2025 BMW M4 Competition Performance Parts

Spool Performance B58 Gen 2 / S58 Plug-and-Play Reflex+ Harness The Spool Performance Plug-and-Play Harness is the ultimate solution for installing a Motiv Reflex+ on your B58 Gen 2 or S58-powered vehicle—no cutting, splicing, or depinning required. Unlike traditional installs that require tapping into...

Introducing VTT Solid Engine Mounts for BMW G8X VTT is proud to offer our Solid Engine Mounts, designed specifically for the BMW G8X M2/M3/M4 platforms! Why Solid Engine Mounts? Drivetrain movement is the enemy of high-performance vehicles. As power levels climb and 1/4-mile and...

VTT Remote Oil Filter Kit – BMW S58 VTT is excited to introduce our Remote Oil Filter Kit for the BMW S58 engine—engineered to simplify oil filter access, streamline plumbing, and reduce weight and complexity. This kit removes the factory oil filter housing and...

VTT G8X Billet Oil Cooler Adapter Fittings – Convert to -10AN Looking to upgrade your G8X to a larger external oil cooler or simply replace the bulky factory hard lines with clean, braided -AN lines? VTT has the solution. Our Billet Oil Cooler Adapter...

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...

Spool Performance B58/S58 Plug and Play Ethanol Sensor Harness Connect our ethanol sensor harness to your ethanol sensor and your fuel controller. Our harness makes everything seemingly plug and play, no splicing or cutting of any wires. One side connects straight on the GM...

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 high RPM...

Spool Performance ZF 8HP70 / 8HP75 / 8HP76 Billet 300M C-Hub Cog Drive The factory C-hub cog drive in ZF 8HP70, 8HP75, and 8HP76 transmissions is produced from cast steel. While adequate at stock power levels, casting brings inherent weaknesses—porosity, uneven grain structure, 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—properly. At...

Spool Performance B58 Gen 2 / S58 Plug-and-Play Reflex+ Full Race Harness New stock with revised lengths, now will be able to locate your Motiv box in the passenger side cubby! This is a full replacement harness, all you will need is your Motiv...

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...