M3 / M4 Performance Parts

The Forza Componenti exhaust valve controller kit is the complete solution that allows the user to take full manual control of the vehicle's vacuum-actuated exhaust bypass valves. The controller has a circuit board that controls the negative side of the...

Fabspeed's Maxflo Performance Exhaust and tips replace the restrictive factory muffler system for improved sports car sound, weight savings, and increased power. SOUND: Unleash more of the M3's screaming V8 engine note. Expect a deeper and louder exhaust...

Arguably one of the hottest German performance vehicles of the decade, the G8X M3/M4 has quickly become a favorite among enthusiasts and race teams alike. Like most BMWs, the S58 motor has some serious heat issues under heavy driving conditions. CSF has...

In stock form the G8X is an impressive machine, but its tuning potential is where the magic really happens. However, whenever you start pushing power on a car, you need to make sure the cooling system can keep up. CSF’s new G8X M3/M4 Transmission...

The ultimate Charge Air Cooler for the G8x platform.  FEATURES: Applications: 2021+ BMW G80 M3 (incl. Competition) – 6MT & ZF8 Auto 2021+ BMW G82/G83 M4 (incl. Competition) – 6MT & ZF8 Auto 2022+ BMW G81 M3 (incl...

Beautiful long tube headers that are an excellent upgrade for the failure-prone factory headers. Lighter, higher flowing, and more durable for increased performance and longevity. SOUND: Get more of that signature BMW straight six sound. These free...

Replaces the restrictive factory catalytic converters with high-performance 200 cell HJS sport cats for maximum performance and sound. SOUND: These sport cats will give your M3 a mild increase in exhaust volume, with a slightly sharper tone. FEATURES: ...

High-performance 200-cell HJS catalytic converters replace the restrictive factory primary catalytic converters for increased exhaust flow and improved power and sound. SOUND: Expect a mild but noticeable increase in sports car sound with these high flow...

Straight-through mandrel bent pipes replace the restrictive factory primary catalytic converters for maximum exhaust flow, power and sound. FEATURES: Fits all BMW E90/92/93 M3 vehicles (2007-2013) Constructed from 14-16ga T304L stainless steel CNC...

Straight-through exhaust section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound. For track/off-road use only. SOUND: These straight pipes will make your M3 much louder, however the resonators make sure that the...

Replaces the restrictive and redundant secondary catalytic converters with a free-flowing x-pipe which increases power and sound. Available with or without resonators for additional weight savings. SOUND: With the resonated x-pipe expect a significant...

These GiroDisc 2-piece rotors are a direct replacement for the front rotors on the G80 M3, G82/83 M4, and G87 M2 without carbon ceramic brakes. Our 2-piece, fully floating assemblies help shed unsprung weight and rotating mass from the front axle of...

The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor...

Achieve maximum power from the BMW M3 3.2L straight-six engine without sacrificing drivability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that...

Achieve maximum power from the BMW M3 V8 engine without sacrificing drivability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required...

High performance drop-in replacement for the factory air filter; fits BMW F90 M5 factory airbox for improved airflow and performance.                                 ...

High performance drop-in replacement for the factory air filter; fits OEM M3 E46 airbox for improved airflow and performance. Proper airflow is crucial to an engine’s performance. When it comes to a high performance vehicle like the BMW M3 E46,...

High performance drop-in replacement for the factory air filters; fits OEM M3 V8 (US cars only) airboxes for improved airflow and performance. Proper airflow is crucial to an engine’s performance. When it comes to a high performance vehicle like...

Showcase your BMW pride with a 24" x 24" genuine carbon fiber and stainless steel wall sign! FEATURES: Constructed from 100% genuine carbon fiber and precision-cut brushed stainless steel Dimensions: 24" wide x 24" tall Perfect for a showroom, garage,...

The CTEK MXS 5.0 4.3 Amp 12 Volt battery charger offers a unique eight-step approach to battery care. Fully automatic microprocessor controlled charger with built-in automatic temperature sensor features a unique combination of advanced charging...