The service and repair manual for the 2018 BMW M550i xDrive — the 4.4L V8 engine, 1 trim. 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 | 2018 |
|---|---|
| Engines | 4.4L V8 — 268 cu in, DOHC, turbocharged |
| Trims | Base Sedan 4-Door |
| Federal record | 1 recall · 57 complaints · 238 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 M550i xDrive manual






03 / ContentsSections in the manual
- Quick Lookups 60
- General Information 3,229
- Accessories & Equipment 1,515
- Heating, Ventilation & A/C (HVAC) 210
- Body & Frame 1,341
- Hybrid/Electric Powertrain 299
- Brakes 114
- Maintenance 32
- Collision 1,105
- Restraints 96
- Drivelines & Axles 606
- Steering 248
- Electrical 1,284
- Suspension 264
- Engine Mechanical 4,013
- Transmission 154
- Engine Performance 13,073
- Rear 310
04 / Known issuesRecalls on federal record for the 2018 M550i xDrive
- Back Over Prevention — sensing system › camera · 19V684000The lack of an image in the back-up camera display increases the risk of a crash.
Owners have filed 57 complaints and BMW has issued 238 technical service bulletins for the 2018 M550i xDrive. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 M550i xDrive manual
Is this manual specific to the 2018 M550i xDrive?
Yes. It is the OEM manual matched to the 2018 model year, covering the 4.4L V8 across the Base Sedan 4-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2018 M550i xDrive problems does it help with?
1 recall is on federal record for the 2018 M550i xDrive, covering 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 2018 M550i xDrive wiring diagrams?
Yes — the complete wiring diagrams for the 2018 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 M550i xDrive years and 2018 BMW models
2023 M550i xDrive · 2022 M550i xDrive · 2021 M550i xDrive · 2020 M550i xDrive · 2019 M550i xDrive · all 6 years
2018 BMW 118i · 2018 BMW 120i · 2018 BMW 220i · 2018 BMW 230i · 2018 BMW 230i xDrive · 2018 BMW 318i · 2018 BMW 320i · 2018 BMW 320i xDrive · 2018 BMW 328d · 2018 BMW 328d xDrive · 2018 BMW 330e · 2018 BMW 330i · every 2018 model