Thread: Spark plugs gap
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      06-16-2020, 12:55 PM   #6
340irckt8683
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Drives: Bmw 340i
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Quote:
Originally Posted by thejeremyman9 View Post
Quote:
Originally Posted by chowser51 View Post
Any recommendations for b48/b46 running bm3 stage 1?

I was just going to get oem spark plugs.
The general concensus and my recommendation is go for new OEM plugs at OEM gap, especially only for stage 1, then only go to colder plugs with smaller gap if you find that you have issues with OEM. The colder plugs and smaller gap can cause cold start and/or idle issues in some cases, so only use if necessary.
thanks