2018-2025 BMW Seat Leg / Thigh Support Cushion Front, Left, Right 52107477378

OEM Part #: 52-10-7-477-378 (52107477378)

$69.99
Side: Front, Left, Right Used
ColorBlack
Donor2019 BMW X3 · 2.0L
SKU: 705415 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 2 in stock — no guaranteed restock
Seat Leg / Thigh Support Cushion 52107477378 — Used (SKU 705415)
Genuine OEM Used SKU: 705415 · Black Donor Vehicle: 2019 BMW X3 · 2.0L 3 photos
$69.99
30-Day Returns
Seat Leg / Thigh Support Cushion 52107477378 — Used (SKU 705414)
Genuine OEM Used SKU: 705414 · Black Donor Vehicle: 2019 BMW X3 · 2.0L 4 photos
$69.99
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 7477378 seat leg/thigh support cushion is a used OEM replacement for front left or right seats. Also called a leg support cushion, this component handles the adjustable thigh extension on sport seats. It was originally fitted in BMW models with 2.0L turbocharged four-cylinder or 3.0L turbocharged inline-six engines, including mild hybrid variants. The cushion adjusts to provide comfortable leg support on longer drives.

Specifications

Specifications for Seat Leg / Thigh Support Cushion 52107477378
Fits Vehicle Model330i, 330i xDrive, M340i, M340i xDrive, X3, X4
Fits Vehicle MakeBMW
OEM Part No52-10-7-477-378 (52107477378)
SideFront, Left, Right
CategorySeats

Compatible Vehicles

Fits 50 vehicle configurations across 1 make, 2018-2025.

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 7 with notes
  • 330i xDrive 2019-2025 · 7 variants 7 with notes
  • M340i 2020-2025 · 6 variants 6 with notes
  • M340i xDrive 2020-2025 · 6 variants 6 with notes
  • X3 2018-2023 · 12 variants 12 with notes
  • X4 2019-2024 · 12 variants 12 with notes
View all 50 vehicle configurations 50 with fitment notes
Full vehicle fitment list for Seat Leg / Thigh Support Cushion 52107477378
Year Make Model Trim Engine Note
2023 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2023 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2024 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2025 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2022 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2021 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2023 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2024 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2025 BMW M340i Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2022 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2023 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2021 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2024 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2022 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2021 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2019 BMW 330i xDrive Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2019 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2022 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2020 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2021 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2024 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2023 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2025 BMW 330i Sedan 2.0L l4 Turbo For vehicles WITH option code S481A
2024 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2019 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2020 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2022 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2023 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2019 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2021 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2023 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2022 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2024 BMW X4 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2019 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2021 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2020 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2022 BMW X4 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2021 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2019 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2018 BMW X3 SUV 3.0L l6 Turbo For vehicles WITH option code S481A
2022 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2021 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2023 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2018 BMW X3 SUV 2.0L l4 Turbo For vehicles WITH option code S481A
2025 BMW M340i xDrive Sedan 3.0L l6 Turbo For vehicles WITH option code S481A

Ask a parts specialist

Asking about: Seat Leg / Thigh Support Cushion 52107477378 · OEM #7477378