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Easy and simple install. Noticeable difference at stage 1 tune. I would recommend getting the downpipe and jump straight to stage 2 tune.
BM3 stage 1 2013 F30 335i. I was prepared for an improvement but what I got was unbelievable. Car is a bit better to drive down low as well. Very Happy.
Andy was really helpful and love the tune
Works faultlessly, handled a 2.75hr connection to the BootMod3 technicians without issue.