2018-2024 BMW X3/X4 Positive (+) Battery Cable 61126839821
OEM Part #: 61-12-6-839-821 (61126839821)
Actual photo
The exact part you’ll receive — not a stock photo.
$43.99
Used
Donor2019 BMW X3 · 2.0L
✓ Free Same Day Shipping on orders by noon CT
4 Available — Select Your Part:
Genuine OEM Used
SKU: 623839
Donor Vehicle: 2019 BMW X3 · 2.0L
3 photos
TESTED
$43.99
30-Day Returns
Genuine OEM Used
SKU: 657800
Donor Vehicle: 2024 BMW X3 · 2.0L · 9k miles
2 photos
$48.49
30-Day Returns
Genuine OEM Used
SKU: 705701
Donor Vehicle: 2019 BMW X3 · 2.0L
2 photos
$48.99
30-Day Returns
Genuine OEM Used
SKU: 695839
Donor Vehicle: 2023 BMW X3 · 2.0L · 52k miles
2 photos
TESTED
$48.99
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
The BMW positive battery cable (OEM 6839821, also supersedes 61126839821) is a used genuine part removed from a donor vehicle. This cable carries electrical power from the battery to the starter, alternator, and fuse box. On X3 and X4 models with turbocharged 2.0L or 3.0L engines—including mild-hybrid variants—a corroded or frayed positive cable can cause intermittent starting, dim lights, or electrical system faults.
Specifications
| Fits Vehicle Model | X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 61-12-6-839-821 (61126839821) |
| Compatible OEM Part No | 61-12-6-839-821 |
| Category | Battery / Charging / Starting |
Compatible Vehicles
Fits 31 vehicle configurations across 1 make, 2018-2024.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 31 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2024 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2023 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2024 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2018 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2020 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2021 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2020 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2023 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2023 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2020 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2021 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2022 | BMW | X4 | SUV | 2.0L l4 Turbo |