Removes top speed limiter, raises rev limit to 8,250rpm, improves throttle response, and improves power output - max gains of 22hp and 16tq!
BMW E46 M3 S54 3.2L Performance Parts & Upgrades
- Braking
- Engine / Drivetrain
- Essentials
- Exhaust
- Exterior
- Interior
- Lighting
- Racing Safety Accessories
- Software / Tuning
- Suspension
- Wheels
- Clearance
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
High quality steel constructed seat bracket made right here in the USA!
Fits coupe models only
Set of DOT-compliant lines for an improved pedal feel
Lightweight wheel spacers with a machined tab for easy removal
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Reduce rotating mass and lower weight to free-up hidden horsepower.
Lightweight ACT flywheel for racing, maximizing throttle response and acceleration.
Restore fuel mileage and performance
Prevent stress cracking and torn sheetmetal!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
The perfect oil cooler for the track and on the street!
Single mass flywheel conversion. Can be used with both factory clutch kit and ACT clutch kits. Gear rattle is expected. Flywheel bolts included (M12-1.5 x 30mm)
Eliminate sway bar preload, optimize efficiency, and perfect geometry! Optimized for use with aftermarket sway bars.
10X Entries Into Our F80 M3 Sweepstakes
Let your engine breathe better with this DO88 Radiator!
Let your engine breathe better with this DO88 Radiator!
Restore your ignition system using genuine BMW components
Twisted Steel 2-1/2 IN 304 Stainless Steel Race Series X-Pipe BMW M3 (E46)
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-01-2026