E60 / E61 (2004 - 2010)
2010 N54 535xi
Hello all, Looking for some help here as I'm confused.
Last night my e60 got some new parts, vrsf downpipes, racewerks coil packs, and a new o2 sensor (Bank 2 cyl 4-6).
The MHD monitoring on my tablet is showing a huge spike in my AFR for bank 2 ONLY upon deceleration with zero...