2016 BMW M4 F83 Convertible

The ultimate fueling solution for your BMW now available in a high quality low frills low cost package. Adds six supplemental low pressure fuel inj...

If you're running E85 or ethanol mixes in your S55 BMW, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol s...

World’s 1st Cast End tank Designed Top Mount Charge-Air-Cooler for the BMW S55 Engine in the BMW F80 M3, F82/F83 M4, and F87 M2 Competition Multi...

2-row 42mm Core (Dual Core) Featuring CSF’s Exclusive B-tube Technology Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Lou...

Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 26mm Multi-Channel Microtube Dual-Pass High Performance Core with 10 Co...

         *CHROME & FORGED CARBON WILL SHIP IN JUST A FEW WEEKS*   Welcome to the Valvetronic Designs catback exhaust system for the F8x plat...

  We have completed the development of the BMW M2 M3 M4 intake system that is dedicated to the S55 3.0T engine. This intake kit includes a 3" inta...

Our intakes feature a 4 layer reinforced ply silicone with oil resistant lining and aluminum hose connections to improve airflow, increase horsep...

Made specifically for BMW S55 Engine   Project Gamma catless downpipes for the S55 engines models feature a 4” construction along with a stainless...

Project Gamma silicone charge pipes for the S55 engine are designed to eliminate the restricted airflow from the factory pipes and provide better ...

Project Gamma charge coolers for the S55 engine feature increased core size andcapacity at 60% more than the OEM coolers. Our charge coolers are d...

Project Gamma downpipes for the S55 engine are now offered with a Bootmod3 license. This package is a great way to start running our downpipes smo...

Made specifically for BMW F80 | F82 | F83 | M3 | M4   Project Gamma midpipes for the S55 engine feature a 3.5” construction using high-grade 304 S...

S55 Lift Kit – Vacuum Pump Assembly +38% – CORE PAID   Dorch Engineering are proud to offer a game-changing product for the S55 community! With thi...

KW Variant 3: Race technology for the road, with adjustable compression and rebound dampening.State of the art motorsport technology enables bett...

KW Variant 3: Race technology for the road, with adjustable compression and rebound dampening.State of the art motorsport technology enables bett...

This kit is for BMW N55 & S55 engines. Check out our ignition coil testing methods and results here! Compared to the stock N55 and S55 igniti...

KW Variant 4 The KW Variant 4 was developed exclusively for supercars, sports cars and performance oriented sedans. With coilover struts made fro...

KW Variant 4 The KW Variant 4 was developed exclusively for supercars, sports cars and performance oriented sedans. With coilover struts made fro...

KW Variant 4 The KW Variant 4 was developed exclusively for supercars, sports cars and performance oriented sedans. With coilover struts made fro...

KW Variant 4 The KW Variant 4 was developed exclusively for supercars, sports cars and performance oriented sedans. With coilover struts made fro...

KW Clubsport: 2 WayCoilovers for Race track and road.*These set ups were specifically designed for the Nordschleife using track day tires. By usi...

KW Clubsport 3-way coiloversThe technology of the 24-hour race winnerUsing the Nordschleife as it's testing grounds and the 7-post rig, KW develo...

KW Clubsport 3-way coiloversThe technology of the 24-hour race winnerUsing the Nordschleife as it's testing grounds and the 7-post rig, KW develo...