A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine.
A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine.
Through radiator mounts for custom applications
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Lightweight ACT flywheel for racing, maximizing throttle response and acceleration.
Tidy up your cabin with the COBB OBDII Universal Cable!
.25 Oversize Bearings
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)
Let your engine breathe better with this DO88 Radiator!
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
08-10-2026
Restore your ignition system using genuine BMW components
Optimize the performance of your S54 by saving weight and power
Choose your bottle size to add up to 150hp. This system includes a TPS Autolearn wide open throttle module for use with all electronic fuel injected vehicles, including those with "fly by wire" electronic driven throttle bodies.
Swap Out Your Rod Bearings With 5150's S54 Rod Bearing Kit!
Early Model S54 Engines up to 02/2003 production date
Includes ARP Rod Bolts!
Oil cooler for power steering or gearbox oil cooling.