The service and repair manual for the 2021 BMW 840i xDrive — the 3.0L I6 engine, 2 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 | 2021 |
|---|---|
| Engines | 3.0L I6 — 183 cu in, DOHC, turbocharged |
| Trims | Base Convertible 2-Door · Base Coupe 2-Door |
| Other 2021 840i xDrive variants | 840i → · 840i xDrive Gran Coupe → |
| Federal record | 3 recalls · 0 complaints · 124 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 840i xDrive manual
03 / ContentsSections in the manual
- Quick Lookups 55
- General Information 2,662
- 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 2,607
- Suspension 1,083
- Engine Mechanical 2,507
- Transmission 311
- Engine Performance 1,235
04 / Known issuesRecalls on federal record for the 2021 840i xDrive
- Electrical System — starter assembly · 25V644000An overheated starter motor can ignite nearby combustible material in the engine compartment, increa.
- 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.
Owners have filed 0 complaints and BMW has issued 124 technical service bulletins for the 2021 840i xDrive. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 840i xDrive manual
Is this manual specific to the 2021 840i xDrive?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.0L I6 across the Base Convertible 2-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2021 840i xDrive problems does it help with?
3 recalls are on federal record for the 2021 840i xDrive, covering electrical system, back over prevention, service brakes, hydraulic. 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 2021 840i xDrive wiring diagrams?
Yes — the complete wiring diagrams for the 2021 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 840i xDrive years and 2021 BMW models
2024 840i xDrive · 2023 840i xDrive · 2022 840i xDrive · 2020 840i xDrive · all 5 years
2021 BMW 118i · 2021 BMW 120i · 2021 BMW 220i · 2021 BMW 228i Gran Coupe · 2021 BMW 228i xDrive Gran Coupe · 2021 BMW 230i · 2021 BMW 230i xDrive · 2021 BMW 320i · 2021 BMW 330e · 2021 BMW 330e xDrive · 2021 BMW 330i · 2021 BMW 330i xDrive · every 2021 model