This means allowing the engine to warm up to its normal operating temperature

1982-1987     E30     325e / 325es [North America]

Whether you're chasing big horsepower or seeking to maximize fueling efficiency

048 inches thickness

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BMW M50 M52 S50 S52 Valves by Ferrea 520 This means allowing the engineFerrea Competition Plus Valves are widely recognized as one of the most dependable extreme duty valves available. Designed specifically for the BMW M50, M52, S50, and S52 cylinder heads, these high performance valves are made from aerospace grade alloys, including EV8 Z18, delivering the tensile strength and resilience needed for high revving, demanding builds. Ferreas exclusive two step slow forging process optimizes the internal grain structure of