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5 SeriesE34 518i
safeguarding your engine against potential damage
Upgrade your BMW M52TU or M54 engine with the Ferrea Valve Kit for enhanced tensile strength
Custom Age 625+ Kit – 280
this heat exchanger will withstand even the harshest conditions
BMW M40/M42/M44 Valve Spring Kit, Pro Xtreme AIM Tech 5 SeriesE34 518i5150 AutoSport Pro Xtreme Valve Springs for BMW M40 M42 M44 Engines Maximize your engines potential with 5150 AutoSport Pro Xtreme Valve Springs, designed for BMW M40 M42 M44 Engines. Whether you're building for high revving street performance or all out racing, these valve springs are built to handle engine speeds of up to 11,000 RPM with confidence. Available in two kit optionsone for 6mm valves and one for 7mm valvesyou get the flexibility to match
