Replace your restrictive air box with these dual high flow cone filters for the highest possible air flow!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms CARB certified for sale in all 50 states
Includes housing and sealing o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Low-temp thermostat reduces stresses on engine components and improves performance
Brand:
ES#:
4158502
Mfg#:
11537586885
In Stock
ON SALE!
SAVE 20%
$93.99
This product was last offered at the strikethrough price on 05-02-2026
The preferred spark plug of many BMW enthusiasts.
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Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer
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Features conventional hex head to reduce the potential for stripping.
Common cause of oil level display discrepancies.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4818556
Mfg#:
12617607910
In Stock
ON SALE!
SAVE 15%
$153.99
This product was last offered at the strikethrough price on 05-02-2026
The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel.
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Replace your worn eccentric shaft to restore Valvetronic performance and proper functionality.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2079669
Mfg#:
11377589883
Ships in 3 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1141.87
This product was last offered at the strikethrough price on 01-07-2026
Brand new unit - no core charge! Avoid messing with a core return entirely!
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Brand:
ES#:
3170828
Mfg#:
SR0492N
In Stock
$255.99
This product was last offered at the strikethrough price on 03-17-2026
A direct plug-and-play upgrade with up to 10% more energy output than stock!
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Brand:
ES#:
4456857
Mfg#:
D650-0002
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$36.84
This product was last offered at the strikethrough price on 06-12-2026
Having idle problems and low RPM hesitation? Lower portion of the intake manifold. Often the culprit of DISA noises.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4338769
Mfg#:
11617579114
In Stock
ON SALE!
SAVE 10%
$187.99
This product was last offered at the strikethrough price on 05-02-2026
Includes new original equipment turbochargers manufactured by Mitsubishi, installation hardware, and coolant.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Includes brand new turbochargers - not remanufactured. No core charges!
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
