This comprehensive BMW 1-series F20 F21 2012 Service and Repair Manual provides detailed instructions, diagrams, and specifications for maintaining, servicing, diagnosing, and repairing your vehicle. It's the same manual used by technicians at dealerships, giving you access to the same level of expertise.

The manual covers all models and repairs in detail, from basic maintenance to complex engine and transmission work. You'll find complete step-by-step instructions, wiring schematics, and illustrations to guide you through every procedure.

The information is organized for easy navigation, allowing you to quickly find the specific information you need. You can print out individual pages or diagrams to take with you to your garage or workshop, eliminating the need for bulky, easily damaged paper manuals.

This manual covers a wide range of topics, including:

* **Maintenance:** Routine checks, oil changes, filter replacements, and more.
* **Engine:** Detailed information on engine repair, including troubleshooting and repair procedures for all components.
* **Control System:** Diagnosis and repair of electronic control systems, including engine management, transmission control, and ABS.
* **Mechanical:** Comprehensive coverage of mechanical systems, including the fuel system, cooling system, and exhaust system.
* **Fuel Service Specifications:** Specific information on fuel system components and requirements.
* **Emission Control:** Diagnosing and repairing emission control systems, ensuring compliance with environmental regulations.
* **Intake Exhaust Cooling:** Detailed information on the intake and exhaust systems, including cooling and related components.
* **Lube:** Information on lubrication systems, including oil types and change intervals.
* **Ignition Starting Charging:** Comprehensive coverage of ignition, starting, and charging systems.
* **Auto Transmission Clutch:** Diagnosis and repair of automatic transmissions, including clutch systems.
* **Manual Transmission:** Troubleshooting and repair of manual transmissions.
* **Transfer Propeller Shaft:** Procedures for inspecting, maintaining, and repairing transfer cases and propeller shafts.
* **Drive Shaft:** Information on inspecting, maintaining, and repairing drive shafts.
* **Differential:** Diagnosis and repair of differential units.
* **Axle Suspension:** Comprehensive coverage of axle and suspension systems, including repair procedures.
* **Tire & Wheel:** Information on tire and wheel specifications, maintenance, and repair.
* **Brake Control:** Diagnosis and repair of brake control systems, including ABS.
* **Brake:** Detailed information on brake system components and repair procedures.
* **Parking Brake:** Troubleshooting and repair of parking brake systems.
* **Steering Column:** Diagnosis and repair of steering columns.
* **Power Steering:** Information on power steering systems, including troubleshooting and repair procedures.
* **Air Condition:** Comprehensive coverage of air conditioning systems, including maintenance and repair.
* **Suppl Restraint System:** Diagnosis and repair of supplemental restraint systems, such as airbags.
* **Seat Belt:** Procedures for inspecting, maintaining, and repairing seatbelts.
* **Engine Immobilizer:** Information on engine immobilizer systems, including troubleshooting and repair.
* **Cruise Control:** Diagnosis and repair of cruise control systems.
* **Wiper & Washer:** Troubleshooting and repair of windshield wiper and washer systems.
* **Door Lock:** Information on door lock mechanisms and repair procedures.
* **Meter Audio/Visual:** Details on instrument cluster and audio/visual systems.
* **Horn:** Repair and troubleshooting of horn systems.
* **Windshield/Glass Mirror:** Information on windshield, glass, and mirror repair and replacement.
* **Instrument Panel:** Troubleshooting and repair of instrument panels.
* **Seat:** Repair and replacement procedures for seats.
* **Engine Hood/ Door:** Procedures for inspecting, adjusting, and repairing hood and door mechanisms.
* **Exterior & Interior:** Information on exterior and interior components, including trim, upholstery, and lighting.
* **Electrical:** Troubleshooting and repair of electrical systems, including wiring diagrams.
* **Multiplex/ Can Communication:** Troubleshooting and repair of multiplex and CAN communication systems.

This manual provides you with the knowledge and tools to confidently maintain and repair your BMW 1-series F20 F21 2012, saving you time and money.

The BMW 1-Series F20/F21, produced from 2011 to 2019, represents the second generation of the compact executive hatchback model range from the German luxury automaker, BMW. This generation marked a significant departure from its predecessor, featuring a new platform, a wider range of engines, and a more refined and sophisticated design. The F20 designation refers to the 3-door hatchback variant, while the F21 denotes the 5-door model. The 1-Series F20/F21 was available with a variety of petrol and diesel engines, ranging in power from 116 to 326 hp. The engine options comprised both naturally aspirated and turbocharged units, with transmissions including a six-speed manual, a six-speed automatic, and a seven-speed dual-clutch transmission (DCT). The F20/F21 generation of the 1-Series was praised for its sharp handling, balanced ride, and refined interior. It also offered a good level of equipment, including standard features like Bluetooth connectivity, a CD player, and a USB port.

Key features of the 1-Series F20/F21 include its rear-wheel drive configuration, which provides agile handling and precise steering. The platform offers a stiff chassis and suspension, offering a comfortable ride while maintaining responsiveness. The interior features a driver-focused cockpit with ergonomically designed controls and high-quality materials. The 1-Series F20/F21 was also available with various optional features, including a panoramic sunroof, a head-up display, a navigation system, and a Harman Kardon sound system. This generation of the 1-Series cemented its position as a capable and stylish entry-level luxury hatchback, offering a compelling blend of performance, practicality, and technology. The F20/F21 generation proved popular for its sporty driving dynamics and premium feel, making it a strong competitor in the compact executive segment.