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Service interval indicator and inspection reset E30

October 29, 2012

Contrary to popular belief you do not need a reset “tool” to reset the service indicator and inspection lights on your dash. All you need is a simple piece of wire (strip both ends):

This wire will act as a jumper wire between two terminals. Some people suggest using a wire with a fuse in the middle, but mainly this is only to protect you from jumping the incorrect wires. If you do this correctly shouldn’t be a need for a fused wire, but its upto you.

Location of diagnostic plugs:

Fused wire:


Or you could do it with needle nose pliers like this:


Take this piece of wire and jump these two pins.


Determine orientation of pins you need to jump by the direction of the “pac-man”. This style is the later diagnostic plug style (most common).

Early E30’s came with plugs like below.


After Jumping the wires put the car into accessory mode (one click past radio mode, but not all the way to start the car). After 3-4 seconds you will reset service light indicator. If you wait 6-7 seconds you will also reset the inspection light.


2 Responses to Service interval indicator and inspection reset E30

  1. Tune-Up! | My E30 Blog on February 20, 2015 at 1:34 pm

    […] Also I reset my service indicator using this basic tutorial: Here. […]

  2. kaotik on August 17, 2016 at 6:07 pm

    great site
    got a question

    tried it on my e3O M3 86
    has the pacman version, but nothing happened

    used nose pliers, but possilbly not deep enough


    how to set the clock, it blinks to 0 each time i start the car


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