New battery causing issues

Hi all, I have a 2004 2.2i Z4 and have just replaced the old battery. My problem now is several electrical faults have occured:
1 - The indicators work outside the car but don't appear on the instrument cluster
2 - Same with the High-beam
3 - If you get out of the car and leave your lights on, you don't get the warning beep
4 - The central-locking doesn't work
I've checked all the relevant fuses and they appear to be fine.
Anyone out there experienced this issue?
Paul
 
You have posted this in the E89 section so may not get all the views you hope for, however I agree the first step is to retry the battery.

Do you have any warnings on the dash?
This sounds like the K-Bus which connects several modules may have got itself in a muddle.
Make sure all the lights etc are switched off before you try the battery again.

If it doesn't work then next step has to be............................. you guessed it................. Get the codes read. :D
 
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