BMW G18 — repair instructions and wiring diagrams
Original BMW documentation for the G18 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
- 2021–2022
- Body types
- SUV
- Documents
- 7,092
- Wiring diagrams
- available
Open the G18 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.
- X5 xDrive30Li
- X5 xDrive40Li
Example procedures for the G18
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 all crankshaft main bearing shells (Crankshaft removed)11 Engine
- Removing and installing front axle differential31 Front axle, front suspension
- Replacing left engine support bracket22 Engine and transmission mounting
- Removing and installing/renewing evaporator (Heating and air-conditioning unit removed)64 Heating and air conditioning
- Replacing carrier for dashboard51 Body equipment
- Replace fuel tank16 Fuel supply
- Replacing all rubber mounts for rear axle support33 Rear axle, rear-wheel drive, guide
- Removing and installing starter motor generator12 Engine electrical system
- Removing and installing Power Control Unit 48V (PCU 48)61 General vehicle electrical system
- Remove and install all injectors in the injection system13 Fuel preparation and control
- Removing and installing head-up display62 Instruments
- Removing and installing or replacing airbag module on passenger's side72 Body parts and accessories
- Replace backrest cover for passenger's side52 Seats and motorcycle seat
- Replacing upper section of tailgate41 Body
- Replacing the drive cable for the glass slide/tilt sunroof panel (Panorama glass roof removed)54 Slide/tilt sunroof and soft top
- Removing and installing/replacing emergency power siren with tilt sensor65 Audio, navigation, information systems
- Removing and installing rear radar sensor short range left66 Distance system, Cruise control, remote operation
- Replacing rear left or right spring strut (Adaptive chassis and suspension) (flat rate specification without wheel alignment)37 Integrated Suspension Systems
- Removing and installing/replacing the transmission oil cooler17 Cooling
- Removing and installing/replacing catalytic converter18 Exhaust system
- Remove and install both rear lights of side panel63 Lights
- Removing and installing/replacing LTE line compensator (after vehicle diagnosis) (with DAB tuner)84 Communication systems
- Removing and installing/replacing drive unit for thigh support (after vehicle diagnosis)67 Electric motor
- Replacing rear left or right brake caliper (Without break bleed)34 Brakes