BMW E61 535xi N54 3.0L
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
Choose your bottle size to add up to 75hp with this EFI nitrous kit.
Sold in a black powdercoated finish.
Lifetime Replacement
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
2X Entries For Our 25th Anniversary Sweepstakes!
Lifetime Replacement
Includes Lambda cable & 8-foot sensor cable.
Lifetime Replacement
A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!
Lifetime Replacement
Stop Low Pressure Fuel Pressure Drops at the Source!
A Must For Cars With Upgraded LPFPs
Drop in performance air filter
Lifetime Replacement
Adapt Your 0-10 Bar Pressure Sensor to Your Ethanol Sensor With Ease!
Lifetime Replacement
Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit
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
08-04-2026
Lifetime Replacement
Increase power without sacrificing reliability
Adds up to 40hp and 51lbs. x ft. torque - instantly!
This product was last offered at the strikethrough price on
08-03-2026
Lifetime Replacement
Does not come with Ignition Coils
Lifetime Replacement
Higher flow, higher performance - oil-free, washable and reuseable!
This product was last offered at the strikethrough price on
08-03-2026
Lifetime Replacement
2X Entries For Our 25th Anniversary Sweepstakes!
Lifetime Replacement
This drain plug utilizes a high-powered rare earth magnet to capture those contaminants before they can do damage.
2X Entries For Our 25th Anniversary Sweepstakes!
