1Pc For BMW 4 Series F32/F33/F36 2012-19 Electronic Exhaust Valve Spring Fixing
£6.35
Precision-engineered to match FOR BMW part 18307620323 – seamless compatibility with 4 Series petrol models. Torsion-spring technology eliminates exhaust valve buzz at 2,000-3,500 RPM (common UK motorway speeds).
