2003 2.5i, yellow brake light, DSC, and tire pressure lamps on hot days

Pondy said:
I was quoted over £900 for both sensors for my Z3 from BM|W (new obviously).
Managed to find both second hand but still paid over £300 for the pair.

I would imagine the Z4 ones are very similar as my car has DSC.

And, yes, mine were both knackered from swimming in water!
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There's only one in the Z4.
They only seem to fail when they get wet, so a dry secondhand one should suffice.
 
I suggest getting the battery tested, if they go off after shutting car off and turning back on the next day it’s most likely a voltage imbalance from a failing battery. If the battery is healthy check the faults, either wheel speed sensor or pressure sensor issue.

I had the same issue on my ‘03 z4. Those 2 lights would come on but go off after car sat for a while. New battery, cleared faults, and the lights never came back on.
 
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Gregory_tolson said:
If the battery is healthy check the faults, either wheel speed sensor or pressure sensor issue.
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tkvoice said:
The inpa error says:

5E30 Querbeschleunigung Sensor elektrisch defekt

Which translates to:

5E30 Lateral acceleration sensor electrically defective


... So CoPilot is probably hallucinating. (how can error 5E30 be pressure sensor #1) When the direct translation says "lateral acceleration sensor"?

Where do I go to find authoritive source for error code 5E30?
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enuff_zed said:

View attachment 295615
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