Thread: Bm3 or jb4?
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      03-30-2019, 01:43 AM   #1
_2fast2furious_
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Drives: 2 series
Join Date: Mar 2019
Location: Los Angeles

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Bm3 or jb4?

Hi guys i have a 2018 230i (lci facelift), and i want to put more power into it. What is better, bm3 or jb4? Im leasing, so is this ok to use with a lease?

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