Factory Fit Immobiliser removal
Moderator: martauto
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Petrolthreads
- E30 Zone Newbie

- Posts: 129
- Joined: Sat Dec 26, 2009 11:00 pm
Does anybody have any experience or advice on how I can get rid of this system, the circuit board has a loose connection and so it won't start on occassion, I can't find a replacement so I'm hoping to find someone to strip it out?
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Brianmoooore
- E30 Zone Team Member

- Posts: 49360
- Joined: Mon Jan 10, 2005 11:00 pm
The OEM immobiliser is connected to the ignition feed to the engine only, and connects via a white two pin socket with two plain green wires going to it, and can be found behind the glovebox inspection panel.
The immobiliser plug fitted into this socket will have a green/red and a plain green wire. This should be unplugged, and replaced by a similar plug, fitted with a loop of green wire, which will be found tied to the loom nearby IF the immobiliser really is OE.
If no plug is present, then cut the green and green/red wires a couple of inches from the plug, join them together to form a loop, and refit the plug into the socket.
All other wires associated with connecting the alarm/immobiliser to the car can simply be unplugged, and the redundant wiring removed.
The immobiliser plug fitted into this socket will have a green/red and a plain green wire. This should be unplugged, and replaced by a similar plug, fitted with a loop of green wire, which will be found tied to the loom nearby IF the immobiliser really is OE.
If no plug is present, then cut the green and green/red wires a couple of inches from the plug, join them together to form a loop, and refit the plug into the socket.
All other wires associated with connecting the alarm/immobiliser to the car can simply be unplugged, and the redundant wiring removed.
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Satan
- Old Skooler

- Posts: 2491
- Joined: Thu Nov 16, 2017 11:00 pm
- Location: Formally SexyLady and Diable
Are you handy with a soldering iron as maybe a repair would be enough?
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aimlessrock
- E30 Zone Squatter

- Posts: 1821
- Joined: Sun Dec 06, 2009 11:00 pm
- Location: Manchester
i ended up getting an auto electrician out (some years ago), i had the factory fit cabby immobilizer, plus a second cat 1 that the last owner had fitted- i had them both removed.
E30 320i Convertible (1989)
190 Mercedes (1988)
"there is nothing more expensive than a cheap E30"
190 Mercedes (1988)
"there is nothing more expensive than a cheap E30"
