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 3 Business Days
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Eliminate crankcase pressure with one easy breather! Two Prong for Stock Valve Cover
2X Entries Into Our F80 M3 Sweepstakes For models with the Gen2 B58 or B48 engines only (B58TU / B48TU) For vehicles with the Gen2 B58C or B58D engine only
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
In Stock
ON SALE!
SAVE 25%
$35.99
This product was last offered at the strikethrough price on 06-13-2026
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.
The ultimate intake manifold upgrade for your B58 powered Supra or BMW - now offered with a Thermal Black Heat Dispersion Coating!
2X Entries Into Our F80 M3 Sweepstakes
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
