The BMW Alpina B7L Valve Stem Oil Seal provides accurate control of oil, which remains in its place where it is required to protect combustion chambers and allow all valves to move freely to maintain power and long-term reliability. This compact Valve Stem Oil Seal deposits a micro film on the stem during hard acceleration or relaxed cruising that prevents blow-by, resulting in smoke or lost compression. The Valve Stem Oil Seal is made of heat-resistant elastomers and can survive the V8 exhaust heat but fits into the tight head of the Alpina B7L. Regular sealing ensures the whole BMW induction pathway is cleaner, thus turbos will spin faster and catalytic converters will remain effective. It also helps fuel economy since the mixture will never be diluted by excess oil, and safety will be increased as the probability of misfire during the rapid overtaking of the Alpina B7L decreases significantly. The compatibility is across various years of the Alpina B7L model with both the standard and long wheelbase models and does not require any adjustment, providing the owners with the confidence of the factory. The real BMW component has a soft lip that clings to the stem when the spring is under pressure, then releases when the valve closes, a movement that makes this Valve Stem Oil Seal unique. Drivers claim that idle is less noisy, throttle is more responsive, and tailpipes have become significantly cleaner with the installation of the exact Valve Stem Oil Seal, evidence of its contribution to maintaining trademark BMW smoothness. The tough Valve Stem Oil Seal, which acts as a silent watchdog in each Alpina B7L engine, allows the 600 horsepower powertrain to breathe freely and provide its famous surge time over and over again, a tradition of reliability and class, the BMW. This durable Valve Stem Oil Seal is a complementary part to all BMW upgrade packages available in the Alpina B7L that provide a statement of quality that few competitors can match.
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