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.
Get a mid range boost of ~7 HP and ~9 Ft/Lbs of torque. Increased air flow featuring a massive upgraded induction noise and ready for additional tuning/more power!
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4642560
Mfg#:
013859LA10
In Stock
ON SALE!
$2042.99
This product was last offered at the strikethrough price on 06-13-2026
Lower charge air cooling temps and/or engine coolant temps with CSF's direct fit auxiliary radiators - Radiators sold individually, two required for a complete system upgrade
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4876812
Mfg#:
8321
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$519.00
This product was last offered at the strikethrough price on 10-04-2026
Protect your vehicle's fragile oil pan and under carriage with this 1/8” (3.175mm) thick aluminum skid plate. Prefer a Black Powder Coated Finish see ES4375772
10X Entries Into Our F80 M3 Sweepstakes Not for Vehicles Equipped with the CS/CSL Front Lip Spoiler
Brand:
ES#:
4375774
Mfg#:
008771LA01-01
In Stock
ON SALE!
SAVE 20%
$1019.99
This product was last offered at the strikethrough price on 06-13-2026
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
