BMW Lithium Battery Repair (12V, 48V & Hybrid Systems)
Is your BMW showing drivetrain warnings, hybrid system errors, or electrical issues?
We provide professional BMW lithium battery repair for 12V systems, 48V mild hybrid batteries, and plug-in hybrid (PHEV) battery modules. Our service restores your original BMW battery system and helps you avoid expensive replacements.
⚡ Send us your battery and get it repaired in 2 business days with return shipping. ⚡
- Ship your battery to us
- We diagnose & repair
- We ship it back
Common Battery Problems We Fix
- Battery warning messages
- Battery not charging
- Start-stop system not working
- Electrical faults
- Communication errors
- Voltage imbalance or BMS faults
Many of these BMW battery issues can be repaired without full battery replacement.
⚠️ Important: This service covers BMW 12V, 48V, and hybrid battery systems— not full high-voltage EV battery packs.
Supported BMW Models for Repair
We repair lithium and hybrid battery systems used in:
- BMW 3 Series (330e, G20, G21) battery modules
- BMW 5 Series (530e, G30, G31) hybrid batteries
- BMW X5 / X6 / X7 (xDrive40e, xDrive45e) battery systems
- BMW 7 Series hybrid battery modules
- BMW models with 48V mild hybrid systems (MHEV)
- BMW M3, M4, M5 and M8 12V lithium battery systems
Not sure if your BMW battery is covered? Send your OEM part number, VIN, or battery label photo and we’ll confirm before shipping.
BMW Lithium-Ion Battery Systems We Repair
Below is an overview of common BMW lithium-ion (Li-ion) battery systems that are often repairable, depending on condition.
| Battery Type | Voltage | BMW System Type | Compatible BMW Models |
|---|---|---|---|
| BMW 12V lithium battery | ~12–14V | OEM Li-ion starter module | BMW 3 Series, 4 Series, 5 Series, M4, X3, X5, X7 (G-Series) |
| BMW M-Series 12V lithium battery | ~12–14V | OEM Li-ion starter / auxiliary module | BMW M3, M4, M5 and M8 |
| BMW 48V mild hybrid battery | ~48V | 48V MHEV Li-ion system | BMW 430i, M4, M340i, M440i, 530i, 540i, X5, X6, X7 |
| BMW New Generation 48V battery | ~48V | New-generation 48V MHEV Li-ion system | 2 Series Active Tourer U06, 5 Series G60/G61/G68, 7 Series G70, X1 U11, X2 U10 (2022–2025) |
| Plug-in hybrid lithium-ion battery | High voltage | PHEV Li-ion battery module | BMW 330e, 530e, X5 xDrive45e |
Compatibility is based on common BMW lithium-ion battery systems. Not all batteries require full replacement.
Many common BMW lithium-ion battery modules used in mild hybrid (MHEV) and plug-in hybrid (PHEV) systems are serviceable — including units found in models such as BMW 430i, M4, M340i, M440i, 530i, 540i, X5, X6, and X7.
Supported BMW OEM Part Numbers
We commonly repair BMW lithium battery systems with the following OEM part numbers.
BMW 12V Lithium
- 61 21 5 B3F 325
- 61 21 5 A8D 7E0
- 61 21 5 A46 EA1
- 61 21 9 399 992
View all BMW 12V OEM part numbers
- 61 21 5 A4A F23
- 61 21 5 A38 DE7
- 61 21 5 407 8B0
- 61 21 9 857 516
- 61 21 9 442 935
- 61 21 9 857 095
- 61 21 9 857 160
- 61 21 8 795 112
- 61 21 5 B80 880
- 61 21 7 602 225
BMW M-Series 12V
- 61 21 8 047 221
- 61 21 7 857 133
- 61 21 7 854 563
- 61 21 9 333 404
View all BMW M-Series 12V OEM part numbers
- 61 21 8 047 220
- 61 21 7 857 288
- 61 21 7 908 321
- 61 21 8 092 859
- 61 21 7 908 325
BMW 48V Mild Hybrid
- 61 21 5 B50 C38
- 61 21 5 A83 028
- 61 21 5 A6E C78
- 61 21 5 B62 428
View all BMW 48V Mild Hybrid OEM part numbers
- 61 21 5 B80 875
- 61 21 9 832 891
- 61 21 5 A38 DE3
- 61 21 5 B62 426
- 61 21 5 B80 872
- 61 21 5 A58 884
- 61 21 5 A28 639
- 61 21 5 A7E 9B9
- 61 21 5 B50 EB9
- 61 21 5 B52 389
- 61 21 5 A48 C60
BMW New Generation 48V
- 61 21 5 A4E F97
- 61 21 5 A64 DD1
- 61 21 5 B67 379
Get Your BMW Battery Repaired
Send your battery details and we’ll confirm repair eligibility and pricing.
Got a Li-ion battery to sell? Contact us — we’ll give you the best deal! Sell Your Battery →
Why Choose Our BMW Battery Repair Service?
- BMW battery diagnostics and module-level repair
- Fast turnaround (2–3 business days)
- Save vs. full battery replacement
- Safe, nationwide shipping
If a battery cannot be restored due to severe internal damage or corrosion, a refund is issued minus return shipping.
Customer Feedback
Trusted by 500+ customers across the U.S.
Bmw battery module repaired and coded correctly. No warning lights after repair. Turnaround was fast.
Hybrid battery fault resolved without full replacement. Car runs normally, start-stop works again.
Sent in the module and received it repaired within a few days. Saved significantly compared to replacement.
Frequently Asked Questions | BMW Battery Repair
How long does BMW lithium battery repair take?
Most BMW lithium battery repairs are completed within a few business days after the battery is received and inspected.
Do you accept nationwide shipping?
Yes. We offer nationwide mail-in BMW lithium battery repair across all 50 states, so location is not a limitation.
Can I get BMW battery repair if I’m searching “near me”?
Yes. Even if you're not located near our facility, our nationwide mail-in service allows BMW battery repair from anywhere in the USA.
Is BMW battery repair cheaper than full replacement?
In many cases, lithium battery repair costs less than full replacement, depending on the battery condition and the issue involved.
Do you only work with OEM BMW modules?
Yes. We work exclusively with original OEM BMW lithium battery modules to ensure compatibility with BMW vehicle systems.
How does the BMW mail-in battery repair process work?
You ship your BMW lithium battery to us, the battery is inspected and repaired if eligible, then shipped back to you once completed.
What BMW lithium battery issues can be repaired?
Common issues include battery degradation, voltage imbalance, charging faults, and system-related errors. Not all batteries require full replacement.
Are BMW mild hybrid (MHEV) 48V lithium-ion battery modules repairable?
Yes. Many BMW mild hybrid vehicles use 48V lithium-ion battery modules that can be evaluated and serviced depending on condition.
Are BMW batteries tested after repair?
Yes. Each repaired BMW lithium battery is tested before being returned to ensure proper functionality.
Can I sell my BMW battery instead?
Yes. Even faulty BMW lithium batteries may still have value — contact us for evaluation and a buyback offer.
Ready to Fix Your BMW Li-Ion Battery?
Looking for BMW lithium battery repair near you?
We provide nationwide mail-in service across the U.S., including Florida, Texas, California, New York, Illinois, and more.
Send us your battery details and we'll confirm repair eligibility before you ship.
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