BMW OBD Codes: Meaning & Fixes
BMW: 20 error codes with meaning, severity, likely causes and repair cost estimates.
19Codes
2.8Average severity
16%High or critical
11%DIY-friendly
Severity distribution
Field data · BMW
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.
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P0174
Powertrain
The cylinder bank without cylinder 1 is running lean even with the maximum fuel correction…
Moderate
P0430
Powertrain
The bank 2 converter on a V6, V8 or split-exhaust engine isn't cleaning the exhaust well enough.
Low
P0171
Powertrain
The engine computer is adding the maximum extra fuel it's allowed on bank 1 and still sees…
Moderate
P0562
Powertrain
The engine computer sees too little supply voltage – usually a charging, battery or ground…
Moderate
P0014
Powertrain
The bank 1 exhaust cam won't follow its target and stays too far advanced; think oil, valve…
Moderate
P0016
Powertrain
The bank 1 intake cam and the crankshaft are out of step, most often from a stretched or jumped…
High
All codes (3)
P0016
Powertrain
The bank 1 intake cam and the crankshaft are out of step, most often from a stretched or jumped…
High
P0087
Powertrain
Measured fuel pressure has dropped well below what the engine computer is asking for.
High
P0217
Powertrain
The engine overheated. Stop driving: continuing can warp the head, blow the head gasket…
Critical