BMW Model E39 built from 1996~2000 will have a port like the one shown below.
A Reset tool like
a Peake R5 or R5-FCX
is needed to reset the oil service or inspection service lights after required
1) If you have
a reset tool then turn your car key to Position II but do not start the car.
2) Turn the cap counter clock wise on the Data Link Connector and insert the
3) Follow the instructions of your reset tool, different models may have different functions however they all create a short in PIN 7 to PIN 19 for a given amount
Reset requires pin 7 and 19 to be closed for 3+ seconds
Reset requires pin 7 and 19 to be closed for 10+ seconds
4) Once done, remove the reset tool and close the cap .
5) Your dash should light up with green lights at this point.
If the light did NOT reset after the above steps then you might be resetting
Oil Service however an Inspection Service is needed.