BMW G12 — repair instructions and wiring diagrams
Original BMW documentation for the G12 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
- 2014–2022
- Body types
- sedan
- Documents
- 12,568
- Wiring diagrams
- available
Open the G12 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.
- 725Ld
- 730Ld
- 730Ld xDrive
- 730Li
- 740Ld xDrive
- 740Le iPerformance
- 740Le xDrive
- 740Le xDrive iPerformance
- 740Li
- 740Li xDrive
- 745Le
- 745Le xDrive
- 750Ld xDrive
- 750Li
- 750Li xDrive
- M760Li xDrive
Example procedures for the G12
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.
- Replacing crankshaft11 Engine
- Removing and installing/replacing evaporator (heating and air-conditioning unit removed)64 Heating and air conditioning
- Completely removing and installing front axle with engine and transmission31 Front axle, front suspension
- Replacing carrier for dashboard51 Body equipment
- Removing and installing/replacing the exhaust manifold18 Exhaust system
- Replacing right engine mounting bracket22 Engine and transmission mounting
- Replace wiring harness section for engine12 Engine electrical system
- Replacing the radial shaft seal for the torque converter24 Automatic transmission
- Replacing the injection system pressure regulator (after vehicle diagnosis)13 Fuel preparation and control
- Servicing particulate filter0 Maintenance and general note
- Removing and installing/replacing the oil feed line for engine oil cooling (Engine oil cooler, right)17 Cooling
- Removing and installing or replacing airbag module on passenger's side72 Body parts and accessories
- Removing and installing head-up display62 Instruments
- Removing and installing USB hub84 Communication systems
- Remove and install/replace high voltage wiring harness KLE - EME61 General vehicle electrical system
- Replacing rear cover gasket on rear axle final drive33 Rear axle, rear-wheel drive, guide
- Replace radial shaft seal for output to the front axle27 Transfer box
- Removing and installing/replacing metering line for Selective Catalytic Reduction (SCR)16 Fuel supply
- Replacing grooved ball bearing in propeller shaft centre bearing26 Propeller shaft
- Removing and installing/replacing backrest frame for front passenger seat52 Seats and motorcycle seat
- Replacing 4l pressure accumulator37 Integrated Suspension Systems
- Removing and installing / replacing lower section of steering shaft32 Steering and Wheel Alignment
- Replace gasket for panorama glass roof frame54 Slide/tilt sunroof and soft top
- Replacing rear left or right door41 Body