BMW G15 — repair instructions and wiring diagrams
Original BMW documentation for the G15 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
- 2017–2022
- Body types
- coupé
- Documents
- 8,448
- Wiring diagrams
- available
Open the G15 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.
- 840d xDrive
- 840i
- 840i xDrive
- M850i xDrive
Example procedures for the G15
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.
- Disassembling and assembling the cylinder head on the left11 Engine
- Completely removing and installing front axle with engine and transmission31 Front axle, front suspension
- Remove and install / replace wiring harness section, sensor system module cylinder 5-812 Engine electrical system
- Removing and installing/replacing both exhaust manifolds18 Exhaust system
- Replacing right engine mounting bracket22 Engine and transmission mounting
- Servicing particulate filter0 Maintenance and general note
- Replacing the injection system pressure regulator (after vehicle diagnosis)13 Fuel preparation and control
- Removing and installing / replacing lower section of steering shaft32 Steering and Wheel Alignment
- Removing and installing/renewing evaporator (Heating and air-conditioning unit removed)64 Heating and air conditioning
- Replacing carrier for dashboard51 Body equipment
- Replacing the radial shaft seal for the torque converter24 Automatic transmission
- Removing and installing head-up display62 Instruments
- Replacing purge air line, front16 Fuel supply
- Replacing all rubber mounts for rear axle support (Flat rate unit without wheel alignment)33 Rear axle, rear-wheel drive, guide
- Replace front left or right door41 Body
- Replace radial shaft seal for output to the front axle27 Transfer box
- Removing and installing or replacing airbag module on passenger's side72 Body parts and accessories
- Replacing grooved ball bearing in propeller shaft centre bearing26 Propeller shaft
- Removing and installing/replacing the thermostat for the transmission oil line17 Cooling
- Removing and installing/replacing seat and backrest frame for front passenger seat52 Seats and motorcycle seat
- Replacing rear active anti-roll bar (after vehicle diagnosis) (flat rate specification without programming/encoding, see 61 00 ...)37 Integrated Suspension Systems
- Replacing trim on gear selector switch and all trim of the operating facility in the centre console61 General vehicle electrical system
- Replacing rear left or right brake caliper (Without break bleed)34 Brakes
- Replace airbag control unit65 Audio, navigation, information systems