Question about 1998 BMW Z3 Roadster

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BMW Z3 OBC/Clock Dispay "PPP" but nothing else

Hi, I has been jumping around the net looking for an answer on the "PPP" message displayed on the OBC/ Clock of my 1998 Z3 2.8 Liters.
Since I have removed the battery ( in order to perform a ordinary clean up to the trunk) the Display just shows continuously the "PPP" message and never goes off ( does not matter if the car is On or Off).
My OBC / Clock does not have any reset button ( at least visible from the exterior) but only two Buttons ( S/R and the Clock).


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  • renanbm_007 Nov 22, 2008

    I have the same problem

    I don´t know how to solve this

    ´95 318 ti

    The OBC don´t have an reset button, i´ve already seen it

  • Anonymous Dec 29, 2008


  • Anonymous Feb 01, 2009

    Same problem on a 1998 323 Ti M

  • Anonymous Apr 25, 2009


  • Centre Mecanix
    Centre Mecanix Jun 08, 2017

    so is there any fix or where can i replace it because dealer wants 430$ for piece



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Posted on Jun 12, 2017


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a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
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SOURCE: 2000 BMW Z3. When it rains and my car is parked

I had this same problem - 2 things to check:
Most likely it's the 3rd brake light - check the seal on the inside (you need to remove the black plastic cover inside the boot lid to be able to see - this has 4 or 6 little tabs that hold it in place and break very easily, so take care as you remove it. I suggest using a blunt knife or similar to ease it out). I had mine replaced not that long ago and as far as I can recall they're pretty inexpensive.
Also check the rubber seal that goes all the way round the boot opening, make sure it's attached all the way round and has no defects.
Hope that helps!

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SOURCE: 1996 BMW Z3 trunk wont open with key

It may be that the rod from the lock tumbler to the latch may have come loose.

Posted on May 27, 2010

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