I really want to put jb4 on my N55 lease but am scared that when I give the car back or take it in for service they will see some code that indicated it at one point had a tune.
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2020 M2 CS | Black Saphire Metallic | DCT / CCB
SOLD:
2012 135i | Le Mans | 6MT
1986 535i | Cirrus Blue Metallic | 5MT
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