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BMW error codes

BMW error codes

In this post you will learn what are the most common BMW fault codes.

We present a list of 10 commonly searched OBD II codes and a reference to their descriptions.

BMW is renowned for iconic design and unrivaled reliability on the road. Owning a BMW car is not only about investing in the purchase but also understanding the most common challenges this brand faces when it comes to performance on the road and preventive maintenance. Among the most common problems of these cars, reflected in a series of fault codes, are BMW’s problems with oil leaking, transmission and overheating.

Three most common problem of BMW cars

Admittedly, one of the most well recognized and trusted car brands in the world do have problems that need to be repaired or just need to be taken into account for better maintenance. There are three most reported problems for BMW cars:

Overheating of the engine

BMW’s engine cooling system issues are common for the brand and among the causes that you need to look after are coolant leaks, faulty water pump or another basic issue that needs to be addressed in time.

Oil leak problems

Oil leaks are common and they usually are a result of leaky valve cover gasket or a failed fuel pump.

Transmission issues

Rough gears changing is only one of the signals for problems with transmission. This type of problem might be caused by low transmission fluid, clogged transmission filter, warn our transmission clutch etc.

In the table below, Jerry, a license insurance engine, have listed a good number of BMW models with their specific maintenance and repair problems:


Starting price

J.D. Power reliability rating

Most common problems

Years to avoid




Engine stalling, leaking sunroof, overheating engine, transmission problems

2001, 2002, 2006, 2008, 2009, 2011, 2012, 2013




Timing chain issues, engine oil leak, damaged engine mount bolts

2007, 2013, 2014, 2017, 2019




Fuel system failure, overheating engine, electrical issues

2002, 2003, 2007, 2009, 2010, 2011




Faulty transmission, faulty cooling system components, loud engine noise

1999, 2002, 2004, 2005, 2008, 2011, 2012




Engine rattle, overheating engine

2007, 2008, 2009, 2011, 2013

SOURCE: https://getjerry.com/car-repair/common-problems-with-bmw

The Top 10 Searched BMW Fault Codes

The page BMW Fault Codes contains the top 10 searched BMW P and hex fault codes using this site.


BMW output error codes are in Hex format. Usually your tool would read the HEX format and convert it. If you want to cross reference your codes you might need to use this website where you can easily do that: https://bmwfault.codes/.

Here’s a list of the most commonly search error codes and references to their definitions on OBD2PROS website:

Related codes


This trouble code is related to Valvetronic Supply Voltage Control Motor High Input.


System Too Lean Bank 1


The trouble code P11C5 relates to the crankshaft position actuator.


This fault code is a generic fault code; some cars may change the meaning of this fault code.


Catalyst System Efficiency Below Threshold (Bank 1)


Trouble code P0174 proper definition is that your “system is too lean.”


P0300 Random/Multiple Cylinder Misfire Detected


P0015 is an OBD-II Code that refers to Camshaft Position “B” – Timing Over-Retarded (Bank 1)


The definition of trouble code P0012 is “Camshaft Position A – Timing Over-Retarded (Bank 1).”


The trouble code P1250 is related to the turbocharger system.

Other Common BMW Error Codes and their definitions

Among the other common error codes, manufacturer specific are:


A P1400 code is a manufacturer specific trouble code referring to failure for the Emissions Reduction Control System when performing a cold start.

P0101 Code

This OBD-II code P0101 alarms that the signal from the mass air flow (MAF) sensor is either too high or too low.


If your vehicle shows a P0036 code, that means that here is a Heater Oxygen Sensor Control (HO2S) issue.

BMW error codes

Check Error Codes With BMW Scanners

Understanding the most common problems of the BMW brand and reading the fault codes is essential for good maintenance of your vehicle and your safety on the road. You might want to consider choosing a specific for the car manufacturer diagnostic scan tool to do the job. In this list – https://obd2pros.com/scanners/bmw/ we have picked 5 Best BMW scanners based on performance, cost, and compatibility.