Mounts on top of the engine under the top cover with the logo. Includes valve cover gasket.
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with the earlier B46A/B48A (Gen1) Engine only - Not compatible with the B46D/B48D (Gen2) Engine
Designed to work in almost any application where you have 3/8" (9.49mm) quick connect fittings and need to add a flex fuel sensor!
Universal Product - Please confirm your fuel line size prior to ordering
Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit.
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat!
Replace your leaking or cracked intake manifold - includes new intake seals
We Price Match - Give Us A Call or Chat! For vehicles with the earlier B46/B48 Gen1 Engine - Not compatible with the B46/B48 Gen2 Engine
Brand:
ES#:
4726406
Mfg#:
11618603914
Ships in 1 Business Day
$2227.99
This product was last offered at the strikethrough price on 05-07-2026
Restore fuel mileage and performance with a brand new air filter
For models with the earlier B46 engine - not compatible with the later B46D (B46TU) engine
Brand:
ES#:
2977105
Mfg#:
13718577170
In Stock
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$55.74
This product was last offered at the strikethrough price on 10-04-2026
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.
