2019-2025 BMW 330i/M340i Headlight Leveling Sensor w/ Linkage Front 37146878573

OEM Part #: 37-14-6-878-573 (37146878573)

$93.49
Side: Front Used
Donor2021 BMW 330i · 2.0L · 32k miles
SKU: 577056 · 30-Day Returns
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Headlight Leveling Sensor w/ Linkage 37146878573 — Used (SKU 577056)
Genuine OEM Used SKU: 577056 Donor Vehicle: 2021 BMW 330i · 2.0L · 32k miles 2 photos
$93.49
30-Day Returns
Headlight Leveling Sensor w/ Linkage 37146878573 — Used (SKU 586912)
Genuine OEM Used SKU: 586912 Donor Vehicle: 2020 BMW 330i · 2.0L · 42k miles 2 photos
$96.49
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
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A used genuine BMW headlight leveling sensor with linkage, OEM part number 6878573, mounts at the front axle and controls automatic headlight aim based on ride height. When this sensor fails, the headlights may point too low or high, or trigger a dashboard warning. It’s designed for BMW 330i and M340i models equipped with 2.0L or 3.0L turbocharged engines (including MHEV variants).

Specifications

Specifications for Headlight Leveling Sensor w/ Linkage 37146878573
Fits Vehicle Model330i, M340i
Fits Vehicle MakeBMW
OEM Part No37-14-6-878-573 (37146878573)
SideFront
CategoryLighting

Compatible Vehicles

Fits 13 vehicle configurations across 1 make, 2019-2025.

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.

BMW

  • 330i 2019-2025 · 7 variants
  • M340i 2020-2025 · 6 variants
View all 13 vehicle configurations
Full vehicle fitment list for Headlight Leveling Sensor w/ Linkage 37146878573
Year Make Model Trim Engine Note
2025 BMW M340i Sedan 3.0L l6 Turbo
2024 BMW M340i Sedan 3.0L l6 Turbo
2023 BMW M340i Sedan 3.0L l6 Turbo
2021 BMW M340i Sedan 3.0L l6 Turbo
2022 BMW M340i Sedan 3.0L l6 Turbo
2025 BMW 330i Sedan 2.0L l4 Turbo
2024 BMW 330i Sedan 2.0L l4 Turbo
2023 BMW 330i Sedan 2.0L l4 Turbo
2019 BMW 330i Sedan 2.0L l4 Turbo
2022 BMW 330i Sedan 2.0L l4 Turbo
2020 BMW 330i Sedan 2.0L l4 Turbo
2021 BMW 330i Sedan 2.0L l4 Turbo
2020 BMW M340i Sedan 3.0L l6 Turbo

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