HKS Air Fuel Knock Amp AFK Wideband Controller New Arrivals 230i BMW 2-Series (F23) 2014-2021

230i BMW 2-Series (F23) 2014-2021 Convertible All models including 220i

but like any exposed metal

protective shine

not suitable for Model S/X

HKS Air Fuel Knock Amp AFK Wideband Controller New Arrivals 230i BMW 2-Series (F23) 2014-2021HKS 44006 AK003 Air Fuel Knock Amp AFK Wideband Controller Redesigned for 2008, the all new generation of the A F Knock Amp, known as the AFK, now includes a new HKS AF sensor where the air fuel ratio can be monitored accurately on the display. The AFK can now monitor and display dual A F readings with the purchase of an additional AF sensor. The redesign of the new AFK features a sleek black case with a clear acrylic faceplate and a positive lit LCD