Manufacturer-Specific Diagnostic Codes List

Learn why BMW P0174 usually points to intake air leaks, not fuel pump failure.

BMW P1130 indicates fuel mixture correction limits have been exceeded.

BMW P0300 often results from ignition coil failure or lean conditions.

BMW P0015 is commonly caused by VANOS or oil-related issues.

Learn why BMW P0012 usually points to oil or VANOS system problems.

BMW 2A82 indicates intake VANOS solenoid failure or oil contamination.

Learn why BMW 2A87 often results from oil or solenoid issues.

Learn what BMW shadow codes mean and why they matter for diagnostics.

BMW 2E8E commonly appears after battery replacement without registration.