Description
Factory BMW i8 Workshop Manual (2014-2018)
This is the official factory-level workshop manual for the BMW i8 plug-in hybrid sports car, covering all first-generation i12 models sold in the United States from 2014 through 2018. Every repair procedure, torque specification, and wiring schematic found in BMW’s own service network is included here.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol Engine | B38K15T0 1.5L TwinPower Turbo 3-cylinder |
| Electric Motor | BMW eDrive 98 kW (131 hp) |
| Battery | 7.1 kWh lithium-ion high-voltage pack |
| Transmissions | Aisin F21-360 FT EOP 6-speed automatic Steptronic; 2-speed automatic (electric axle) |
| Drive | Plug-in Hybrid AWD (ICE rear, electric front) |
| Model Years | 2014, 2015, 2016, 2017, 2018 |
| Badge Twins | N/A |
Common i8 Repairs Covered
| System | Procedures |
|---|---|
| High-Voltage Battery | 7.1 kWh lithium-ion pack inspection, capacity testing, cell module replacement, and BMS recalibration |
| B38K15T0 Turbocharger | Turbo oil feed line inspection, boost leak diagnosis, and turbocharger removal/installation torque sequences |
| Butterfly Door Hinges | Dihedral door hinge adjustment, strut replacement, and door seal realignment procedures |
| Charging System | AC/DC charging port diagnostics, on-board charger fault codes, and high-voltage wiring harness inspection |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Which body styles are included – Coupe only, or the Roadster as well?
Both the i8 Coupe and the i8 Roadster are covered. Both share the i12 chassis platform and the same B38K15T0/eDrive hybrid powertrain, so all mechanical and electrical procedures in this manual apply to either body style regardless of production year within the 2014-2018 window.
Does the manual cover the high-voltage battery and eDrive electric motor service?
Yes. Full procedures for the 7.1 kWh lithium-ion high-voltage battery pack – including safe isolation, module inspection, and BMS diagnostics – are included alongside complete eDrive electric motor removal, installation, and fault-finding steps. This is the same documentation BMW technicians use for hybrid system service.
Are wiring diagrams and connector pin-outs included for the hybrid electronics?
Yes. The manual contains detailed electrical schematics covering the hybrid power management system, high-voltage cabling, onboard charger circuits, iDrive, LED lighting, and body electronics. Each diagram identifies wire colors, connector locations, and pin assignments to support accurate diagnosis.
What format is the manual?
The manual is delivered as a fully searchable PDF file. It is compatible with Windows, Mac, Linux, tablets, and smartphones. After purchase you can download it immediately and re-download it at any time at no additional cost.
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