SIX-IN-LINE · TRANSMISSION CATALOGUE
ZF 8HP70X
ZF 8HP70X (GA8HP70X): 8-speed automatic transmission. Manufacturer ratios for the F30/F31 335d xDrive and F36 435d xDrive. BMW sheets use the 8HP70 family name; the separate 8HP70X classification comes from the research packages.
Manufacturer ratios for the F30/F31 335d xDrive and F36 435d xDrive. BMW sheets use the 8HP70 family name; the separate 8HP70X classification comes from the research packages.
This database is the result of research carried out by Six-In-Line Kft. in its spare time.
Technical data
- Transmission version
- 8 -speed automatic
- Reference torque limit
- Not separately verified
- Manufacturer
- ZF
- BMW code reference
- GA8HP70X
The reviewed sources do not verify a separate transmission torque limit. Engine or hybrid-system torque is not such a limit.
Gear ratios
These ratios apply to the 2018 335d xDrive and 435d xDrive columns. The complete manufacturer identifier of the X variant needs separate confirmation. View sources
| Gear | F30/F31 335d xDrive · 2018 | F36 435d xDrive · 11/2018 | Engaged clutches / brakesFamily reference · exact variant unverified |
|---|---|---|---|
| Torque limit | Nincs adat | Nincs adat | — |
| 1 gear | 4,714 | 4,714 | A + B + Cfamily reference |
| 2 gear | 3,143 | 3,143 | A + B + Efamily reference |
| 3 gear | 2,106 | 2,106 | B + C + Efamily reference |
| 4 gear | 1,667 | 1,667 | B + D + Efamily reference |
| 5 gear | 1,285 | 1,285 | B + C + Dfamily reference |
| 6 gear | 1,000 | 1,000 | C + D + Efamily reference |
| 7 gear | 0,839 | 0,839 | A + C + Dfamily reference |
| 8 gear | 0,667 | 0,667 | A + D + Efamily reference |
| Reverse (R) | -3,317 | -3,317 | A + B + Dfamily reference |
Reverse is consistently shown with a negative sign; BMW data sheets give the magnitude of the ratio. Versions are separate data rows; the table does not individually assign the correct version to vehicles.
Fluid data
No separately verified fluid data is available for this exact version. Determine the fluid using the full transmission identifier and BMW requirements.
ZF fluids and oil change kitsZF identification
8HP70X and GA8HP70X are the package’s all-wheel-drive designations. Rear-wheel-drive 8HP70 retains its own data sheet.
Confirm the fitted variant using the complete identification plate, BMW/OE part number and VIN7.
Record the full marking on the transmission housing. ZF’s guide shows both plate and stamped identification variants.
- Type designation
- The exact type shown on the plate, including every suffix.
- Full ZF catalogue number
- Catalog Number / bill-of-materials number. The full number is required to identify parts.
- Serial number
- Serial Number. Identifies the individual unit; not the same as the transmission family code.
- BMW / OE markings
- Manufacturer part numbers and other codes on the plate. Available fields vary by version.
The prefix is not a complete order number and does not by itself confirm compatibility of the specific version.
Label colour, casting marks and a suffix alone are insufficient for full identification. We do not use Excel’s general “X and Z = all-wheel drive” statement to identify the drivetrain.
ZF manufacturer identification guide (Transmission ID Charts, PDF page 3)Documented European applications (9)
F21, F22, F23, F30, F31, F36, F80, F87, G30 and F90 fitments come from research carried out by Six-In-Line Kft. in its spare time. Additional manufacturer sources and discrepancies are shown beside each result.
9 view pairings
| Chassis / model | Engine code | Recorded period | Source |
|---|---|---|---|
| F30 · 330d xDrive (258 LE / 190 kW) | 03.2013–10.2018 | N57D30O1 | 2013. 03. – 2018. 10. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F30 · 330d xDrive (286 LE / 210 kW) | 03.2013–10.2018 | N57D30O1 | 2013. 03. – 2018. 10. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F30 · 335d xDrive (313 LE / 230 kW) | 07.2013–10.2018 | N57D30T1 | 2013. 07. – 2018. 10. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F31 · 330d M Performance Power Kit xDrive (286 LE / 210 kW) | 03.2013–06.2019 | N57D30O1 | 2013. 03. – 2019. 06. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F31 · 330d xDrive (258 LE / 190 kW) | 03.2013–06.2019 | N57D30O1 | 2013. 03. – 2019. 06. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F31 · 335d xDrive (313 LE / 230 kW) | 11.2013–06.2019 | N57D30T1 | 2013. 11. – 2019. 06. | Six-In-Line Kft. – F30/F31/F80 research carried out in spare time |
| F36 · 430d xDrive (258 LE / 190 kW) | 07.2014–12.2020 | N57D30O1 | 2014. 07. – 2020. 12. | Six-In-Line Kft. – F36 research conducted in spare time |
| F36 · 430d xDrive (286 LE / 210 kW) | 07.2014–12.2020 | N57D30O1 | 2014. 07. – 2020. 12. | Six-In-Line Kft. – F36 research conducted in spare time |
| F36 · 435d xDrive (313 LE / 230 kW) | 07.2014–12.2020 | N57D30T1 | 2014. 07. – 2020. 12. | Six-In-Line Kft. – F36 research conducted in spare time |
Partial coverage. Confirm the actual fitted transmission using the VIN or identification plate.
Sources and data status
Checked: 2026-10-07. Each source indicates which data it supports.
- Six-In-Line Kft. · F30/F31/F80 research data package
Continental European model, engine and transmission fitments. The package contains no ratio table, manufacturer list number or fluid approval.
- BMW Portugal · F30, 03/2018 · PDF page 3
335d xDrive: 8HP70 family designation, gears 1–8 and reverse.
- BMW Portugal · F31, 11/2018 · PDF page 3
335d xDrive Touring: matching manufacturer ratio set and 3.317 reverse ratio.
- BMW Portugal · F36 435d xDrive, 11/2018 · PDF page 4
435d xDrive: N57D30T1, 313 PS, 8HP70 family designation, eight forward gears and a 3.317 reverse ratio.
Our research workbook: F30_F31_F80_fejlesztoi_adatcsomag.xlsx · 2026-10-03. Code references from Excel do not constitute full manufacturer verification.
Always check the full manufacturer identifier and the actual version on your own transmission.
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