BMW G42 — repair instructions and wiring diagrams
Original BMW documentation for the G42 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
- 2020–2022
- Body types
- coupé
- Documents
- 7,636
- Wiring diagrams
- available
Open the G42 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.
- 218i
- 220d
- 220i
- 230i
- 230i xDrive
- M240i
- M240i xDrive
Example procedures for the G42
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
- Removing and installing/replacing evaporator (heating and air-conditioning unit removed)64 Heating and air conditioning
- Remove and install / replace Module 1, sensor system engine wiring12 Engine electrical system
- Replace front axle differential31 Front axle, front suspension
- Removing and installing/replacing the exhaust manifold18 Exhaust system
- Replacing the radial shaft seal for the torque converter24 Automatic transmission
- Replacing carrier for dashboard (without draw-off, evacuation and filling)51 Body equipment
- Replacing purge air line, rear16 Fuel supply
- Remove and install/replace the return line to the transmission oil cooler17 Cooling
- Replacing right engine mount22 Engine and transmission mounting
- 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
- Replacing glass slide/tilt sunroof frame (Glass slide/tilt sunroof removed)54 Slide/tilt sunroof and soft top
- Replacing all rubber mounts for rear axle support33 Rear axle, rear-wheel drive, guide
- Replacing the drive for the glass slide/tilt sunroof panel (after vehicle diagnosis)67 Electric motor
- Removing and installing or replacing airbag unit on passenger's side72 Body parts and accessories
- Removing and installing head-up display62 Instruments
- Replace front left or right door41 Body
- Replacing the injection system pressure regulator (after vehicle diagnosis)13 Fuel preparation and control
- Removing and installing/renewing roof aerial65 Audio, navigation, information systems
- Replacing the telematics control unit under the headlining (with slide/tilt sunroof) (after vehicle diagnosis) (FRU specification without programming/encoding, see 61 00 ...)84 Communication systems
- Replacing front left or right spring strut (Adaptive chassis and suspension)37 Integrated Suspension Systems
- Removing/installing/replacing seat and backrest frame for driver’s seat52 Seats and motorcycle seat
- Replacing grooved ball bearing in propeller shaft centre bearing26 Propeller shaft
- Replacing the output flange on the transfer box at the rear27 Transfer box