BMW 530e G30 PHEV 12V Battery Drain
BMW
5 Series
2017
B46 2.0 PHEV
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The 530e PHEV can drain the 12V battery when parked without HV charging. Plug in when parked to maintain 12V charge. 12V battery replacement costs £120-200.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this BMW 5 Series 2017 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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