The service and repair manual for the 2020 BMW M850i xDrive — the 4.4L V8 engine, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones BMW published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2020 |
|---|---|
| Engines | 4.4L V8 — 268 cu in, DOHC, turbocharged |
| Trims | Base Convertible 2-Door · Base Coupe 2-Door · Convertible Convertible 2-Door · Coupe Coupe 2-Door |
| Other 2020 M850i xDrive variants | M850i xDrive Gran Coupe → |
| Federal record | 5 recalls · 10 complaints · 172 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 M850i xDrive manual
03 / ContentsSections in the manual
- Quick Lookups 21
- General Information 2,665
- Accessories & Equipment 6,780
- Heating, Ventilation & A/C (HVAC) 434
- Body & Frame 3,647
- Hybrid/Electric Powertrain 792
- Brakes 351
- Maintenance 32
- Collision 850
- Restraints 288
- Drivelines & Axles 1,324
- Steering 584
- Electrical 2,573
- Suspension 1,083
- Engine Mechanical 2,507
- Transmission 311
- Engine Performance 1,235
04 / Known issuesRecalls on federal record for the 2020 M850i xDrive
- Electrical System — starter assembly · 25V644000An overheated starter motor can ignite nearby combustible material in the engine compartment, increa.
- Seat Belts — front › buckle assembly · 20V164000If the air bag and/or seat belt pretensioners deploy improperly in the event of a crash, there is an.
- Back Over Prevention — sensing system › camera · 21V096000If the driver relies on only the rearview camera image, the missing or reduced rearview image view c.
- Service Brakes, Hydraulic · 21V062000A loss of abs and a reduction in braking assistance can increase the risk of a crash.
- Power Train — automatic transmission · 19V883000An electrical short circuit can cause the transmission to shift to neutral resulting in a loss of pr.
Owners have filed 10 complaints and BMW has issued 172 technical service bulletins for the 2020 M850i xDrive. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 M850i xDrive manual
Is this manual specific to the 2020 M850i xDrive?
Yes. It is the OEM manual matched to the 2020 model year, covering the 4.4L V8 across the Base Convertible 2-Door, Base Coupe 2-Door, Convertible Convertible 2-Door, Coupe Coupe 2-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2020 M850i xDrive problems does it help with?
5 recalls are on federal record for the 2020 M850i xDrive, covering electrical system, seat belts, back over prevention. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by BMW dealers.
Does it include 2020 M850i xDrive wiring diagrams?
Yes — the complete wiring diagrams for the 2020 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther M850i xDrive years and 2020 BMW models
2024 M850i xDrive · 2023 M850i xDrive · 2022 M850i xDrive · 2021 M850i xDrive · 2019 M850i xDrive · all 6 years
2020 BMW 118i · 2020 BMW 120i · 2020 BMW 220i · 2020 BMW 228i xDrive Gran Coupe · 2020 BMW 230i · 2020 BMW 230i xDrive · 2020 BMW 320i · 2020 BMW 330e · 2020 BMW 330i · 2020 BMW 330i xDrive · 2020 BMW 420i · 2020 BMW 420i Gran Coupe · every 2020 model