Thread: Which spark plugs
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      08-04-2019, 04:47 AM   #3
b21playa
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Drives: LCI e60 535d msport
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Originally Posted by Boosted M5 View Post
Depends on whether you're tuned or stock. I had stock plugs with a stage 1 and then switched to colder with stage 2
I’m stock as far as I know - brought the car used. Should I stick with oem at preset gap?
Last edited by b21playa; 08-04-2019 at 05:53 AM..
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