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).
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Octanium Unleaded is formulated to provide the biggest octane boost – up to 7 numbers.
Safe for Catalytic converters and emissions equipment.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
Used to load the tension on the timing chain or to measure the amount of slack
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Brand:
ES#:
3690107
Mfg#:
028634SCH01A
In Stock
ON SALE!
$5.99
This product was last offered at the strikethrough price on 05-02-2026
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.
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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 06-04-2026
High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO).
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Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars.
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Brand:
ES#:
4875873
Mfg#:
LK2M
In Stock
ON SALE!
SAVE 20%
$5.99
This product was last offered at the strikethrough price on 05-02-2026
Replacement ECS catch can O-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE!
SAVE 30%
$5.99
This product was last offered at the strikethrough price on 05-02-2026
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
