Alarm "HELP" please

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webby
Joined: Sat 09 Jul, 2005 15:32
Posts: 39

  Z3 roadster 3.0i
Location: leigh on sea

Alarm "HELP" please

Post by webby »

My alarm after a few minutes of it being set goes beeb for a few seconds then the hazard lights start to flash but alarm does not go off. Any ideas anyone? All doors and boot are shut properly.

If I lock door manually I don't get this problem. ????????? My car is a z3 3.0i. Reg 2000
henrycrun
Joined: Wed 18 Apr, 2007 19:48
Posts: 522

  Z3 roadster 1.9
Location: Ely

Re: Alarm "HELP" please

Post by henrycrun »

Can you describe your fob(s) ?
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BladeRunner919
Joined: Fri 17 Feb, 2012 20:18
Posts: 2225

  Z3 roadster 1.9

Re: Alarm "HELP" please

Post by BladeRunner919 »

It'll be the later alarm, ie not the huge fob.
webby
Joined: Sat 09 Jul, 2005 15:32
Posts: 39

  Z3 roadster 3.0i
Location: leigh on sea

Re: Alarm "HELP" please

Post by webby »

It's the one built into the key.

Does that help?
bertiejaffa
Joined: Fri 26 Jul, 2013 09:28
Posts: 1733

  M roadster S50
Location: Manchester

Re: Alarm "HELP" please

Post by bertiejaffa »

My M has a viper alarm fitted, but I am not sure if or how it is integrated into the OEM one - however it sometimes does the same kind of thing... Everything is shut and locked with the fob but the hazards flash. The fix I use on it is:

Open with the fob
Unlock the boot with the key
Lock the car again with the fob

Dont ask me why, but this works on mine
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webby
Joined: Sat 09 Jul, 2005 15:32
Posts: 39

  Z3 roadster 3.0i
Location: leigh on sea

Re: Alarm "HELP" please

Post by webby »

Do you need to do that every time?
gookah
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Joined: Thu 07 Aug, 2008 09:51
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  Z3 roadster 2.8

Re: Alarm "HELP" please

Post by gookah »

May be the bonnet switch, just try disconnecting it.
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bertiejaffa
Joined: Fri 26 Jul, 2013 09:28
Posts: 1733

  M roadster S50
Location: Manchester

Re: Alarm "HELP" please

Post by bertiejaffa »

webby wrote:Do you need to do that every time?
Only when it happens, usually the fob is fine and works for ages. I dont know why it happens in the first place
gookah wrote:May be the bonnet switch, just try disconnecting it.
bonnet switch??
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('_')Z3
Joined: Sun 21 Mar, 2010 19:29
Posts: 555

  Z3 roadster 2.0
Location: Lymm

Re: Alarm "HELP" please

Post by ('_')Z3 »

bertiejaffa wrote:
webby wrote:Do you need to do that every time?
Only when it happens, usually the fob is fine and works for ages. I dont know why it happens in the first place
gookah wrote:May be the bonnet switch, just try disconnecting it.
bonnet switch??

As you stand in front of your car it's located above your passenger headlight, it's a bit like a push switch black in colour
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webby
Joined: Sat 09 Jul, 2005 15:32
Posts: 39

  Z3 roadster 3.0i
Location: leigh on sea

Re: Alarm "HELP" please

Post by webby »

Thanks for help folks. I'm going to tackle the bonnet sensor tomorrow
bertiejaffa
Joined: Fri 26 Jul, 2013 09:28
Posts: 1733

  M roadster S50
Location: Manchester

Re: Alarm "HELP" please

Post by bertiejaffa »

('_')Z3 wrote:
As you stand in front of your car it's located above your passenger headlight, it's a bit like a push switch black in colour
cool.... whats it do?? The only bonnet switch I know of is the one that opens the bonnet??
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('_')Z3
Joined: Sun 21 Mar, 2010 19:29
Posts: 555

  Z3 roadster 2.0
Location: Lymm

Re: Alarm "HELP" please

Post by ('_')Z3 »

bertiejaffa wrote:
('_')Z3 wrote:
As you stand in front of your car it's located above your passenger headlight, it's a bit like a push switch black in colour
cool.... whats it do?? The only bonnet switch I know of is the one that opens the bonnet??

Presumably stops anyone from lifting the bonnet to tamper with anything without the alarm going off
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Robert T
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Joined: Mon 12 Jun, 2006 10:35
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  Z3 roadster 1.9
Location: Cheshire

Re: Alarm "HELP" please

Post by Robert T »

Interesting, as I have the later alarm on mine and it has never beeped. It either sounds properly or not at all. The LED flashes to indicate a sensor problem. Locking with the key does not set the alarm (the immobiliser is separate and arms itself when the key is removed from the ignition).

You need to check all the sensors. Doors, boot, bonnet switch, stereo anti-theft switch, interior movement sensors, and tilt switch. The latter is in the boot behind the left-hand trim in the bottom of the well - the don't like getting wet.

Cheers R.

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Jonco
Joined: Sat 04 Jun, 2011 07:24
Posts: 402

  Z3 roadster 1.9
Location: Cheshire

Re: Alarm "HELP" please

Post by Jonco »

('_')Z3 wrote:
bertiejaffa wrote:
('_')Z3 wrote:
.......... The only bonnet switch I know of is the one that opens the bonnet??
Presumably stops anyone from lifting the bonnet to tamper with anything without the alarm going off
Agree with RobertT's comment - if you are looking at bonnet switch this may help http://www.zroadster.net/forum/viewtopi ... 18&t=15166
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