B58 Gen 1 & Gen 2 port injection intake manifold for BMW M340i G20, 340i F30, Supra A90 - RK Autowerks

RK Autowerks billet aluminium B58 port injection intake manifold for Gen 1 and Gen 2 B58 engines. Fits F30/F31/F32/F33/F36 340i/440i, G20/G21 M340i, G29 Z4 M40i and A90 GR Supra.

Features integrated 40% larger charge cooler core for reduced heat soak, sharper throttle response and stable E85 fuelling at 500-700+bhp. Includes fuel rail, maintains OEM oil filter access.

• Six 1/8 NPT meth/nitrous ports + three auxiliary sensor/vacuum ports
• CNC machined and welded in Texas - billet construction for track day or fast road use
• Gen 1 or Gen 2 B58 fitment - select correctly at checkout