There are between 4 and 10 micro switches installed in your convertible required to run your top.
Bmw z3 electric roof micro switch.
Inspect the micro switches.
If so the z3 has known issues with faulty micro switches.
Many thanx thanx kindly for all the replies the switch is in the front centre console it is a very late 2 8 built july 97 and not an m i will look in the boot for the motor.
Reading these common bmw z3 problems should help you find out what is wrong with your bmw z3 or just what to.
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Bmw z3 hood micro switch replacement article submitted by g8jka after having intermittent problems with the electric roof on my zed and identifying the problem to be a faulty microswitch i decided i would finally cure the problem and replace the switch.
If you are not getting any current at the hydraulic motor you may have an electrical problem or a defective switch.
Can anyone comment on this please.
I have an electric hood switch in my 97 z3 2 8 roadster but the manual only mentions manual hood operation and the hood is manual.
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Every time you press the convertible switch you should read between 11 13 volts at the pump.
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Try a good squirt with some electrical cleaner first covering the area around with a cloth.
The most likely cause is the small micro switch located near the top fold on the left side.
You have to push the roof slightly open to activate the electrics and that opens this switch.
The roof is known for leaking where it connects with the front window.
It is a fairly simple job but does require a little modification from the old switch to the.