Active Autowerke High Performance 42mm Blow Off Valve Replacement Diaphragm | BOV | E82 135 N54 1M E9X 335 MS45 year-1999-make-bmw-model-z3m

year-1999-make-bmw-model-z3m

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

Every effort was made to ensure that the midpipe would work with the stock exhaust and enhance the sound with a deeper tone

BMW factory style hardware makes a truly easy installation with no need for cutting or re-welding

Active Autowerke BMW M3 Supercharger Kit Rotrex Blower Level 2

Active Autowerke High Performance 42mm Blow Off Valve Replacement Diaphragm | BOV | E82 135 N54 1M E9X 335 MS45 year-1999-make-bmw-model-z3m***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!