This comprehensive service and repair manual provides detailed instructions, diagrams, illustrations, wiring schematics, and specifications for maintaining, servicing, diagnosing, and repairing your BMW 3-series E90, E91, E92, and E93 model year 2010. It covers all models and repairs, from routine maintenance to complex troubleshooting. The manual is structured for ease of use, allowing you to quickly locate the information you need for any repair task. This manual is the same one used by technicians at BMW dealerships, giving you access to the same level of expertise.

With clear step-by-step instructions, you can confidently perform repairs and maintenance on your own, saving you time and money. The manual encompasses a wide range of topics:

* **Maintenance:** Routine checks, fluid changes, filter replacements, and other essential maintenance procedures.
* **Engine:** Engine components, operation, diagnosis, and repair, including fuel systems, emission control, cooling systems, and more.
* **Mechanical:** Detailed information on transmissions, differentials, axles, suspension, steering, brakes, and other mechanical components.
* **Electrical:** Wiring diagrams, troubleshooting guides, and repair procedures for electrical systems, including the car's multiplex network and CAN communication system.
* **Additional Systems:** In-depth coverage of systems such as air conditioning, restraint systems, cruise control, wipers and washers, door locks, and more.

This manual is your complete guide to understanding and working on your BMW 3-series, empowering you to take control of your vehicle's care.

The BMW 3-Series E90/E91/E92/E93, produced from 2005 to 2011, represents the fifth generation of BMW's iconic compact executive car. This generation, internally known as the E90, spanned a range of body styles, including the four-door sedan (E90), the five-door touring station wagon (E91), the two-door coupé (E92), and the two-door convertible (E93), catering to a wide range of driver preferences. The E90 series offered a blend of sporty driving dynamics, refined comfort, and a premium interior, further solidifying the 3-Series' position as a benchmark in the segment.

Under the hood, the E90 generation boasted a diverse array of petrol and diesel engines, ranging from the 4-cylinder N46 and N47 engines to the powerful six-cylinder N52 and N53 units, and even the potent M3's V8 S65 engine. The E90 series also introduced the first diesel engine in the 3-Series' lineup, the N47, which proved remarkably fuel-efficient and powerful. The E90 generation was renowned for its innovative features, such as the optional iDrive infotainment system, the first generation of BMW's head-up display, and the availability of adaptive xenon headlights. This generation also saw the introduction of several safety advancements, including electronic stability control, anti-lock brakes, and multiple airbags. The combination of refined performance, luxury features, and reliable engineering solidified the E90 3-Series as a desirable and highly sought-after model in the automotive market.