This comprehensive service and repair manual for the BMW 3-series E90, E91, E92, and E93 models from 2009 provides detailed information and instructions for maintaining, servicing, diagnosing, and repairing your vehicle. It includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications. The manual is structured to cover every aspect of your vehicle, from routine maintenance to intricate repairs, ensuring you have the knowledge to address any issue.

The manual offers a comprehensive scope, covering all models and repairs from A to Z. You'll find detailed instructions and guidance on a wide range of systems and components, including:

* **Engine:** This section delves into the engine's workings, covering aspects like maintenance, repair, control systems, mechanical components, fuel service specifications, emission control, intake and exhaust, cooling systems, lubrication, ignition, starting, and charging.
* **Transmission:** Whether your vehicle features an automatic or manual transmission, the manual provides detailed information on their operation, maintenance, and repair, including clutch systems, transfer case, propeller shaft, drive shaft, differential, and axles.
* **Suspension and Steering:** The manual provides guidance on maintaining and repairing your vehicle's suspension and steering systems, covering tire and wheel components, brake control systems, brakes, parking brakes, steering columns, power steering, and air conditioning.
* **Safety Systems:** The manual covers the vehicle's safety systems, including details on the supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wipers and washers, door locks, and horn systems.
* **Electrical Systems:** The manual provides a deep dive into your vehicle's electrical systems, covering the multiplex system, CAN communication, instrument panels, seats, engine hood and door mechanisms, exterior and interior components, and more.

With this manual, you'll have everything you need to confidently maintain and repair your BMW 3-series, saving you time and money.

The BMW 3-Series E90, E91, E92, and E93 models, produced from 2005 to 2012, represent a significant evolution in the iconic 3-Series lineage. This fifth generation of the popular sedan, wagon, coupe, and convertible models were characterized by a refined design language, enhanced performance, and technologically advanced features. The E90 body style, encompassing the sedan and wagon variants, introduced a sleeker profile with sharp lines and a larger grille. The E92 coupe and E93 convertible followed suit, showcasing a sportier aesthetic with a low-slung roofline and aggressive styling. Under the hood, the E90/E91/E92/E93 models offered a diverse engine lineup, ranging from fuel-efficient four-cylinder units to powerful V6 and V8 options. Notably, the introduction of the M3 model, powered by a high-revving V8 engine, further solidified the 3-Series reputation for performance and driving dynamics.

Beyond the exterior and mechanical enhancements, the E90/E91/E92/E93 3-Series models incorporated a wealth of innovative technologies. The iDrive system, introduced in the previous generation, was refined and enhanced, providing intuitive controls for navigation, audio, and vehicle settings. The availability of features like adaptive headlights, head-up display, and a suite of driver assistance systems cemented the 3-Series as a technologically advanced and safety-conscious vehicle. The E90/E91/E92/E93 3-Series models continued to build upon the legacy of its predecessors, offering a compelling combination of style, performance, and technology that cemented its position as a benchmark in the premium compact executive car segment. The BMW 3-Series E90/E91/E92/E93 models remain popular choices for enthusiasts and drivers seeking a balance of luxury, driving pleasure, and practicality.