FTP Motorsport B58N Charge Pipe - M340i / M440i (2025+)

B58 Charge Pipe Install: Gen 1 F-Chassis vs Gen 2 G-Chassis and the GR Supra

The B58 charge pipe runs from the turbo outlet to the throttle body. Swapping it is a top-side job on most cars: pull the intake, unclip the pipe from the turbo, unbolt it from the throttle body, move the sensors and O-r

B58 Intercooler Install: Heat Exchanger Upgrade for Gen 1 F-Series, Gen 2 G-Series and the GR Supra

Every B58 uses an air-to-water intercooler. That includes the Gen 1 F-series BMWs, the Gen 2 G-series BMWs and the GR Supra. The intercooler itself sits inside the intake manifold, and a small radiator up front, called t

Best B58 Mods, In the Order to Do Them

Start with a tune. It is the biggest gain per dollar on any B58. Then add a downpipe and a Stage 2 map, then an upgraded high-pressure fuel pump (HPFP) and an ethanol blend. Only after that should you think about a bigge