Thread: 335is exhaust questiond
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      10-16-2018, 07:55 PM   #37
TheMidnightNarwhal
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Drives: 11' 335is DCT
Join Date: Jun 2015
Location: Gatineau, Quebec

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Quote:
Originally Posted by mweisdorfer View Post
Coils & plugs lifetime is cut in 1/2 with a tune. So, figure 50,000 miles on coils & 22,000 miles on plugs. You should also be using the NGK plugs
Which NGK plugs?

I have read OEM bosh plugs are fine to?
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