BMW I12 — repair instructions and wiring diagrams
Original BMW documentation for the I12 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
- 2013–2020
- Body types
- coupé
- Documents
- 4,075
- Wiring diagrams
- available
Open the I12 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.
- i8
Example procedures for the I12
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.
- Removing and installing complete front axle (Flat rate unit without wheel alignment)31 Front axle, front suspension
- Replace the housing pan for the high-voltage battery unit (high-voltage battery unit removed)61 General vehicle electrical system
- Removing and installing/replacing all injectors (I12, I15)13 Fuel preparation and control
- Remove and install engine with transmission from rear axle module I12 B38T011 Engine
- Guideline for applying brake pad paste on brake pads and caliper carrier34 Brakes
- Removing and installing rear axle module41 Body
- Removing and installing complete drive unit12 Engine electrical system
- Removing and installing/replacing the sound insulation at the front left or right door51 Body equipment
- Bleeding and filling cooling circuit (high-temperature cooling system) with vacuum filling unit17 Cooling
- Removing and installing/replacing a wheel carrier33 Rear axle, rear-wheel drive, guide
- Leak detection with forming gas64 Heating and air conditioning
- Removing and installing electric machine transmission I1227 Transfer box
- Removing and installing/replacing fuel tank (US version)16 Fuel supply
- Replacing front spring strut shock absorber on right or left37 Integrated Suspension Systems
- Removing and installing EGS control unit (AISIN I12)24 Automatic transmission
- BMW engine oil service including old oil disposal \PREMIUM0 Maintenance and general note
- Unlocking/locking airbag plug connections72 Body parts and accessories
- Replacing a tyre36 Wheels with tyres
- Replacing seat cover for front passenger seat52 Seats and motorcycle seat
- Removing and installing the interior movement detector module on the left or right B-pillar65 Audio, navigation, information systems
- Replacing right engine mountI1222 Engine and transmission mounting
- Removing and installing/replacing controller drive for charging power socket67 Electric motor
- Removing and installing/replacing instrument panel62 Instruments
- Removing and installing/sealing or replacing cover for shifting unit (AISIN I12 )25 Gearshift