BMW 12V Lithium Dual-Storage Battery Repair Service G20 G30 G05 G11 G12

**⚡ 48-Hour Turnaround Service ⚡** **BMW 12V Lithium Dual Storage Battery Repair Service — 2017–2025 Models** **Read First** This is a **repair service**. You ship your original BMW 12V lithium dual-storage battery to us. We diagnose, repair, and return it fully functional within approximately 48 hours of receiving your unit. **Supported / Interchangeable Part Numbers** - 61 21 5 B3F 325 → 61215B3F325 → 5B3F325 - 61 21 5 A8D 7E0 → 61215A8D7E0 → 5A8D7E0 - 61 21 5 A4A F23 → 61215A4AF23 → 5A4AF23 - 61 21 5 A46 EA1 → 61215A46EA1 → 5A46EA1 - 61 21 5 A38 DE7 → 61215A38DE7 → 5A38DE7 - 61 21 5 407 8B0 → 612154078B0 → 54078B0 - 61 21 9 857 516 → 61219857516 → 9857516 - 61 21 9 442 935 → 61219442935 → 9442935 - 61 21 9 857 095 → 61219857095 → 9857095 - 61 21 9 857 160 → 61219857160 → 9857160 - 61 21 8 795 112 → 61218795112 → 8795112 - 61 21 9 399 992 → 61219399992 → 9399992 **🔋 Battery Specification** - Voltage: 12 V DC - Type: Lithium-Ion Dual-Storage Battery - Capacity: Approx. 10 Ah - Function: Auxiliary / Dual-storage for start-stop & energy recovery - OEM Manufacturer: BMW Group **🔧 Common Issues We Repair** - "Battery Fault" or "Energy Management" warning - Start/Stop system inactive or malfunctioning - Battery not charging or holding charge - Communication or control board failure - Voltage imbalance or capacity degradation **🛠️ What This Service Includes** - Diagnostic testing and component-level repair - Replacement of defective internal components - Average turnaround: 2–3 business days after we receive your battery **🚗 Compatibility (2017–2025)** BMW G20/G21 (3 Series) \| G30/G31 (5 Series) \| G11/G12 (7 Series) \| G05 (X5) \| G06 (X6) \| G07 (X7) \| G42 (2 Series Coupe) \| G22/G23/G26 (4 Series) \| G32 (6 Series GT) and other BMW models using 12 V lithium dual-storage systems. ✅ Not sure? Send us your VIN — we’ll confirm compatibility before you ship. **📦 Service Process** 1. Purchase this listing ( **Repair Service Only**). 2. Ship your BMW 12 V lithium battery to: 120 N Compass Way, Apt 120, Dania Beach, FL 33004, USA. 3. 4. We repair, test, and return your battery within 2–3 business days after receiving it. **💰 Non-Repairable Policy** Please note that while most BMW 12 V lithium batteries can be successfully repaired, a small number may not be fixable due to severe internal damage or burned electronics. In those cases, we’ll issue a **full refund minus return shipping cost**. The customer is responsible for return shipping on non-repairable units. **⚠️ Important Reminder** This is a **repair service only** — no battery is being sold. Ship to: 120 N Compass Way, Apt 120, Dania Beach, FL 33004, USA **⚡ Restore your BMW 12 V Lithium System — Save Hundreds Over Replacement! ⚡** **📩 Questions?** Message us — quick response guaranteed.

• Brand: BMW
• Type: Lithium Ion Battery
• OE/OEM Part Number: 5A46EA1, 5A38DE7, 54078B0, 9857516, 9442935
• Voltage: 13.2v
• Model: BMW X7
• Manufacturer Part Number: 5B3F325, 5A8D7E0, 5A4AF23, 5A46EA1
• Ampere-Hours: 10ah
• Superseded Part Number: 61215A38DE7, 612154078B0, 61219857516
• Country of Origin: Germany