Hi, Im not new to LRs' but am to LR's with electronics.
I upgraded my 1987 v8 RR to a Disco II two years ago (ACE SLS ABS) and... no worries till now.
Now, all of a sudden, rear left of car keeps emptying its AirSpring and the battery is dead after 4hrs or so.
No, its not punctured.
This...