BMW Questions? Ask a BMW Repair Expert for Answers.
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The service engine soon light comes on to let you know that a fault has been detected by the engine/transmission computer.This can be a large number of different sensors or components on the engine or transmission that causes this issue here.What has to be done from here is to have the fault codes read out/checked to see what codes are set using a fully compatible scan tool or computer plugged into your vehicles data port.Once this is done any codes set then need diagnosed to help locate and repair this issue here.To then turn off this light or message a scan tool is used to "clear codes" which then turns off the light or message you see.
If the fault is not repaired the codes can still be cleared out to turn off this light but it may come back on again until the fault has been corrected.
To turn this off yourself you would need to purchase a scan tool that can read the engine computer to perform the clear codes function or see if a shop will just clear the codes for you.In some cases you can rent a scan tool from a local parts store to do this yourself.Unfortunately these are the only ways to correct this issue here.
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