MTC BMW E24 E28 E32 Heater Mono Valve Repair Kit | 64-11-8-390-132 Mono Valve Repair Kit For Heater Solenoid Valve Brand NEW part with full 1 year warranty. BMW part# 64 11 8 390 132, check fit below. Recently made by MTC, not been lying around. Please NOTE the mid-year split on PRODUCTION date. Not sure about your car? email us your VIN to confirm.