Now it is very important to understand that although it says check engine the problem may not be with your engine.
Check engine light on bmw.
For example one of the more common reasons for the light to come on is a faulty gas cap.
Turn on ignition by pressing the start button without pressing on the brake pedal.
Plug scanner into the obd2 port.
Write down the.
Intermittently a check engine light cel may be illuminated on i3 rex vehicles without a relevant fault code stored.
The connector may have a removable cover.
When you see the check engine light illuminated in your dash it means your bmw has detected a problem within its obd system.
It is an erroneous display and it s not affecting drivability emissions or.
The check engine light is part of the onboard diagnostics obd system in your bmw.
Press read enter to read codes from dme module.
The port is under the dash on the driver s side.
Allow the scanner to turn on.
Your check engine light is design to monitor and turn on when it detects a fault with your bmw s emissions system.
There are many reasons why the check engine light might come on in your bmw but not all of them are serious.
When retrieving bmw check engine light codes with an obd ii scan tool proceed as follows.
One of the most commonly misunderstood lights or indicators in your bmw x3 is the check engine light.
Connect scan tool to the 16 pin data link connector dlc located underneath the steering column.
While the light says check engine the reality is that it could be 100 different things that are triggering the fault causing the light to go on.
It can say check engine it can be a symbol of an engine it can even be a combination of both.
There are numerous reasons that could trigger a fault and cause the check engine light to turn on.
Locate the diagnostic port on your bmw.
The check engine light is designed to monitor any defects and turn on when it detects a fault in your bmw s emissions system.