CAT Cams Camshaft Kits for BMW M54 Engines – Performance for Every Driving Style The BMW M54 engine, known for its impressive performance and versatility, has powered iconic models like the E46, E60, Z3, Z4, X3, and X5. Whether you're building a refined street car, a focused track vehicle, or a rally-ready machine, CAT Cams offers a variety of camshaft kits to meet your needs. These M54 camshafts enhance throttle response, expand the power band, and optimize engine performance across all RPMs. Whether naturally aspirated or running forced induction, CAT Cams camshafts deliver reliable, consistent gains. Designed with durability and precision in mind, these camshafts offer improved drivability and ensure your engine performs at its peak under demanding conditions. Key Features: Designed specifically for BMW M54 engines used in E46, E60, Z3, Z4, X3, X5, and more Available camshaft profiles for street, rally, track, and race applications Enhanced throttle response and broader power band Suitable for naturally aspirated and boosted engine setups Precision-engineered for long-lasting performance and reliability Choosing the Right Cams for your Application: OEM Duration @ 0.1mm Valve Lift Application 241° Intake / 227° Exhaust 9.70mm Intake / 9.00mm Exhaust OEM Duration @ 0.1mm Valve Lift Application 257° Intake / 247° Exhaust 9.90mm Intake / 9.60mm Exhaust Sport 268° Intake / 258° Exhaust 10.45mm Intake / 10.00mm Exhaust Hot Street For optimal performance and reliability, 5150 strongly advises replacing your valve springs with your camshafts, even with mild camshaft upgrades. This essential step acts as a preventive measure against potential piston-to-valve contact during instances of over-revving or mis-shifts. By taking this proactive approach, we prioritize your engine's well-being and ensure that you experience the highest levels of performance without compromising on reliability. BMW M54 Applications: BMW 3 Series 2000-2006 E46 320i / 320Ci2000-2006 E46 325i / 325xi / 325Ci2000-2006 E46 330i / 330xi / 330Ci BMW 5 Series 2000-2003 E39 520i [Europe]2000-2003 E39 525i 2000-2003 E39 530i2003-2005 E60/E61 525i2003-2005 E60/E61 530i BMW 7 Series 2001 E38 730i / 730Li [Europe] BMW Z3 Series 2000-2002 Z3 2.2i / 2.5i / 3.0i BMW Z4 Series 2002-2005 Z4 2.5i / 3.0i BMW X3 Series 2003-2006 E83 X3 2.5i / 3.0i BMW X5 Series 2000-2006 E53 X5 3.0i