BMW Common Problems & OBD2 Codes
Complete repair database for all BMW models. NHTSA complaint data, OBD2 code guides, and DIY cost comparisons.
Browse by Model
3 Series
2000-2024
5 Series
2000-2024
X3
2000-2024
X5
2000-2024
7 Series
2000-2024
X1
2000-2024
M3
2000-2024
X7
2000-2024
Most Common OBD2 Codes for BMW
P0101
Mass Air Flow (MAF) Sensor Circuit Range/Performance
DIY: $10-$120
P0171
System Too Lean (Bank 1)
DIY: $10-$120
P0174
System Too Lean (Bank 2)
DIY: $10-$120
P0300
Random/Multiple Cylinder Misfire Detected
DIY: $40-$200
P0301
Cylinder 1 Misfire Detected
DIY: $30-$150
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