This comprehensive BMW 1-series F20 F21 2015 Service and Repair Manual offers everything you need to maintain, service, diagnose, and repair your vehicle. It provides the same detailed information used by technicians at dealerships, ensuring accurate and effective repairs.

The manual features step-by-step instructions, clear diagrams, and illustrations, allowing you to understand and complete even complex procedures with ease. Detailed wiring schematics and specifications are included, giving you a complete understanding of your vehicle's electrical system. This manual covers all models and all repairs, providing you with a complete resource for any issue you may encounter.

With its in-depth coverage, you'll find information on:

* **Maintenance:** Routine maintenance schedules, fluid specifications, and recommended procedures.
* **Engine:** Detailed information on engine components, operation, troubleshooting, and repair.
* **Control System:** Understanding your vehicle's electronic control systems, including troubleshooting and repair.
* **Mechanical:** Diagnosis and repair of all mechanical systems, including drivetrain, suspension, brakes, and steering.
* **Fuel Service Specifications:** Detailed information on fuel systems, including injection systems, fuel lines, and fuel tanks.
* **Emission Control:** Understanding emission control systems and their operation, including diagnosis and repair.
* **Intake Exhaust Cooling:** Complete information on intake and exhaust systems, including cooling and ventilation.
* **Lube:** Recommended lubrication specifications and procedures for all vehicle systems.
* **Ignition Starting Charging:** Detailed coverage of ignition systems, starting systems, and charging systems.
* **Auto Transmission Clutch:** Comprehensive information on automatic transmissions, including troubleshooting and repair.
* **Manual Transmission:** Detailed information on manual transmissions, including troubleshooting and repair.
* **Transfer Propeller Shaft:** Diagnosis and repair of transfer cases and propeller shafts.
* **Drive Shaft:** Complete information on drive shafts, including installation and removal.
* **Differential:** Detailed information on differential units, including diagnosis and repair.
* **Axle Suspension:** Complete coverage of axle and suspension systems, including diagnosis and repair.
* **Tire & Wheel:** Information on tire and wheel specifications, maintenance, and repair.
* **Brake Control:** Understanding braking systems, including ABS and electronic brake control.
* **Brake:** Diagnosis and repair of brake systems, including calipers, rotors, and pads.
* **Parking Brake:** Information on parking brake systems, including troubleshooting and repair.
* **Steering Column:** Comprehensive information on steering columns, including diagnosis and repair.
* **Power Steering:** Detailed information on power steering systems, including troubleshooting and repair.
* **Air Condition:** Complete coverage of air conditioning systems, including diagnosis and repair.
* **Suppl Restraint System:** Understanding and maintaining your vehicle's safety systems, including airbags and seatbelts.
* **Seat Belt:** Detailed information on seatbelt systems, including installation and repair.
* **Engine Immobilizer:** Information on engine immobilizer systems, including troubleshooting and repair.
* **Cruise Control:** Diagnosis and repair of cruise control systems.
* **Wiper & Washer:** Complete coverage of windshield wiper and washer systems, including troubleshooting and repair.
* **Door Lock:** Information on door lock systems, including diagnosis and repair.
* **Meter Audio/Visual:** Understanding and troubleshooting your vehicle's instrument cluster and audio/visual systems.
* **Horn:** Diagnosis and repair of horn systems.
* **Windshield/Glass Mirror:** Information on windshield, glass, and mirror replacement.
* **Instrument Panel:** Detailed information on instrument panel components and repairs.
* **Seat:** Complete coverage of seating systems, including diagnosis and repair.
* **Engine Hood/ Door:** Information on engine hood and door systems, including diagnosis and repair.
* **Exterior & Interior:** Complete information on your vehicle’s exterior and interior, including diagnosis and repair.
* **Electrical:** In-depth coverage of your vehicle's electrical systems, including wiring diagrams and troubleshooting procedures.
* **Multiplex/ Can Communication:** Understanding and troubleshooting your vehicle's multiplex and CAN communication systems.

This manual empowers you to confidently handle repairs and maintenance, saving you time and money.

The BMW 1-Series F20 and F21, produced from 2011 to 2019, represent the second generation of the compact executive hatchback model. While maintaining the essence of the original 1-Series, these models introduced a more refined design, enhanced driving dynamics, and a broader range of powertrain options. The F20 body style was a standard five-door hatchback, while the F21 variant was a three-door model. The 1-Series F20/F21 embodied the BMW philosophy of driving pleasure, offering a rear-wheel-drive platform with precise handling and responsive steering. The platform's versatility allowed for a variety of engine options, including gasoline and diesel units, with power outputs ranging from 101 to 326 horsepower. The F20/F21 1-Series was also notable for its use of lightweight materials, contributing to enhanced fuel efficiency and improved handling.

Beyond its driving qualities, the 1-Series F20/F21 offered a refined interior with high-quality materials and a focus on ergonomics. The cabin featured a driver-centric layout, intuitive controls, and a well-equipped instrument panel. The 1-Series also benefitted from a wide array of technological advancements, including BMW's iDrive infotainment system, navigation capabilities, and various safety features like anti-lock brakes, traction control, and stability control. The 1-Series F20/F21 was a significant step forward for the model, offering an engaging driving experience, refined aesthetics, and a comprehensive set of features. Its combination of performance, practicality, and technology made it a popular choice among buyers seeking a compact, premium hatchback with a sporty character.