Pencil Coils - Replaice?
08-02-2012, 01:35 PM
#11
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Join Date: Jun 2006
Location: Houston
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My Ride: 545i 2004, SMG, Sport, Nav, Logic-7, Bluetooth phone retrofit
From what I understand, they don't have a known lifetime in either miles or time. Failures seem to be a random event, and common practice is to replace just the bad one. I had my first coil problem at about 165k, and just replaced the bad one.
08-02-2012, 03:03 PM
#12
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Ya at 30 ea it isnt a killer to replace them all. And i have even seen an entire Bosch set on Ebay brand new for $190. So that is well worth it. I will keep them as spares in case another car comes in with a failed coil.
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