Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
Ships in 1-2 days
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58!
Not for sale or use in the state of California.
Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads!
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
2739096
Mfg#:
003530ECS01A
Ships in 1 Business Day
ON SALE!
SAVE 25%
$35.99
This product was last offered at the strikethrough price on 06-13-2026
Fine tune your stance and improve handling - Includes special bolts to mount these spacers to your BMW's wheel hubs.
We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4159862
Mfg#:
5055664SW
Ships in 3 Business Days
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$199.99
This product was last offered at the strikethrough price on 07-01-2026
This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring.
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
