Posted by lax01 View Post
I noticed some oil in the spark-plug canal of the cylinder closest to the oil-fill cap (probably from spilling oil while filling).

This is most likely because the grommets around the spark plug tubes are not sealing correctly, and need to be replaced. There are 6 rings that go around each spark plug tube that keep the oil out of the spark plug area.
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Old Thu, May-03-2007, 06:45:22 PM   #24
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I'll be sure to let the BMW Engineer who has my motor in Germany know

lol new motor = no care
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Old Mon, May-07-2007, 07:50:34 AM   #25
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damn, i have 78k on my engine! I wonder if they were replaced. time to go dig up the service receipts.
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Old Mon, May-07-2007, 08:19:29 AM   #26
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ahh yes. replaced at inspection II back at 49k miles
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Old Sun, May-13-2007, 02:51:24 AM   #27
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just looked it up after I did mine and BMW TIS says tightening torque for M12 plugs is 23Nm +-3Nm = 16.97ft/lb so 17 ft/lbs. give or take 2 ft/lbs either way
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Old Sat, Jun-02-2007, 05:11:09 AM   #28
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Great write-up! Easy job, but nice to clearly see how easy it is!
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Old Tue, Jul-31-2007, 08:31:04 PM   #29
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As was asked earlier, does anyone have a good method of taking off the coil? I can't seem to get it off and I don't want to yank it off with force and end up breaking something.
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Old Wed, Aug-01-2007, 01:09:39 AM   #30
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Quote:
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As was asked earlier, does anyone have a good method of taking off the coil? I can't seem to get it off and I don't want to yank it off with force and end up breaking something.


you see the part that is slightly flipped up? Flip it up all the way until its straight up and down with the rest of the coil and pull...you won't break anything...they are in there nice and tight...
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Discussing DIY: E46 M3 Spark-Plugs with Pictures in the Faults, Fixes and DIY Forum - Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)