Cometic rear main seal for BMW M20B25/M20B27. Backed by the brand's focus on manufacturing quality and in-house testing, the seal is presented as meeting or exceeding OEM quality. Cometic's development includes dyno shakedowns and assembly-room evaluations to help ensure the seal's reliability for rear crankshaft sealing in supported engines.
Cometic Gasket BMW M20B25/M20B27 Rear Main Seal