BMW (1979+) Vacuum Cap plug 7.0 mm Vacuum Cap 7.0 mm Brand NEW part with full 1 year warranty. BMW part# 11 61 1 727 176, note the mid-year splits. Genuine BMW part, recently made: not been lying around. PLEASE NOTE the mid-year split on PRODUCTION date. See Models Chart BELOW. Not sure about your car? email us your VIN to confirm.