Description
Factory BMW 1 Series Workshop Manual (2012–2015)
This is the complete factory-level workshop manual for the BMW 1 Series F20 and F21 covering model years 2012 through 2015 — giving American enthusiasts and independent shops the same technical depth used by BMW-authorized dealers.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | N13 1.6L naturally aspirated, N13 1.6L turbo, N20 2.0L turbo, N55 3.0L turbo (M135i) |
| Diesel | N47 1.6L turbo, N47 2.0L turbo (114d, 116d, 118d, 120d, 125d) |
| Transmissions | 6-speed manual, 8-speed ZF automatic |
| Drive | RWD |
| Model Years | 2012, 2013, 2014, 2015 (pre-facelift) |
| Badge Twins | N/A |
Common 1 Series Repairs Covered
| System | Procedures |
|---|---|
| N47 Diesel Timing Chain | Rear-mounted timing chain replacement, tensioner inspection, and wear assessment — a known failure point on N47 diesels |
| Cooling System | Thermostat housing replacement, coolant expansion tank repair, and pressure testing on N20 turbo engines |
| Brakes | Front and rear pad/rotor service, brake fluid flush, DSC sensor diagnostics, and caliper overhaul |
| Electrical / iDrive | Body control module diagnostics, wiring harness repair, lighting circuit faults, and comfort access troubleshooting |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the notorious N47 diesel timing chain failure addressed in this manual?
Yes. The N47 engine’s rear-mounted timing chain is one of the most documented failure points on this generation. The manual includes full procedures for chain inspection, tensioner replacement, and complete timing chain renewal, along with torque specifications and special tool requirements.
Which chassis codes does this manual cover — F20, F21, or both?
Both the F20 five-door hatchback and the F21 three-door hatchback are fully covered. This applies to all trim grades including Sport, M Sport, and the performance M135i variant across both body styles.
Are wiring diagrams and electrical schematics included?
Complete electrical documentation is included, covering engine management, iDrive, climate control, lighting, comfort access, and all body electrical circuits. Diagrams show connector locations, pin assignments, and wire color coding to support accurate fault diagnosis.
What format is the manual?
The manual is a PDF file, compatible with Windows, Mac, Linux, iOS, and Android devices. The fully searchable text lets you jump directly to any procedure, spec, or fault code. Individual pages or entire chapters can be printed as needed.
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