2025 BMW M4 Competition xDrive Performance Parts

VTT S58 Plug-and-Play Coolant Pressure Sensor Kit - For Single Turbo Setups Building a high-boost single turbo S58 and need to monitor coolant pressure? VTT has the simplest and most effective solution. This billet fitting replaces the coolant block-off plug at the front of...

VTT Plug and Play S58 Single HPFP Conversion Kit The Only Proven Solution to S58 Exhaust Cam Timing Drift - Without Locking the Cam! Tested at over 1400WHP! We are proud to introduce the first and only kit on the market that completely resolves...

Spool Performance 8HP70 / 8HP75 / 8HP76 upgraded billet 7075-T6 D Clutch Drum The factory A380 cast-aluminum D-drum in the ZF 8HP70/75/76 is one of the weak links once power levels rise - prone to cracking, distortion, and oil starvation under high load and...

The Spool Performance S58 Auxiliary Fuel System is designed for S58 owners pushing beyond the limits of the factory fuel system who want a solution that’s properly engineered, easy to install, and built for long-term reliability. From the start, our focus was on correct...

Spool Performance B58/S58 Billet Race Torque Converter Upgrade Introducing the Spool Performance X58 Billet Race Torque Converter, engineered for all B58 / S58-powered vehicles equipped with the ZF 8HP50, 8HP51, or 8HP76 transmissions. Built to handle serious power, our X58 converter features: Billet drive...

Spool Performance ATC-13 Stage 2 Transfer Case DIY Kit The ATC-13 transfer case is a known weak point once you start pushing real power. The factory design simply isn’t built to handle sustained torque, aggressive launches, or high-load driving. This kit fixes that -...

VTT Upgraded Silicone G8X (S58) Coolant Hose Kit Available in BLACK as of 3/12/26 with RED, BLUE, and ORANGE coming very soon! Upgrade the Weak OEM Plastic Coolant Connectors on Your BMW S58 The issue with the factory S58 coolant system is not the...

Spool Stage 3 Low Pressure Fuel Pump (LPFP) - DIY LPFP Kit DIY LPFP Kit S58 G80 G82 G83 G87 F97 F98 | Plug and Play Introducing the only true plug-and-play Stage 3 LPFP solution for G-chassis BMW models. This kit is compatible with...

VTT S58 / B58TU Crankcase Vacuum Pump Kit If you’re building a serious S58, or B58TU, crankcase pressure is one of the biggest hidden enemies of engine performance. Excess crankcase pressure reduces ring seal, increases blow-by, contaminates engine oil, and costs horsepower. The goal...

SPOOL 8HP45 / 8HP50 / 8HP51 & 8HP70 / 8HP75 / 8HP76 Billet Main Shaft We spent 3 years developing this shaft to build something we genuinely felt was missing from the 8HP market - a true billet main shaft made for serious power....

Spool Performance S58 Port Injection Kit - BMW G87 M2 / G80 M3 / G82 M4 / G83 M4 Upgrade your BMW S58 fuel system with the Spool Performance Port Injection Kit. Designed for the G87 M2, G80 M3, G82 M4, and G83 M4,...

Spool Performance S58 Port Injection Kit - BMW G87 M2 / G80 M3 / G82 M4 / G83 M4 Upgrade your BMW S58 fuel system with the Spool Performance Port Injection Kit. Designed for the G87 M2, G80 M3, G82 M4, and G83 M4....

Maintain the airflow and filtration performance of your Eventuri intake system with the Eventuri Carbon Intake System Replacement Filter - Type D2. Designed specifically for Eventuri intake systems utilizing the D2 reverse-mounted filter architecture, this genuine replacement filter restores the filtration element while maintaining...

We have been in the N54/N55/S55 platform for a long while now. Time after time we see a countless amount of catastrophic failure due to failed N54 Piezo Injectors and N55/S55 Solenoid injectors.Neglecting these injectors leads to nothing but a money pit.Vader Solutions have...