A little clock has appeared on the service lights

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Ackers
Joined: Mon 15 Mar, 2004 17:16
Posts: 11

  Z4 roadster 3.0i
Location: Southampton

A little clock has appeared on the service lights

Post by Ackers »

Does anyone know what the little clock just above the service indicator lights on the dashboard means. It popped up on mine a day or so ago. No apparent problems anywhere else as all other warning signs are off.
///M_aniac
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  M roadster S50
Location: Belfast

Post by ///M_aniac »

Brake fluid change required.

No problem. Just wait until your service and get it done then.

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Ackers
Joined: Mon 15 Mar, 2004 17:16
Posts: 11

  Z4 roadster 3.0i
Location: Southampton

Post by Ackers »

thanks, the next service is a way off, so i may pop in and get it done sooner rather than later
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SpunkyM
Joined: Mon 08 Mar, 2004 18:26
Posts: 1142

  M roadster S54
Location: Harrogate

Post by SpunkyM »

It doesn't mean anything is wrong with your car so there really is no rush. It's simply done on a time basis - brake fluid is supposed to be replaced every few years as it starts to absorb moisture from the air over time and loses some of it's performance.

Don't worry - your brakes won't suddenly fail or go bad. Just wait until next service and make sure they include it.
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atarijagman
Joined: Mon 24 Sep, 2007 18:15
Posts: 4

  Z3 roadster 2.8
Location: Horsham

Post by atarijagman »

I just had the little clock appear on my Z3 and wondered what it meant.
Nothing serious by the sounds of it.

Richard.
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BimBeema
Joined: Sun 16 Oct, 2005 22:55
Posts: 1753

  Z3 roadster 2.2i
Location: London

Post by BimBeema »

Isn't it for both Brake Fluid and Coolant replacement? either way I think you can wait safely til next service.
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Justin Time
Joined: Thu 22 Jun, 2006 20:34
Posts: 2183

  Z3 roadster 2.0
Location: Kent

Post by Justin Time »

yes bim, this has cropped up on my Z now, for both. Not major issues, however together they cost about £300 to have done at a dealership.
BMW Z3 2.0L Velvet Blue Individual Edition
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Read About It!

Post by Guest »

Have a look in the Owners Handbook, which is full of interesting information, including this one. You don't have one? Go and buy one - you won't regret it.
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mich
Joined: Wed 16 Feb, 2005 05:53
Posts: 824

  Z3 roadster 3.0i
Location: King Country
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Re: Read About It!

Post by mich »

Mike Fishwick wrote:Have a look in the Owners Handbook, which is full of interesting information, including this one. You don't have one? Go and buy one - you won't regret it.
:D Ha Ha, You made my day Mike, :D I wonder at times why manufactures bother with Owners Handbooks, :D it is amazing what you can find in them :rtm: :rtm: :D :D
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Ackers
Joined: Mon 15 Mar, 2004 17:16
Posts: 11

  Z4 roadster 3.0i
Location: Southampton

Post by Ackers »

good to see sarcasm isn't dead.
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100GRA
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Joined: Mon 15 Aug, 2005 19:06
Posts: 353

  Z3 roadster 2.8
Location: Sheffield or Pickering

Post by 100GRA »

Spot on, Mike and Mich!

For the record (and this is without even referring to my owner's handbook), I believe it's every two years for brake fluid, every three years for coolant.
freelandm
Joined: Wed 16 Jan, 2008 09:42
Posts: 109

  M roadster S50
Location: Huddersfield

Post by freelandm »

SpunkyM wrote:It doesn't mean anything is wrong with your car so there really is no rush. It's simply done on a time basis - brake fluid is supposed to be replaced every few years as it starts to absorb moisture from the air over time and loses some of it's performance.

Don't worry - your brakes won't suddenly fail or go bad. Just wait until next service and make sure they include it.
I think you will find that heat is the major problem to brake fluid.. It's hydroscopic also but the heat is the main problem..

Sorry for being anal and please do correct me if i am talking OOMA anyone.

Matt.
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Heat

Post by Guest »

It's the moisture being absorbed into the fluid which is the basic problem, then the heat - as the fluid is heated to 100 degrees C the moisture, which has been absorbed into the fluid, seperates and boils, so forming compressible bubbles of steam which reduce the line pressure.

It's a real problem for those who do not replace their pads unti lthe warning lamp comes on, as the pads are then so thin they cannot absorb much heat, and pass it on into the piston, and then the fluid.
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