BMW G23 — repair instructions and wiring diagrams
Original BMW documentation for the G23 body — what is commonly known as BMW TIS: step-by-step repair and maintenance procedures with illustrations, tightening torques and specifications. Navigation follows the vehicle’s assemblies, as in the factory system.
This body series also has wiring diagrams (what is commonly known as BMW WDS): circuit diagrams, connectors and pinouts, component locations.
- Production years
- 2019–2022
- Body types
- convertible
- Documents
- 8,471
- Wiring diagrams
- available
Open the G23 catalogue Search by title
Model variants
Documents apply to a specific variant: after picking the body you specify engine, drive and build date, and irrelevant procedures are filtered out.
- 420d
- 420i
- 430d
- 430i
- 430i xDrive
- M440d xDrive
- M440i
- M440i xDrive
Example procedures for the G23
One of the most detailed procedures from each section — so you can see what is actually inside. The full list opens after a free registration.
- replace cylinder head11 Engine
- Completely removing and installing front axle with engine and transmission31 Front axle, front suspension
- Replacing the injection system pressure regulator (after vehicle diagnosis)13 Fuel preparation and control
- Removing and installing/replacing evaporator (heating and air-conditioning unit removed)64 Heating and air conditioning
- Remove and install/replace wiring harness section for the engine, engine module 112 Engine electrical system
- Removing and installing/replacing the exhaust manifold18 Exhaust system
- Replacing the radial shaft seal for the torque converter24 Automatic transmission
- Replacing right engine mount22 Engine and transmission mounting
- Replacing convertible top wiring harness (after vehicle diagnosis)54 Slide/tilt sunroof and soft top
- Replacing carrier for dashboard (without draw-off, evacuation and filling)51 Body equipment
- Remove and install/replace the return line to the transmission oil cooler17 Cooling
- Replacing all rubber mounts for rear axle support33 Rear axle, rear-wheel drive, guide
- Replace electrical steering gear (EPS) (Flat rate specification without wheel alignment) (after vehicle diagnosis) (flat rate specification without programming/encoding, see 61 00 ...)32 Steering and Wheel Alignment
- Removing and installing/replacing fuel filler pipe16 Fuel supply
- Replace front left or right door41 Body
- Removing and installing or replacing airbag module on passenger's side72 Body parts and accessories
- Removing and installing head-up display62 Instruments
- Replacing front left or right spring strut (Adaptive chassis and suspension)37 Integrated Suspension Systems
- Replacing grooved ball bearing in propeller shaft centre bearing26 Propeller shaft
- Servicing particulate filter0 Maintenance and general note
- Removing and installing the transfer box27 Transfer box
- Removing and installing/replacing flat motor for rear left or right power window regulator67 Electric motor
- Removing and installing/replacing the speaker (tweeter) (side trim panel, rear left or right)65 Audio, navigation, information systems
- Removing and installing the seat-belt extender controller (LCPA) (left or right)61 General vehicle electrical system