The service and repair manual for the 2023 BMW M340i — the 3.0L I6 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 | 2023 |
|---|---|
| Engines | 3.0L I6 — 183 cu in, DOHC, turbocharged |
| Trims | Base Sedan 4-Door |
| Other 2023 M340i variants | M340i xDrive → |
| Federal record | 1 recall · 0 complaints · 46 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2023 M340i manual
03 / ContentsSections in the manual
- Quick Lookups 55
- General Information 1,722
- Accessories & Equipment 4,321
- Heating, Ventilation & A/C (HVAC) 356
- Body & Frame 2,467
- Hybrid/Electric Powertrain 661
- Brakes 163
- Maintenance 32
- Collision 1,084
- Restraints 147
- Drivelines & Axles 664
- Steering 399
- Electrical 2,173
- Suspension 671
- Engine Mechanical 3,136
- Transmission 261
- Engine Performance 1,853
04 / Known issuesRecalls on federal record for the 2023 M340i
- Electrical System — body control module › software · 23V118000Doors that do not lock as intended while the vehicle is in motion may open during a crash, increasin.
Owners have filed 0 complaints and BMW has issued 46 technical service bulletins for the 2023 M340i. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2023 M340i manual
Is this manual specific to the 2023 M340i?
Yes. It is the OEM manual matched to the 2023 model year, covering the 3.0L I6 across the Base Sedan 4-Door trims. Specifications and procedure sequences are the ones BMW published for this year.
What 2023 M340i problems does it help with?
1 recall is on federal record for the 2023 M340i, covering electrical system. 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 2023 M340i wiring diagrams?
Yes — the complete wiring diagrams for the 2023 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 M340i years and 2023 BMW models
2024 M340i · 2022 M340i · 2021 M340i · 2020 M340i · all 5 years
2023 BMW 118i · 2023 BMW 128ti · 2023 BMW 220i · 2023 BMW 220i Gran Coupe · 2023 BMW 228i Gran Coupe · 2023 BMW 228i xDrive Gran Coupe · 2023 BMW 230i · 2023 BMW 230i xDrive · 2023 BMW 320i · 2023 BMW 330e · 2023 BMW 330e xDrive · 2023 BMW 330i · every 2023 model