battery drain draw test done - what next

[JM2012]

Hi guys,

I have had a battery drain issue with my car, e30 325i touring and having done a draw test I have managed to single out the fuses as 21 and 28.

Looking at the manual the list of possibilities it could be linked to these are quite numerous so looking for advice as how to go about eliminating things.
I did notice that in the manual the fuse 28 states two items including " Radio-power antenna(also see fuses 12, 21, 27)"
So would it be a good assumption that the cross reference between fuse 21 and 28 indicates that to be the culprit?
If so, how do I go about eliminating that one first?

Apologies if it is an easy task but I am not overly au fait with these things.


Kind Regards,

Jon

[Stefan on probation]

28 is the Cig lighter usually spliced for other stuff,

I have one of these that I used to test the circuits and found out it was the alarm that was draining the battery over a period of a few days, removed alarm all is fine.



Where are you based?

[ChrisHC]

Alarms are the work of the devil!

[Brianmoooore]

What currents did you measure through 21 and 27? Some quiescent current through 21 is normal, but not through 28 (with OE wiring).

[JM2012]

Thank you guys.

If I am reading the meter correctly then about 90 ma. The meter showed between approximately 86-90.

Fuse 21 seemed to be using between 25-30 and fuse 28 using approx 70-73