Located on the side of the engine block.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4871941
Mfg#:
13627580635
In Stock
ON SALE!
SAVE 21%
$26.99
This product was last offered at the strikethrough price on 05-02-2026
Max gains of up to +26 HP and +36 lb-ft TRQ (Crank); +23 HP and +33 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4499651
Mfg#:
D440-0162
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.
$760.99
This product was last offered at the strikethrough price on 07-03-2026
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Brand:
ES#:
4736575
Mfg#:
13548632344
In Stock
$10.99
This product was last offered at the strikethrough price on 03-24-2026
Featuring Leichtlauf High-Tech engine oil, Hengst filter, and a new drain plug.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Recommended for warmer (tropical) climates or track/racing applications only
Feeds coolant from the water pump to the thermostat module
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine
Brand:
ES#:
4179818
Mfg#:
11538650981
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$109.99
This product was last offered at the strikethrough price on 07-03-2026
Precision engineered to feed cooler, denser air to your engine
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4368633
Mfg#:
D760-0055
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$646.99
This product was last offered at the strikethrough price on 07-03-2026
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
