Quote:
Originally Posted by MteK
BMW ones done by BMW techs
Still, what's the lifespan of a BMW Coil?!
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You'll know when you get persistent misfires on a cylinder that doesn't move unless you move the coil. I have 61k miles on mine and just recently had to replace cylinder 1 coil as it was faulty and giving me persistent misfires. All spark plugs were replaced about 6k miles ago.