HKS Air Fuel Knock Amp AFK Wideband Controller New Arrivals Refer to your service manual

Refer to your service manual for the proper coolant type and refill capacity to use when reassembling

Do I need special hardware to install this

so no prep work is needed

Paint will age naturally

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

HKS Air Fuel Knock Amp AFK Wideband Controller New Arrivals Refer to your service manualHKS 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