The **2009 BMW M3 (E90/E91/E92/E93) Service and Repair Manual** provides comprehensive repair and maintenance information for your vehicle. This manual is the same one used by technicians at BMW dealerships, offering detailed, step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for all aspects of your M3.

This manual is your ultimate guide to performing repairs and maintenance on your car, covering a wide range of topics, including:

* **Maintenance:** Routine maintenance schedules, fluid capacities, and recommended parts and procedures.
* **Engine:** Detailed information on the M3's powerful V8 engine, including specifications, troubleshooting guides, and repair procedures.
* **Control System:** Explanations of the engine management system, electronic throttle control, and other critical control systems.
* **Mechanical Systems:** Comprehensive coverage of the M3's mechanical components, including the transmission, differential, suspension, brakes, steering, and more.
* **Fuel Service Specifications:** Precise details on fuel system components, fuel injection, and fuel delivery.
* **Emission Control:** In-depth information on the M3's emissions control system, including catalytic converter, exhaust gas recirculation, and other related components.
* **Intake Exhaust Cooling:** Explanation of the cooling system and its operation, including the radiator, water pump, and thermostat.
* **Lube:** Recommendations for lubricants and fluids for all components of your M3.
* **Ignition Starting Charging:** Detailed information on the ignition system, starting system, and charging system.
* **Auto Transmission Clutch:** Repair and maintenance guidelines for the automatic transmission, including clutch adjustments.
* **Manual Transmission:** Coverage of the manual transmission, including shifting mechanisms and gear ratios.
* **Transfer Propeller Shaft:** Detailed information on the transfer case and propeller shaft.
* **Drive Shaft:** Repair and maintenance procedures for the drive shaft and related components.
* **Differential:** Comprehensive guide to the differential system, including repair and maintenance.
* **Axle Suspension:** Detailed information on the axle and suspension systems, including suspension components, alignment procedures, and troubleshooting.
* **Tire & Wheel:** Guidance on tire sizes, pressure recommendations, wheel specifications, and maintenance.
* **Brake Control:** Explanations of the brake control system, ABS, and other safety features.
* **Brake:** Comprehensive repair and maintenance procedures for the brake system, including calipers, rotors, and pads.
* **Parking Brake:** Troubleshooting and repair information for the parking brake.
* **Steering Column:** Detailed information on the steering column, including adjustments and repairs.
* **Power Steering:** Repair and maintenance procedures for the power steering system.
* **Air Condition:** Explanation of the A/C system, including refrigerant specifications and troubleshooting.
* **Suppl Restraint System:** Detailed information on the supplemental restraint system, including airbags and seatbelts.
* **Seat Belt:** Repair and maintenance procedures for the seatbelt system.
* **Engine Immobilizer:** Explanations of the anti-theft system and immobilizer.
* **Cruise Control:** Troubleshooting and repair information for the cruise control system.
* **Wiper & Washer:** Repair and maintenance procedures for the windshield wiper and washer system.
* **Door Lock:** Guidance on door lock mechanisms and troubleshooting.
* **Meter Audio/Visual:** Information on the instrument cluster, gauges, and warning lights.
* **Horn:** Repair and maintenance procedures for the horn.
* **Windshield/Glass Mirror:** Information on the windshield, windows, and mirrors.
* **Instrument Panel:** Detailed information on the dashboard and instrument panel.
* **Seat:** Repair and maintenance procedures for the seats, including adjustments and upholstery.
* **Engine Hood/ Door:** Information on the hood and door mechanisms.
* **Exterior & Interior:** Guidance on the exterior and interior components of your M3, including trim, paint, and upholstery.
* **Electrical:** Comprehensive coverage of the electrical system, including wiring diagrams, troubleshooting, and repair procedures.
* **Multiplex/ Can Communication:** Explanations of the vehicle's communication systems and networks.

This manual is your trusted source for all your BMW M3 needs, empowering you to perform repairs and maintenance with confidence.

The 2009 BMW M3 (E90 E91 E92 E93) is a high-performance sports car that embodies the spirit of the legendary M division. This fourth generation M3 saw the introduction of a new, naturally-aspirated 4.0-liter V8 engine, replacing the previous inline-six. This powerful engine, generating 414 horsepower and 295 lb-ft of torque, was paired with a six-speed manual or a six-speed SMG (Sequential Manual Gearbox) transmission. The M3 was available in various body styles, including the E90 sedan, E91 wagon, E92 coupe, and E93 convertible. Its lightweight aluminum construction, coupled with a revised suspension system featuring electronically controlled dampers and a limited-slip differential, delivered an exhilarating driving experience. The M3's aggressive styling, featuring flared wheel arches, aerodynamic bodywork, and quad exhaust tips, further emphasized its performance-oriented nature.

While retaining the M3's core DNA, the 2009 model year introduced several refinements. The interior was enhanced with a new dashboard design, updated instrumentation, and high-quality materials. Safety was also a priority, with the inclusion of standard features like stability control, anti-lock brakes, and multiple airbags. The M3's advanced technology included a navigation system, Bluetooth connectivity, and a high-fidelity sound system, making it a well-rounded and enjoyable car to drive. The 2009 BMW M3 remains a highly sought-after and celebrated sports car, renowned for its combination of power, handling, and luxurious amenities. Its iconic status endures, making it a desirable collectible for driving enthusiasts and collectors alike.