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G30 540i B58
Whether naturally aspirated or running forced induction
50mm Exhaust Full Race 260° Intake / 242° Exhaust 11
In addition to their robust construction
BMW S58 Valve Spring Kit by Ferrea E91 G30 540i B58The Ferrea Valve Spring Kit for BMW S58 engines is built for enthusiasts ready to push their G80, G82, or G87 to new performance heights. Specifically engineered for the S58 platform, this kit is designed to handle high RPMs and high horsepower builds, providing everything you need for extreme performance. This complete kit includes: 24 premium chrome silicon valve springs 24 lightweight titanium retainers 24 precision fit spring seats Ferreas re
