This comprehensive service and repair manual for the BMW Z4 E85 E86, covering the 2007 model year, provides detailed instructions, diagrams, illustrations, wiring schematics, and specifications to aid in the maintenance, servicing, diagnosis, and repair of your vehicle. This manual is the same one used by technicians at BMW dealerships.

The manual offers step-by-step guidance for a wide range of repairs and maintenance tasks, ensuring a thorough understanding of your vehicle's systems. You'll find information on:

* **Maintenance:** Routine maintenance procedures, schedules, and specifications for keeping your Z4 in top condition.
* **Engine:** Detailed information on the engine, including its components, operation, diagnosis, and repair procedures.
* **Control System:** Comprehensive coverage of the vehicle's electronic control systems, including engine management, transmission control, and other systems.
* **Mechanical:** In-depth explanations of the mechanical systems, such as the transmission, suspension, brakes, and steering.
* **Fuel Service Specifications:** Detailed specifications for fuel systems, including fuel lines, injectors, and pumps.
* **Emission Control:** Information on the emissions control system, including catalytic converters, oxygen sensors, and other components.
* **Intake Exhaust Cooling:** Complete coverage of the intake and exhaust systems, including cooling systems.
* **Lube:** Lubrication specifications and procedures for all components requiring lubrication.
* **Ignition Starting Charging:** Detailed information on the ignition, starting, and charging systems.
* **Auto Transmission Clutch:** Complete coverage of the automatic transmission, clutch systems, and their operation.
* **Manual Transmission:** Detailed information on the manual transmission, including its components, operation, and repair procedures.
* **Transfer Propeller Shaft:** Coverage of the transfer case, propeller shaft, and driveline components.
* **Drive Shaft:** Information on the drive shaft, including its components, operation, and repair procedures.
* **Differential:** Complete coverage of the differential, including its components, operation, and repair procedures.
* **Axle Suspension:** Detailed information on the axles, suspension systems, and their components.
* **Tire & Wheel:** Specifications for tires and wheels, including replacement procedures.
* **Brake Control:** Coverage of the brake control system, including ABS and other safety features.
* **Brake:** Detailed information on the brake systems, including calipers, rotors, pads, and other components.
* **Parking Brake:** Information on the parking brake system and its operation.
* **Steering Column:** Complete coverage of the steering column, including its components, operation, and repair procedures.
* **Power Steering:** Detailed information on the power steering system, including its components, operation, and repair procedures.
* **Air Condition:** Information on the air conditioning system, including its components, operation, and repair procedures.
* **Suppl Restraint System:** Coverage of the supplemental restraint system, including airbags and seatbelts.
* **Seat Belt:** Detailed information on the seatbelt system, including its components, operation, and repair procedures.
* **Engine Immobilizer:** Information on the engine immobilizer system and its operation.
* **Cruise Control:** Complete coverage of the cruise control system, including its components, operation, and repair procedures.
* **Wiper & Washer:** Detailed information on the wiper and washer systems, including their components, operation, and repair procedures.
* **Door Lock:** Coverage of the door lock system, including its components, operation, and repair procedures.
* **Meter Audio/Visual:** Information on the instrument cluster, audio system, and other display systems.
* **Horn:** Complete coverage of the horn system, including its components, operation, and repair procedures.
* **Windshield/Glass Mirror:** Detailed information on the windshield, other glass components, and mirrors.
* **Instrument Panel:** Information on the instrument panel, including its components, operation, and repair procedures.
* **Seat:** Complete coverage of the seats, including their components, operation, and repair procedures.
* **Engine Hood/ Door:** Detailed information on the engine hood and doors, including their components, operation, and repair procedures.
* **Exterior & Interior:** Coverage of the exterior and interior of the vehicle, including trim, upholstery, and other components.
* **Electrical:** Comprehensive coverage of the vehicle's electrical system, including wiring diagrams and troubleshooting guides.
* **Multiplex/ Can Communication:** Detailed information on the multiplex and CAN communication systems, including their operation and diagnostics.

This comprehensive manual provides the knowledge and guidance needed to perform a wide range of repairs and maintenance tasks on your BMW Z4 E85 E86.

The BMW Z4 E85/E86, produced from 2003 to 2008, was the first generation of the Z4 roadster, a sleek and sporty two-seater designed to succeed the Z3. The E85 model, featuring a hardtop convertible roof, was launched in 2003, followed by the E86 coupe in 2006. This generation of Z4 embodied BMW's commitment to driving pleasure, offering a blend of sharp handling, powerful engines, and sophisticated design. The Z4's low-slung profile, distinctive front grille with kidney-shaped elements, and swept-back headlights instilled a visually aggressive stance. Available with a range of inline-four and inline-six engines, the Z4 provided a dynamic driving experience with responsive acceleration and precise steering. For those seeking even greater performance, the M Roadster and M Coupe versions boasted a naturally-aspirated 3.2-liter inline-six engine capable of producing over 330 horsepower, granting exhilarating acceleration and a thrilling driving experience.

The Z4 E85/E86 offered a well-appointed interior, with quality materials and ergonomic design. The driver-focused cockpit, centered on the classic BMW three-spoke steering wheel and instrument cluster, provided a sense of control and immersion. The Z4 was well-regarded for its handling prowess, thanks to a well-tuned suspension and precise steering, offering a rewarding driving experience both on winding roads and open highways. The convertible top, when retracted, allowed for a truly open-air experience, enhancing the overall enjoyment of the Z4. However, the Z4 E85/E86, like many vehicles of its era, featured a blend of mechanical and electronic systems, requiring dedicated maintenance and repair knowledge to ensure optimal performance and longevity. Therefore, a comprehensive service and repair manual, such as the one listed, is essential for owners and mechanics seeking to understand the intricate workings of this sporty roadster.