Active Autowerke High Performance 42mm Blow Off Valve Replacement Diaphragm | BOV | E82 135 N54 1M E9X 335 MS45 OBD Flashing Option to flash

OBD Flashing Option to flash it yourself (adds Femto software and cable)

but it is better knowing the horsepower numbers under such conditions

quality product

Through careful remapping to the BMW DME

Active Autowerke's new F8X exhaust tips were developed specifically for the latest-generation M3/M4

Active Autowerke High Performance 42mm Blow Off Valve Replacement Diaphragm | BOV | E82 135 N54 1M E9X 335 MS45 OBD Flashing Option to flash***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke. com and you can fax it to us at (305) 253 8921*** Replacment diaphragm for your Active Autowerke 42mm Blow Off Valve!