BMW 745e G11 Plug-In Hybrid Coolant Loss
BMW
7 Series
2019
B58 3.0 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 PHEV cooling system on 745e G11 can lose coolant through the battery thermal management circuit as well as the standard engine circuit. Multiple coolant loops complicate diagnosis. Full cooling system inspection required.
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 7 Series 2019 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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