Just downpipes doesn't cause a check engine light ? My m4 did so i got a tune.
Can't wait till i get the vrsp dp and bm3 on my m340. X drive is gonna launch like a
rocket lol, my old m4 would spin the tires easily.
Thx for vid, get bm3 or some tune too!
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2020 Alpine White M340i X - Stock - DP
2017 Tanzanite Blue M4 ZCP - DP, bm3, mpe
2015 Alpine White M4 - Stock
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