2023 BMW Z4 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- M40i Convertible 2-Door
- sDrive20i Convertible 2-Door
- sDrive30i Convertible 2-Door
Engines covered
- 3.0L 2998CC l6 GAS DOHC Turbocharged
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
BMW of North Americal, LLC (BMW) is recalling certain 2023 8 Series Coupe (840i, 840i xDrive, M850i xDrive, M8), 8 Series Convertible (840i, 840i xDrive, M850i xDrive, M8), 8 Series Gran Coupe (840i,
Unintentionally closing the windows or sunroof without the key present can increase the risk of inju
Dealers will update the software for the Electronic Control Unit (ECU), free of charge. In addition
BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDriv
Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, c
Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as n
The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
When driving over an uneven road surface, a thumping noise can be heard from the front axle. Seeattached video V 31 01 26. Under certain weather conditions, a groaning noise may be heard during steering movements
When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
After prolonged straight-ahead driving (e.g. highway driving), there may be a temporary, slightly noticeable increase in steering forces when steering out of the steering wheel center position. This minimally noticeable increase in steering
While driving on an uneven road, a clickingsound is heard from the front bow/cowl panelarea of the convertible top.
The customer may hear an intermittent humming or foghorn type sound in vehicle. It sounds like a lowhum that last for only a few seconds. This can occur with the engine operating or may be heard for up to one hour after engine shut down.
The convertible top does not open or close.
When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
Showing the 8 most recent of 36 technical service bulletins on file with NHTSA.
