The Active Autowerke BMW E46 M3 Header is designed to increase exhaust flow without losing power which can sometimes be a tricky proposition. These headers are developed to create optimum flow and eliminate restriction that rob much desired ...

When you thought it could not get any better, and after 10 yrs. of the #1 selling E46 SC Kit, Active Autowerke is proud to announce their new Generation 8 SC Kit. Reliability and power are needed if you want to be on the podium, and this new ...

When you thought it could not get any better, and after 10 yrs. of the #1 selling E46 M3 SC kit, Active Autowerke is proud to announce there new Generation 8 SC kit. Active Autowerke is always looking for improvement, so it is no surprise that ...

As producer of one of the finest working supercharger systems for the E46 M3, Active Autowerke is proud to introduce the PRIMA starter system capable of exceeding 500WHP through upgrades to Level 1 and Level 2. In collaboration with Frank Smith of ...

The AP Racing Radi-CAL front 6-Piston brake kit is custom designed for the 2008-2013 BMW M3.  This kit includes a set of large 14.5" (370x36mm) J-Hook or cross-drilled and slotted rotors, black or red calipers, Goodridge ...

The AP Racing Radi-CAL rear 4-Piston brake kit is custom designed for the 2001-2006 BMW M3.  This kit includes a set of large 14.2" (360x28mm) J-Hook or cross-drilled and slotted rotors, black or red calipers, Goodridge stainless ...

The AP Racing Radi-CAL front 6-Piston brake kit is custom designed for the 2001-2006 BMW M3.  This kit includes a set of large 14.5" (370x36mm) J-Hook or cross-drilled and slotted rotors, black or red calipers, Goodridge ...

KW Variant 1: Sporty - Balanced. With KW factory pre-set dampening. The ideal system for customers who like to choose the customer lowering of their vehicles while counting on the extensive driving tests of our experienced engineers who have preset ...

KW Variant 2: Sporty and personalized with adjustable rebound dampening. This system is designed for the driver who requires not only determining the individual lowering of their vehicle, but having the ability to adjust the damper settings to fine ...

KW Variant 3: Race technology for the road, with adjustable compression and rebound dampening. State of the art motorsport technology enables better performance on the streets. The independently adjustable compression and rebound dampening allows ...

KW Clubsport: Coilovers for Race track and road. These set ups were specifically designed for the Nordschleife using track day tires. By using the optional adjustable top mounts, suspension geometry can be adjusted to the requirements of the tires ...

Direct replacement/upgrade for the failure-prone factory headers; lighter, higher flowing, and more durable for increased performance and longevity                             ...

Replaces the restrictive factory cats with high-performance HJS Racing sport cats for maximum performance and sound                                       ...

Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound; recommended for track/off-road use only.                        ...

Special Note Stage 3 Engine Software Highly Recommnended.   Dinan® has developed a unique Cold Air Intake System that is combined with a black powder coated aluminum High Flow Air Mass Meter housing enabling the E46 M3 to ingest greater ...

Stage 2 Engine Software tunes the vehicle for maximum performance when the Dinan® Free Flow Exhaust is installed.   European Road and Racing is the sole authorized dealer for Dinan products in South Carolina. Please advise when ordering ...

Special Note Stage 2 Engine Software recommended for optimum performance and drivability.   If you've been searching for a truly high performance rear muffler for your M3 look no further. Dinan's unique muffler design effectively ...

Dinan® Engine Software safely raises the rev-limit by 150 rpm, endowing your M3 with a broader power band and greater road speed in each gear. The software also removes the top speed governor, enabling the cars to attain their ...