BMW N55/S55 Valve Springs by SuperTech

Designed specifically for high-performance applications, SuperTech's precision-engineered valve spring kits for BMW N55 & S55 engines provide the essential components necessary for improving valve control and ensure reliability under demanding conditions. Supertech valve spring kits feature high-quality springs made from premium materials, ensuring they withstand the extreme stresses of racing and spirited driving. With superior spring rates compared to stock springs, these kits minimize valve float, allowing for optimal valve operation even at high RPMs. This precision translates to improved throttle response and increased power delivery across the rev range. Whether you’re an enthusiast, engine builder, or part of a professional racing team, Supertech valve spring kits are a trusted choice for a variety of applications, from street performance to competitive racing. Each kit is tailored to meet the specific needs of your BMW engine, guaranteeing a seamless upgrade process. Choosing Supertech means investing in a brand renowned for quality and performance. Their commitment to excellence makes them a preferred option for those looking to maximize their BMW's potential.  Installation requires the expertise of an engine builder. 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 BMW S55 Applications: 2 Series 2018-2020     F87     M2 Competition 3 Series 2012-2018     F80     M3 4 Series 2014-2020     F82     M42014-2020     F83     M4