2021 BMW X3 M Competition Performance Parts

**This product is a part of the Active Autowerke Motorsport Collection. It is for RACE and OFF-ROAD USE ONLY! NOW AVAILABLE WITH EXHAUST DUMP. Please email, fax or take a photo of the completed form. At the repeated requests from our customers, Active Autowerke...

BMW F97 X3M / F98 X4M Rear Exhaust Due to continued requests from our customers, Active Autowerke is pleased to release the Active Autowerke Valved Rear Exhaust for the X3M and X4M. While these SUVs have received rave reviews for their performance, the sound...

After extensive research and development, ACTIVE AUTOWERKE has announced GEN 2 of our EL midpipes. We worked with our factories to create specially developed RESONATORS that remove rasp from the exhaust tones with minimal change in the volume of the sound. A side benefit...

The Active Autowerke G8X and X3M single midpipe exhaust clamp set includes 2 Torca clamps and 2 ball clamps and are an exact replacement for your Active Autowerke midpipes. Made from 304 stainless steel with steel bolts for secure tightening. The torca clamps measure...

The Active Autowerke G8X x-pipe and equal length midpipes and X3M equal length midpipe exhaust clamp set includes 4 Torca clamps and are an exact replacement for your Active Autowerke midpipes. Made from 304 stainless steel with steel bolts for secure tightening. The torca...

NO PERFORMANCE TUNE NEEDED. NOTE: Fitment applies to US model cars only unless specifically stated. We cannot guarantee fitment to non-US model cars. Active Autowerke BMW X3M S58 Downpipes BMW introduced a new valvetronic, single turbo version of its direct-injection engine for the later...

Take your BMW X3M or X4M to the next level with the MAD 3.5" FatBoy Catless Downpipes. Designed for enthusiasts who demand maximum performance, our latest FatBoy design features a massive 3.5-inch diameter for significantly improved exhaust flow over traditional downpipes. Engineered specifically for...

Boost your engine's performance effortlessly with a high-grade air filter upgrade from MAD. With enhanced flow and filtration over the standard OEM paper filters, this budget-friendly upgrade promises noticeable performance gains. It is directly compatible with the factory F97 X3M / F98 X4M airbox,...

MAD BMW X3M X4M 3.5" Non-Resonated Single Midpipe The MAD 3.5" Non-Resonated Single Midpipe is designed for X3M and X4M owners who want to get the most sound out of the S58 exhaust system. It replaces the OEM center section, removing the secondary catalytic...

Introducing the MAD X3M X4M Axle-Back Exhaust System, engineered to elevate the driving experience of your BMW X3M or X4M. Crafted with precision and passion, this exhaust system delivers a thrilling blend of performance, sound, and style. Designed for seamless compatibility, the MAD X3M...

MAD BMW X3M X4M 3.5" Resonated Single Midpipe The MAD 3.5" Resonated Single Midpipe is a simple way to open up the exhaust on the S58-powered X3M and X4M while changing the factory exhaust tone. This midpipe replaces the OEM center section, removing the...

Enhance your vehicle's exhaust system with the MAD Valve Controller, the ultimate tool for customizing your exhaust sound and performance. Designed to override factory settings, this controller gives you complete control over your exhaust flap, allowing you to tailor the exhaust note to match...

MAD S58 200 Cell Race Catted Downpipes Designed for the BMW F97 X3M and F98 X4M, MAD S58 200 Cell Race Catted Downpipes improve exhaust flow while delivering a deeper, more aggressive exhaust note. Increased Flow for Performance-Focused Builds Constructed from high-quality 304 stainless...

Introducing the MAD S58 Catted Downpipes The perfect upgrade for BMW X3M and X4M owners looking to unlock more performance and a deeper, more aggressive exhaust note without triggering a check engine light. Crafted from high-quality 304 stainless steel, these downpipes are built to...

MAD Valve Controller Essentials Everything You Need. Total Control. No Guesswork. Take full control of your exhaust sound with the MAD Valve Controller Essentials a simplified, plug-and-play solution designed around the valve positions enthusiasts use most every day. Unlike the factory system, which constantly...