2014-2021 BMW Headlight Leveling Sensor w/ Linkage Front, Left 37146861845
OEM Part #: 37-14-6-861-845 (37146861845)
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Used BMW headlight leveling sensor with linkage, OEM part number 6861845. This front-left sensor measures ride height to automatically adjust headlamp beam aim as vehicle load changes. Also known as a headlight leveling sensor arm or suspension position sensor. When it fails, the headlights may point too high, blinding oncoming traffic, or too low, reducing visibility; a dashboard leveling warning light may also illuminate. Removed from a 2019–2021 BMW i3 or i3s with the 0.6L range-extender or full battery-electric drivetrain. The sensor connects via linkage to the suspension control arm and must be correctly aligned on installation.
Specifications
| Fits Vehicle Model | i3, i3 REx, i3s, i3s REx |
| Fits Vehicle Make | BMW |
| OEM Part No | 37-14-6-861-845 (37146861845) |
| Side | Front, Left |
| Category | Lighting |
Compatible Vehicles
Fits 24 vehicle configurations across 1 make, 2014-2021.
View all 24 vehicle configurations — 24 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2018 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2020 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2021 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2018 | BMW | i3s | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2019 | BMW | i3s | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2020 | BMW | i3s | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2020 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2019 | BMW | i3s REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2020 | BMW | i3s REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2021 | BMW | i3s | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2021 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2018 | BMW | i3s REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2015 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2014 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2016 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2014 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2016 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2015 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2017 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2017 | BMW | i3 REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |
| 2018 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2019 | BMW | i3 | Hatchback | Electric Vehicle | For vehicles WITH option code S5A2A |
| 2021 | BMW | i3s REx | Hatchback | 0.6L l2 | For vehicles WITH option code S5A2A |