Warning buzzer when driving

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thecatisonmydesk
Joined: Thu 18 Jul, 2013 19:29
Posts: 15

  Z3 roadster 2.8

Warning buzzer when driving

Post by thecatisonmydesk »

Our Z3 is a '99 2.8 auto.

Driving along yesterday at a normal A-road speed and the radio went off and a warning buzzer sounded about 10 times, then the radio came back on. Nothing else before or since, and no accompanying warning lights.

Any ideas what it might be trying to tell us? The oil is at the full mark and the car was only serviced about 2000 miles ago.
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Robert T
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Joined: Mon 12 Jun, 2006 10:35
Posts: 10136

  Z3 roadster 1.9
Location: Cheshire

Re: Warning buzzer when driving

Post by Robert T »

The buzzer is likely to be the headlight warning buzzer which sounds when you turn off the ignition with the headlights still on. It sounds like at least part of the car has lost power momentarily. I start by checking the battery terminals are clean and tight and then look at some of the wiring behind the dash, looking for chafed wiring. There is a recent thread on here with someone who's instruments and radio were playing up and he traced it to behind the instrument cluster.

Cheers R.
Arctic Silver '99 Z3 1.9 & Black '59 Frogeye 1275cc
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thecatisonmydesk
Joined: Thu 18 Jul, 2013 19:29
Posts: 15

  Z3 roadster 2.8

Re: Warning buzzer when driving

Post by thecatisonmydesk »

Thanks. Battery terminals are OK, so will try and get my head under the dash tomorrow.
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Robert T
Site Admin
Joined: Mon 12 Jun, 2006 10:35
Posts: 10136

  Z3 roadster 1.9
Location: Cheshire

Re: Warning buzzer when driving

Post by Robert T »

Managed to find the thread for you:

http://www.zroadster.net/forum/viewtopi ... 63#p331763

Welcome to the forum BTW.

Cheers R.
Arctic Silver '99 Z3 1.9 & Black '59 Frogeye 1275cc
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motco
Joined: Tue 18 Aug, 2009 18:12
Posts: 722

  Z3 roadster 2.2i

Re: Warning buzzer when driving

Post by motco »

Do you mean 'buzzer' or is it an electronically generated tone: 'beep'. If so it could be the tone that sounds off when the RDS signal is lost. My radio behaves in exactly this way when I stray into poor signal areas with TP on.
cressy55
Joined: Sun 29 Aug, 2021 19:35
Posts: 1

  Z3 roadster 2.8

Re: Warning buzzer when driving how to check behind dash

Post by cressy55 »

thecatisonmydesk wrote: Fri 19 Jul, 2013 21:33 Thanks. Battery terminals are OK, so will try and get my head under the dash tomorrow.
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