The service and repair manual for the 2020 BMW M4 — the 3.0L I6 engine, 3 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 | 3.0L I6 — 182 cu in, DOHC, turbocharged |
| Trims | CS Coupe 2-Door · Base Convertible 2-Door · Base Coupe 2-Door |
| Federal record | 2 recalls · 2 complaints · 48 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 M4 manual






03 / ContentsSections in the manual
- Quick Lookups 553
- Engine Performance 282
- Accessories & Equipment 3,179
- General Information 1,483
- Body & Frame 2,092
- Heating, Ventilation & A/C (HVAC) 62
- Brakes 73
- Maintenance 32
- Collision 1,085
- Restraints 333
- Drivelines & Axles 153
- Steering 72
- Electrical 2,470
- Suspension 191
- Engine Mechanical 583
- Transmission 88
- Front 31
04 / Known issuesRecalls on federal record for the 2020 M4
- Fuel System, Gasoline — fuel injection system · 20V666000A damaged connection between the fuel line and the fuel rail could lead to a fuel leak and, in the p.
- Air Bags — knee bolster · 19V352000An improperly folded and assembled air bag may not deploy as intended, increasing risk of injury.
Owners have filed 2 complaints and BMW has issued 48 technical service bulletins for the 2020 M4. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 M4 manual
Is this manual specific to the 2020 M4?
Yes. It is the OEM manual matched to the 2020 model year, covering the 3.0L I6 across the CS Coupe 2-Door, Base Convertible 2-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2020 M4 problems does it help with?
2 recalls are on federal record for the 2020 M4, covering fuel system, gasoline, air bags. 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 M4 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 M4 years and 2020 BMW models
2024 M4 · 2023 M4 · 2022 M4 · 2021 M4 · 2019 M4 · 2018 M4 · 2017 M4 · 2016 M4 · 2015 M4 · all 10 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