Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection.
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with TRW-Girling 345x30mm brake rotors - Please check existing size before ordering
Brand:
ES#:
4668212
Mfg#:
8K0615301M-XS
In Stock
ON SALE!
SAVE 12%
$521.99
This product was last offered at the strikethrough price on 06-13-2026
Easily increase the supercharger rotational speed to create more boost
10X Entries Into Our F80 M3 Sweepstakes Appropriate stage 2 software is required for use
Brand:
ES#:
3551738
Mfg#:
025509ECS01
In Stock
ON SALE!
SAVE 30%
$179.99
This product was last offered at the strikethrough price on 10-15-2026
Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use
2X Entries Into Our F80 M3 Sweepstakes
Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder)
10X Entries Into Our F80 M3 Sweepstakes Beneficial to cars with basic performance upgrades
Brand:
ES#:
4056350
Mfg#:
06E905115FKT6
Ships in 3 Business Days
$188.99
This product was last offered at the strikethrough price on 09-08-2026
Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software.
2X Entries Into Our F80 M3 Sweepstakes *3.0 TFSI Performance Software is sold separately and required in order for this pulley to yield a performance benefit.*
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
