bmw 318ti proximity sensor location
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=104112
Printed Date: July 13, 2025 at 11:07 PM
Topic: bmw 318ti proximity sensor location
Posted By: MM3STB
Subject: bmw 318ti proximity sensor location
Date Posted: April 19, 2008 at 9:35 AM
I am away to install a Clifford concept 300 into my 1995 BMW 318ti.
where would be the best location for the proximity sensor?
Thanks
Richard
Replies:
Posted By: howie ll
Date Posted: April 20, 2008 at 1:36 PM
Roof lining behind dome light fitting or adjacent gear shift or under rear ashtray. Roof lining is best, adjust before securing by turning pot to min then bring it up a fraction.
Posted By: MM3STB
Date Posted: April 20, 2008 at 3:48 PM
Howie strikes again. Everytime i post a question on this forum you allways reply. It's appreciated! where about in the roof lining would be best, in the middle? i was hoping to install it under the panel that houses the sun roof motor but looks a little cramped. what is the best way to test, just move about in the car and see if the alarm goes off? Richard
Posted By: howie ll
Date Posted: April 20, 2008 at 5:31 PM
Sorry, every other car I do these days is a BMW of one sort or another,yesterday, I did an '84 Mini!!! What a rotten piece of garbage, it cost the owner real money and he was spending over £1000 on the bodywork, threw a wobbly when I told him I replaced a door contact switch because it was rotten, glad I didn't mention the rest of it. Any way your suggestion is the best, its a squeeze, just drop it to the panel, there's no room to stick it to the roof motor; now read this:- take one relay, use the aux output that you can set to activate when you arm the alarm (grey/purple), feed it to 85, 12v+ at 3 amps to 87 and 86, 30 via two 1N40xx series diodes bars away from relay to lock and unlock. Set that aux to timer for 3 secs. This will deadlock the car when you arm the alarm but not when you ign autolock. If you take a second relay from the other aux (grey/blue), wire the same way but only feed to the lock wire and set it for 15 secs this will give you window and roof close whenever you hit the bottom right button.
Posted By: MM3STB
Date Posted: April 25, 2008 at 10:59 AM
Thanks Howie i managed to get it beside the sunroof motor under the sunroof switch. Do you think that will be ok? I know Proximity sensors are fussy about there location and being beside moving metal parts. Thanks for the advice for the deadlock and the window roll up. will give that a try further on down the line. just want to focus on getting the alarm in and working. Thanks again Richard
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