New & Exclusive to 5150 AutoSport: CAT Cams Camshaft Set for BMW N55 Maximize the Performance of Your BMW N55 Engine with CAT Cams Camshafts The BMW N55 engine, produced from 2009 to 2019, stands out for its blend of power, efficiency, and tunability, serving as the heart of many iconic BMW models. With CAT Cams’ precision-engineered camshafts, now available exclusively through 5150 AutoSport, you can take your N55-powered vehicle to the next level. Whether you’re building for street performance or preparing for track days, these camshafts offer the power gains and throttle response needed to push your N55 to its limits. Precision-Tuned Performance for Your N55 Build CAT Cams camshafts are designed as a direct fit for the N55 engine, ensuring seamless installation. However, performance software tuning is required to fully optimize your setup. We have successfully collaborated with some of the industry’s top tuners, including Halim from HCPerformance, who has developed custom software for the N55. His tuning solutions maintain factory-like idle and drivability even with aggressive cam profiles while keeping Valvetronic and Dual VANOS fully functional. With an aftermarket throttle body, the Valvetronic system can also be locked open, providing even more control over your build. Key Features: Direct-fit camshaft set for BMW N55 engines Optimized for stock and modified builds, including forced induction setups Improves power output, throttle response, and efficiency Maintains factory-like idle and full use of Valvetronic and Dual VANOS systems Compatible with custom tuning software from HCPerformance Perfect for street cars, track builds, or high-performance applications Recommended Use: For best results, we recommend installing these camshafts alongside other performance upgrades such as a fortified engine block, upgraded turbos, and improved fueling components. Whether you're aiming for higher horsepower or enhanced responsiveness, these camshafts complete your N55 engine build with reliable, long-lasting performance. Built on Expertise and Engineering Excellence Since 1989, CAT Cams has led the way in producing high-quality camshafts with cutting-edge technology. Each camshaft grind reflects decades of experience and precision, ensuring optimal performance and durability. With their expertise, the N55 camshaft set from CAT Cams delivers the reliability and performance enthusiasts demand. Duration @ 0.1mm Valve Lift Application 278° Intake / 272° Exhaust 11.20mm Intake / 10.35mm Exhaust Spicy 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. Replaces OEM Part Numbers: 11317576160 Intake 11317576161 Exhaust BMW N55 Applications: 1 Series 2010-2013 E82/E88 135i2012-2016 F20/F21 M135i 2 Series 2014-2016 F22/F23 M235i2016-2018 F87 M2 3 Series 2010-2015 E90/E91/E92/E93 335i2012-2015 F30/F31/F34 335i2015-2016 F30/F31 340i 4 Series 2013-2016 F32/F33/F36 435i2016 F32/F33/F36 440i 5 Series 2010-2016 F10/F11 535i2010-2017 F07 535i GT 6 Series 2011-2018 F12/F13/F06 640i Gran Coupe 7 Series 2012-2015 F01/F02 740i / 740Li X1 Series 2013-2015 E84 X1 xDrive35i X3 Series 2011-2017 F25 X3 xDrive35i X4 Series 2014-2017 F26 X4 xDrive35i2016-2017 F26 X4 M40i X5 Series 2011-2018 E70/F15 X5 xDrive35i X6 Series 2011-2019 E71/F16 X6 xDrive35i ALPINA N55 Applications: B3 Series 2013-2018 F30/F31 B3 Bi-Turbo B4 Series 2014-2019 F32/F33 B4 Bi-Turbo B5 Series 2010-2016 F10 B5 Bi-Turbo B6 Series 2011-2018 F12/F13/F06 B6 Bi-Turbo Gran Coupe