Connects to the thermostat module and supports the electrical wiring harness
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179822
Mfg#:
11538651265
Ships in 1-2 days
4% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$78.99
This product was last offered at the strikethrough price on 03-04-2026
Feeds coolant from the water pump to the thermostat module
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179818
Mfg#:
11538650981
In Stock
8% 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 08-18-2026
Featuring Leichtlauf High-Tech engine oil, Hengst filter, and a new drain plug.
10X Entries For Our 25th Anniversary Sweepstakes! Recommended for warmer (tropical) climates or track/racing applications only
Brand:
ES#:
4013669
Mfg#:
11428575211-1KT
In Stock
ON SALE!
$109.99
This product was last offered at the strikethrough price on 08-18-2026
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
