Seat, front, backrest frame for BMW 1 Series F70 120 (2025)
This Seat, front, backrest frame technical drawing provides a detailed breakdown of the assembly for the 1 Series F70 120. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2025.
| No. | Description | Supp. | Qty | From | Up To | Part Number | Price | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| For vehicles with Seat adjuster, electric, with memory |
S459A=Yes |
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| 01 | Backrest frame electrical left | 1 | 52107911657 | NoS | Shop at ECS Tuning | |||||
| 01 | Backrest frame electrical right | 1 | 52107911660 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Seat adjuster, electric, with memory |
S459A=No |
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| 01 | Backrest frame manual left | 1 | 52107911655 | NoS | Shop at ECS Tuning | |||||
| 01 | Backrest frame, manual, right | 1 | 52107911656 | NoS | Shop at ECS Tuning | |||||
| 02 | Spring mat backrest frame | 2 | 52105B3C511 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Seat adjuster, electric, with memory |
S459A=No |
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| 03 | Coupling rod unlocking left | 1 | 52105A15E37 | NoS | Shop at ECS Tuning | |||||
| 03 | Coupling rod unlocking right | 1 | 52105A15E38 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Isofix-System and Child seat mount |
S470A=Yes S478A=Yes |
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| 04 | Isofix bracket, right | 1 | 52109461598 | Shop at ECS Tuning | ||||||
| For vehicles with Isofix-System and Child seat mount |
S470A=Yes S478A=No |
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| 04 | Isofix bracket, right | 1 | 52109461598 | Shop at ECS Tuning | ||||||
| For vehicles with Isofix-System and Child seat mount |
S470A=No S478A=Yes |
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| 04 | Isofix bracket, right | 1 | 52109461598 | NoS | Shop at ECS Tuning | |||||
| For vehicles with M Sports seats |
S711A=Yes |
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| 05 | Support backrest side bolster left | 1 | 52109484459 | Shop at ECS Tuning | ||||||
| 05 | Support backrest side bolster right | 1 | 52109484460 | Shop at ECS Tuning | ||||||
| For vehicles with Sports seat and M Sports seats |
S481A=Yes S711A=No |
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| 05 | Support backrest side bolster left | 1 | 52109484459 | NoS | Shop at ECS Tuning | |||||
| 05 | Support backrest side bolster right | 1 | 52109484460 | NoS | Shop at ECS Tuning | |||||
| For vehicles with M Sports seats |
S711A=No |
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| 06 | Underlay backrest | 2 | 52109493503 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Sports seat and M Sports seats |
S481A=Yes S711A=No |
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| 07 | Support, backrest, left | 1 | 52109872505 | NoS | Shop at ECS Tuning | |||||
| 07 | Support, backrest, right | 1 | 52109872506 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Isofix-System |
S470A=Yes |
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| 08 | Kit, rivet, holder, ISOFIX | 1 | 52109493527 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Child seat mount |
S478A=Yes |
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| 08 | Satz Kleinteile ISOFIX mit Logo | 1 | 52105A35E28 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Seat adjuster, electric, with memory |
S459A=Yes |
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| 09 | Bracket control unit left | 1 | 52109872513 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Seat heating driver/passenger |
S494A=Yes |
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| 09 | Bracket control unit right | 1 | 52105A66498 | NoS | Shop at ECS Tuning | |||||
| For vehicles with Seat adjuster, electric, with memory and Seat heating driver/passenger |
S459A=No S494A=Yes |
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| 09 | Bracket control unit left | 1 | 52105A66497 | NoS | Shop at ECS Tuning | |||||
| 10 | Main small parts kit | 2 | 52109493522 | NoS | Shop at ECS Tuning | |||||
| 11 | Fillister head screw with collar | 8 | 07147187828 | $0.38 | Shop at ECS Tuning | |||||
| 12 | Hardware kit control unit bracket | 2 | 52109891640 | Shop at ECS Tuning | ||||||
Notes
- NoS = No Stock (Part centrally not stocked)
See Also
Frequently Asked Questions
- What assembly is shown in the BMW 1 Series F70 120 Seat, front, backrest frame?
- This technical diagram illustrates the Seat, front, backrest frame within the Seats group for the 1 Series F70 120 produced during 2025. It provides a detailed exploded view of the components, identifying key parts such as the Backrest frame electrical left (Part #52107911657).
- Which models use the hardware listed in this Seat, front, backrest frame?
- The hardware and components featured in the Seat, front, backrest frame are specific to the 1 Series F70 120 produced during 2025. These technical specifications ensure that parts like the Backrest frame electrical left (52107911657) are correctly matched to the vehicle's structural and mechanical requirements.
- How do I find specific parts within the Seat, front, backrest frame assembly?
- Each item in the Seat, front, backrest frame corresponds to the numbered list below the illustration. For the 1 Series F70 120, you can identify the Backrest frame electrical left by locating its position on the schematic, which then links to the official BMW part number 52107911657 for the Seats section.