2018-2024 BMW X3/X4 Lower B Pillar Trim / Cover Left 51437396431
OEM Part #: 51-43-7-396-431 (51437396431)
Actual photo
The exact part you’ll receive — not a stock photo.
$51.33
Side: Left
Used
ColorBlack
Donor2019 BMW X4 · 2.0L · 82k miles
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Genuine OEM Used
SKU: 536175 · Black
Donor Vehicle: 2019 BMW X4 · 2.0L · 82k miles
4 photos
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$51.33
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BMW Lower B Pillar Trim / Cover (OEM 7396431, also replaces 7446733) — a used genuine trim piece from a donor vehicle. This left-side cover installs on the B-pillar interior and is specific to BMW X3 and X4 models equipped with 2.0L or 3.0L turbocharged gasoline engines, including mild-hybrid variants. As a cosmetic trim, it restores the factory finish around the seatbelt anchor area.
Specifications
| Fits Vehicle Model | X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 51-43-7-396-431 (51437396431) |
| Compatible OEM Part No | 7446733 |
| Side | Left |
| Category | Pillar Plastics / Fabrics |
Compatible Vehicles
Fits 30 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 30 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2023 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2024 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2019 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2021 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2020 | 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 | |
| 2023 | BMW | X4 | SUV | 2.0L l4 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 | X3 | SUV | 3.0L l6 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 | |
| 2022 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2020 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2019 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2021 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2022 | BMW | X3 | SUV | 3.0L l6 Turbo |