genuine Walbro 485 model with E46 NonM specific CNC machined adapter sleeve

The B-Tube layout increases tube surface area by approximately 15% compared to traditional designs

Rally Road is offering a Limited Lifetime Warranty on this part

OPTIONAL FUEL RAIL PLUMBING KIT

B58 Pro-Xtreme Valve & Valve Spring Kit 330xi genuine Walbro 485 model withSimplify your next B58 engine build with this all in one Competition Valve & Spring Kit, now available from 5150 AutoSport. Featuring Ferrea's single groove stainless steel valves and a complete high performance valve spring kit, this package eliminates the guessworkgiving engine builders a reliable, track proven solution in a single click. Built for Power. Engineered for RPM. This kit includes standard size Ferrea Competition Plus intake and exhaust