This BMW 4 Series G23 service and repair manual is the factory-level reference for the second-generation 4 Series convertible. Covering every model from 2020 to 2024, this downloadable PDF is written for both DIY owners and professional technicians, with clear step-by-step instructions for servicing and repairing every trim — from the 420d to the 430i x — supported by wiring diagrams and factory specifications.
What’s inside this BMW G23 service manual
- Step-by-step service and repair instructions for every system
- Wiring diagrams and illustrations for electrical repairs
- Troubleshooting guides to help diagnose faults quickly
- Maintenance schedules and recommended service intervals
- Part numbers and technical specifications
- Labor time estimates to help plan every repair
Detailed trim information for BMW 4 Series G23
The BMW 4 Series G23 convertible was offered in five trims with a choice of diesel and petrol engines and rear- or all-wheel drive. Here is an overview of the trims covered in this manual:
| Trim | Engine Type | Transmission | Power Output | Fuel Efficiency |
|---|---|---|---|---|
| 420d | 2.0L Turbo Diesel | 8-Speed Automatic | 190 hp | 5.2 L/100 km |
| 420i | 2.0L Turbo Petrol | 8-Speed Automatic | 184 hp | 6.1 L/100 km |
| 430d | 3.0L Turbo Diesel | 8-Speed Automatic | 265 hp | 5.8 L/100 km |
| 430i | 2.0L Turbo Petrol | 8-Speed Automatic | 258 hp | 6.5 L/100 km |
| 430i x | 2.0L Turbo Petrol (xDrive) | 8-Speed Automatic | 258 hp | 6.7 L/100 km |
About the BMW G23
The G23 is the convertible version of the second-generation 4 Series, launched for 2020 alongside the G22 coupe. It features a lightweight fabric soft top that opens in 18 seconds, the controversial large vertical kidney grille and BMW’s latest iDrive and driver assistance technology. Engine choices ranged from efficient four-cylinder diesels and petrols to the M440i’s six-cylinder, with xDrive all-wheel drive available. Elegant with the top down and refined with it up, the G23 is BMW’s open-top grand tourer.
Looking for more 4 Series manuals? See our BMW 4 Series G22 manual, BMW 4 Series F33 manual and BMW 4 Series F32 manual.
Frequently asked questions
What model years does this BMW G23 manual cover?
This manual covers the 2020 to 2024 BMW 4 Series G23 convertible, including all five trims.
Is the G23 the convertible version of the 4 Series?
Yes. The G23 is the convertible version of the second-generation 4 Series, the open-top counterpart to the G22 coupe.
Is this manual suitable for DIY owners?
Yes. The procedures are written clearly enough for DIY owners, while remaining detailed enough for professional technicians.
What format is the manual and how do I get it?
It is an instant PDF download. You can read it on a phone, tablet or computer, search it, and print the pages you need in the garage.
Does it include wiring diagrams?
Yes. Full wiring diagrams and illustrations are included, making electrical diagnosis much simpler.
Get your BMW 4 Series G23 service manual PDF
Keep your BMW 4 Series G23 running at its best. Download the service and repair manual today and get instant access to factory-level guidance for every maintenance and repair job.
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