e30

3000-6500

Codes popped up shortly following battery complete death & replacement. Active codes: 2BC0 Mixture control, fuel air mixture too lean - 36FD DME main relay, plausibility, prematurely dropped out - 387C Power management, battery total discharge (cleared and shouldn't come back) - 3887 vehicle voltage, working area: voltage too low (cleared and shouldn't come back) Shadow codes: 2C42 Mixture control, multiple fault - 2D45 Valvetronic, adjustment range, stop not taught in due to ambient conditions Notes: Driving, I can see small spikes in the AFR from 14.7 to 16.2 occasionally