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  1. BMW 3T alarm system

    Items WANTED - Post any wanted adverts in here
    I need a spare siren unit for a 3T alarma system. Anyone got one knocking about they dont need? Thanks
  2. e36- 3T (M30) immobiliser issue after flat battery

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi Guys, My car is driving me mad, i have a 1998 e36 328i and i let the battery run very flat over winter. I have fitted a new battery to the car but i don't seem to be able to 'mobilise the car', all the electrics work on the car (including central locking) appear to work. I have tried...
  3. E36 Sigma SG / 3T car alarm wiring

    Auto Electrical Forum
    Does anyone have a wiring diagram or schematic for a Sigma SG / 3T alarm? I'm rewiring my 1995 M3 after a cabin fire and this is the last piece of the jigsaw.
  4. E30 320i convertible, 3T alarm info needed

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi all, I'm new to this forum, so hope someone can help. I have a 1990 320i convertible which was fitted with a 3T alarm system in 1997. I purchased the car last year but am a bit puzzled with the alarm. The alarm functions as the instructions suggest, the indicators flash, the siren beeps, and...
  5. 3T Sigma fob Lost (Alarm Armed) - need help!

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi, As the title says, i had the one button black BMW AC38 type fob (for the sigma 3T alarm) for over a year since owning the car, it had the corner cut off so was unable to attach to a keyring, but the inevitable happened and I've finally lost it, whilst armed!... I've removed the fuses for...
  6. e34 3T alarm control unit location

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi folks Not posted for ages as im enjoying the new forum more now tbh but hoping someone can help me out Does anyone know where ill find the above module in my 1995 e34 520? Ive got the glove box out, the front passenger side carpet up and the rear seat bench as well. Im not 100% sure what...
  7. e36 3t alarm problem

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    hi guys can any body help my car wont start. story so far... battery went flat last weekend. recharged, refitted, car wont start. been having issues with it not starting for a while now but ussually after stting then unsetting the alarm it will start. now engine spins over but wont start...
  8. 1993 E36 318is, 3T alarm immob problem.

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Ok so long story short replaced clutch today, disconnected and reconnected battery nw alarm is working but not sounding. Used to beep one time for disarmed an 4 times for disarmed, indicators flashing but no sound.
  9. 1996 E36 318ti, 3T ews alarm

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    my alarm was shut off by previous owner i have no idea why. if i start fiddling to try make it work is there a possibility the car will become immobilised and i wont be able to drive it? also i cant work out how they shut it off because all wiring seems to be intact and fuses are fine. he told...
  10. 1996 E36 320i - 3T Alarm Fob question

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    Hi, Ive a 1996 320i wiuth the BMW 3T alarm with the single button key fob. The car starts and drives fine and has done for the past 2 years. I was given the genuine remote for the alarm however the button was missing but you could still press the white button. My question is, although it was a...
  11. 1996 e36 320i 3t ews imobilizer bypass

    Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
    can anyone help i have a 3t ews alarm fitted to my car and the car intermittently wont start. resetting the alarm then disarming it 2 or 3 times usually works but sometimes its 9 or 10. i am an ex bmw mechanic some 20 years ago and specalised in electrics and alarms but prior to e36 models. i...
  12. 1995 E36 328i 3T alarm remove and replace

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi All. Is it possible to disconnect or disable the 3T alarm/immobiliser system on my 328i E36 Coupe without disrupting the EWS II system. I don't see the point in spending alot of £ at the main dealer to repair the 3T as I have seen it causes alot of problems as it ages. I wish to install an...
  13. 1994 E36 M3 3t alarm non starting(FIXED)

    BMW 3 Series Forum - Technical Talk on the BMW E21
    94 3.0 M3, BMW immobiliser, changed batteries, on reconnection it won't start? All lights up but wont un-immobilise Anything obvious to check?? Key fob = one button not 2, siren under bonnet says BMW 3T So the advice I've found on web for BMW 3G EWS doesnt seem to be applicable Any help...
  14. E36 Alarm Identification Guide - 3T, 2T, 3G EWS

    Technical Guides for the E36, E30 and E21
    E36 & E34 Alarm Identification & Faults Guide - GR40, 2T, 3T, 3G EWS BMW E32, E34 & E36 Immobiliser and Alarm Identification & Faults Guide - GR40, 2T, 3T, 3G EWS (Sigma, Gemel, Serpi Star) EWS I, EWS II My aim is to post all the confirmed knowledge about the immobiliser and alarm systems...
  15. 1996 328i e36 coupe, 3t alarm problem.

    BMW 3 Series Forum - Technical Talk on the BMW E21
    Hello all, I recently bought my 328i Sport, but only recieved one key wth it. No alarm fob. A buddy of mine had a similar experience but simply bought a fob, took the glove box out and flicked a switch on the alarm box. Unfortunately, my box of tricks looks different and doesn't have this...
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