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Faults, Fixes and DIY Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix!


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Old Sat, Apr-16-2005, 11:17:13 PM   #1
MMMMMM 3
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Default Oil Service Light Reset Without Tool!!!

I got ticked off when two of my local BMW dealerships told me they don't reset oil lights for home oil changes.

So I did a little digging on the internet and found this site...

http://www.unofficialbmw.com/e36/ele...ce_lights.html

This guy explains how to make a reset tool with $5 worth of parts.

I took it one step further and made it work with a 6" piece of copper electrical wire (the kind you have running through the electrical conduit in your house). Unbelievable but true, it worked on my '99 M3!!!


On the 20 pin data ports, the sequence is important other wise it won't work (trust me it took me a few tries):

1) Put key in and turn to position 2 (Ignition - where all the dash lights come on but the starter is not engagaed).

2) Under the hood. Open you data port and use the piece of wire to make a connection between pins 7 - Service Interval Pin, and pin 19 - Ground (see the link above for a pinout diagram and table). Hold the wire there for over 3 seconds for an Oil reset. Hold the wire there for over 11 seconds for an Inspection reset.

3) Put the data port cap back on.

4) Turn the key to position 0 (off).

5) Turn the key back to position 2 (Ignition) and the lights should all be green.

And by not buying a reset tool, you just paid for you next oil change!!!
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Old Sat, Apr-16-2005, 11:40:08 PM   #2
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this sounds like a disaster waiting to happen
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Old Mon, Apr-18-2005, 06:58:21 PM   #3
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I know you can do it on a e46 with only the cluster buttons & the key...I'm sure there is a similar procedure for the e36...

I'd be very hestitant about shorting electrical connections to the ecu out...

you might let all the magic smoke out of the wires...lol
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Old Tue, Apr-19-2005, 03:00:02 AM   #4
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Quote:
Originally Posted by ArtM3
I know you can do it on a e46 with only the cluster buttons & the key...I'm sure there is a similar procedure for the e36...

I'd be very hestitant about shorting electrical connections to the ecu out...

you might let all the magic smoke out of the wires...lol
Granted it was a major gamble on my part, and I did start to worry the first couple of times when I didn't do it in the right sequence and the lights didn't reset. But when I got the sequence right, it worked like a charm. Just make sure you get the right two pins. If you are not comfortable with electronic wiring then don't even think about doing this.
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Old Tue, Apr-19-2005, 12:22:29 PM   #5
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Quote:
Originally Posted by MMMMMM 3
Granted it was a major gamble on my part, and I did start to worry the first couple of times when I didn't do it in the right sequence and the lights didn't reset. But when I got the sequence right, it worked like a charm. Just make sure you get the right two pins. If you are not comfortable with electronic wiring then don't even think about doing this.
I'm an electrical engineer with 20+ years of experience...and it STILL makes me nervous...lol
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Old Fri, Nov-23-2007, 10:34:25 PM   #6
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the paperclip absolutely WORKS. Just did it today. follow procedure above and you will be in the green.
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Old Fri, Dec-14-2007, 08:34:48 AM   #7
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I use a test light, works the same.. only far the cars w/ 20pin connectors though.

Anything later you do it via cluster.
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Old Tue, Dec-18-2007, 06:56:19 PM   #8
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just made my own and worked, had to find a good ground but 3rd time was a charm
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Old Tue, Dec-25-2007, 05:39:10 PM   #9
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I've used this same method on my E36 and also on the wife's E34. No problems.
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Old Fri, Oct-17-2008, 04:09:04 AM   #10
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I tried this tonight using the 7 to 19 pin to ground it as well as grounding it to the frame and nothing worked. I would of been better off sprinkling magic dust on it cause this is totally bogus.
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Discussing Oil Service Light Reset Without Tool!!! in the Faults, Fixes and DIY Forum - Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)