High-quality Catless Downpipe for BMW G32 GT 640i, 640iX models with B58 engine.
Our 4.5-inch design minimizes exhaust gas restrictions as much as possible, improving both the sound and the power output of the B58 engine.
Does not fit models with GPF / OPF.
FITS THESE BMW MODELS:
BMW 6 Series: G32 GT [2017-2020]
640i (250kw / 340hp) – B58
640iX (250kw / 340hp) – B58
Note: If your model is not listed here, look for it under another product. If you cannot find your model anywhere, contact us for assistance.
SPECIFICATION:
• Quality stainless steel (SS304)
• Downpipe diameter: 4.5″ (114mm)
• Flange to turbine diameter: 134mm
• Connection to exhaust (stock): 80mm
• Two sockets for lambda (oxygen) sensors
OEM reference part numbers: 18327643152, 18328631625, 18328684788, 7643152, 8631625, 8684788