Hey guys,
I have a 1987 325i M20B25 with a turbo. my question is should I keep factory spark plug gap or would I need to run a wider or small one. I am new to turbo cars so just looking for some help. Thanks!
I have a 1987 325i M20B25 with a turbo. my question is should I keep factory spark plug gap or would I need to run a wider or small one. I am new to turbo cars so just looking for some help. Thanks!
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