The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C).
X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 7.5L and diesel engines up to 5.0L.
Brand:
ES#:
4389654
Mfg#:
GBX55
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$219.99
This product was last offered at the strikethrough price on 10-07-2026
Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4875873
Mfg#:
LK2M
In Stock
ON SALE!
SAVE 29%
$6.99
This product was last offered at the strikethrough price on 06-13-2026
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For use in setups where charge pipe injection is being utilized.
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
