Mounts on top of the engine under the top cover with the logo
10X Entries Into Our F80 M3 Sweepstakes For vehicles with the earlier B46A/B48A (Gen1) Engine only - Not compatible with the B46D/B48D (Gen2) Engine
Brand:
ES#:
4755639
Mfg#:
11127611278M
In Stock
ON SALE!
SAVE 32%
$366.99
This product was last offered at the strikethrough price on 05-02-2026
A common failure part on B48/B58/S58 fuel systems, the fuel tank breather valve prevents the fuel tank from over pressurizing. Will normally cause CEL when failed.
We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4691047
Mfg#:
13907643106
In Stock
ON SALE!
SAVE 40%
$121.99
This product was last offered at the strikethrough price on 04-15-2026
Also called a Heat Management Module by BMW, this electronic thermostat controls coolant flow based on engine temperatures
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179815
Mfg#:
11538642560
In Stock
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$446.99
This product was last offered at the strikethrough price on 07-06-2026
Located on the side of the engine block, includes gasket
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with the earlier Gen1 B46/B48 engine - Not compatible with the later TU engines
A common failure part on B48/B58/S58 fuel systems, the fuel tank breather valve prevents the fuel tank from over pressurizing. Will normally cause CEL when failed.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4751821
Mfg#:
13907643106
In Stock
ON SALE!
SAVE 20%
$68.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your cracked or leaking housing and upgrade to an aluminum housing to prevent future failures
10X Entries Into Our F80 M3 Sweepstakes For vehicles with the B46/B48 Gen 2 (B46TU/B48TU) Engine only - Not compatible with the earlier Gen 1 B46/B48 engine
Brand:
ES#:
5397080
Mfg#:
11428580414M
In Stock
ON SALE!
SAVE 15%
$367.99
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
