This comprehensive service and repair manual for the BMW 3-Series E90, E91, E92, and E93 models from 2011 provides detailed instructions and diagrams for all aspects of vehicle maintenance and repair. This manual is identical to the one used by technicians at BMW dealerships, giving you access to the same expert information.

The manual covers a wide range of topics including:

* **Maintenance:** Regular maintenance procedures such as oil changes, filter replacements, and fluid checks are outlined in detail.
* **Engine:** This section covers everything from engine diagnostics and troubleshooting to complete engine rebuilds, including detailed instructions for each component.
* **Control System:** Detailed information about the vehicle's electronic control systems, including diagnostics and troubleshooting procedures.
* **Mechanical:** Comprehensive repair information for all mechanical systems, including the transmission, suspension, brakes, and steering.
* **Fuel Service Specifications:** Precise specifications for fuel systems, including fuel injectors, fuel lines, and fuel pumps.
* **Emission Control:** Thorough explanations and repair procedures for the vehicle's emission control system, ensuring compliance with environmental regulations.
* **Intake Exhaust Cooling:** Detailed information on the components and functions of the intake and exhaust cooling systems.
* **Lube:** Comprehensive information about lubrication systems and recommended lubricants for all vehicle components.
* **Ignition Starting Charging:** Detailed explanations and repair procedures for the ignition system, starting system, and charging system.
* **Auto Transmission Clutch:** Detailed repair instructions and troubleshooting guidance for automatic transmissions and clutches.
* **Manual Transmission:** Comprehensive instructions and diagrams for servicing and repairing manual transmissions.
* **Transfer Propeller Shaft:** Detailed information and repair procedures for the transfer case and propeller shaft.
* **Drive Shaft:** Explanation and repair instructions for the drive shaft system.
* **Differential:** Thorough coverage of differential systems, including diagnosis and repair.
* **Axle Suspension:** Detailed instructions on suspension systems, including components, diagnostics, and repair procedures.
* **Tire & Wheel:** Comprehensive information on tires, wheels, and associated systems for safe and efficient operation.
* **Brake Control:** Detailed explanations and repair procedures for the brake control system, ensuring proper braking function.
* **Brake:** In-depth coverage of brake systems, including components, diagnostics, and repair procedures.
* **Parking Brake:** Detailed instructions on the parking brake system, including diagnosis and repair.
* **Steering Column:** Thorough information on the steering column, including components and repair procedures.
* **Power Steering:** Comprehensive coverage of power steering systems and their components.
* **Air Condition:** Detailed instructions for servicing and repairing the air conditioning system.
* **Suppl Restraint System:** Thorough information and repair procedures for the supplemental restraint system, ensuring passenger safety.
* **Seat Belt:** Detailed explanations and repair procedures for seat belt systems.
* **Engine Immobilizer:** Comprehensive information on the engine immobilizer system, including diagnostics and troubleshooting.
* **Cruise Control:** Detailed instructions on cruise control systems, including diagnostics and repair.
* **Wiper & Washer:** Thorough information on wiper and washer systems, including components and repair procedures.
* **Door Lock:** Detailed instructions and diagrams for servicing and repairing door lock systems.
* **Meter Audio/Visual:** Comprehensive information on the vehicle's instrument cluster and audio/visual systems.
* **Horn:** Explanation and repair procedures for the horn system.
* **Windshield/Glass Mirror:** Detailed information on windshield and mirror systems, including repair procedures.
* **Instrument Panel:** Thorough information and repair procedures for the instrument panel.
* **Seat:** Detailed instructions on seat systems, including components and repair procedures.
* **Engine Hood/ Door:** Comprehensive information on the engine hood and doors, including repair procedures.
* **Exterior & Interior:** Detailed information on exterior and interior components and their repair procedures.
* **Electrical:** In-depth coverage of the vehicle's electrical systems, including wiring diagrams and troubleshooting procedures.
* **Multiplex/ Can Communication:** Thorough information on multiplex and CAN communication systems, crucial for modern vehicle diagnostics.

This comprehensive manual is a valuable resource for DIY mechanics, professionals, and anyone looking to understand the complexities of their BMW 3-Series.

The BMW 3-Series E90, E91, E92, and E93 models, produced from 2005 to 2011, represent a significant chapter in the renowned German automaker's history. This generation, internally designated as the E90 platform, marked a notable departure from its predecessors, featuring a redesigned chassis, a more refined interior, and an array of cutting-edge technologies. The E90 body style denoted the four-door sedan, E91 the touring station wagon, E92 the two-door coupe, and E93 the convertible. Engine options ranged from efficient four-cylinder petrol and diesel units to powerful six-cylinder and even a 4.8-liter V8 in the high-performance M3 variant. This generation boasted a sophisticated suspension system, known for its precise handling and responsive nature, contributing to the 3-Series' enduring reputation as a driver's car. The interior, while maintaining a traditional BMW design language, showcased a move towards premium materials and enhanced ergonomics, offering a comfortable and luxurious driving experience.

Beyond its core attributes, the E90 generation 3-Series incorporated numerous innovative features, including the groundbreaking iDrive infotainment system, which provided a central interface for controlling audio, navigation, and vehicle settings. The introduction of active safety technologies like lane departure warning and blind spot monitoring further cemented its position as a technological leader. These innovations, combined with the 3-Series' inherent sporty character and refined design, solidified its status as a benchmark in the premium compact executive segment. This popularity has also led to a thriving aftermarket scene catering to the needs of owners looking to enhance their vehicles, with numerous performance upgrades, styling modifications, and parts available. The E90 generation, therefore, continues to be a desirable choice for enthusiasts seeking a blend of sporty driving dynamics, luxury, and technological sophistication.