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Whether paired with the stock exhaust
professional installation is recommended
Required Fueling option(s)
the MAD exhaust ensures a harmonious blend of performance and comfort
NOTE: The V8 motors (ie N63 or S63) use 2 DMEs and you would need to send both in for a successful unlock
2012-2018 BMW 3 Series (F30 / F31) M Performance Style Rear Diffuser 40 Amp Whether paired with the stockThis is the Kies Motorsports M Performance style rear diffuser (non carbon) for your F30 BMW 3 series. This will fit any of the F30 generation BMW 320i, 328i, 335i, 330i, 340i as well as the xi and diesel variations. You MUST already have the M Sport rear bumper, as this diffuser will NOT fit the base bumpers. If you do not have an M Sport rear bumper, have no fear, you can purchase one of our Kies Motorsports M sport style rear bumper conversions
