BMW Z4 is a RWD sports car produced by the German automaker BMW, known as the E85 in roadster form and E86 in coupe form. BMW Z4 production began in 2002, and replaced the BMW Z3. The design of this car responding to the criticism regarding Z3. Z4 is larger than the BMW Z3. This car was made in Spartanburg, South Carolina. Exists only as a roadster Z4, but in 2006, a coupé version was officially launched. For production in 2014 BMW will offer 11 exterior colors, including new colors metallic Mineral Grey, Glacier Silver metallic and Valencia Orange metallic, which can only be ordered with the package Hyper Orange.

The Z4 lovers can choose a 4-cylinder engine a 6-cylinder engine. BMW Z4 sDrive28i 2.0-liter engine to bring 4-cylinder TwinPower Turbo, 240 hp and 352 Nm, 0-100 kph 5.5 seconds with the 6-speed manual transmission.

The BMW Z4 E85 central locking system function is based to a large extent on the function of the sys- tem on the E46. The driver’s door lock on the E85 is an Low lock. The same lock was previously fitted as a Low lock on the E66. Compared with the lock used on the E46, this unit incorporates two Hall-effect sensors. The general module analysis the signals from those sensors and locks/thief-proofs or unlocks the vehicle accordingly.

The door lock is a single unit. That unit incorporates the servo motor, the door lock mechanism and the Hall-effect sensors.

The following pictures shows the BMW Z4 E85 Central Locking System  Schematic Diagram.

BMW Z4 E85 Central Locking System Wiring and Schematic

The Central Locking System consists of:
1.    Trunk Release Button
2.    Driver’s Door Lock
3.    Central Lock Button
4.    DWA deactivation Button
5.    Remote Control Receiver
6.    Driver’s Door Switch
7.    Passenger Door Switch
8.    GM 5
9.    Driver’s Door Lock Motor
10.    Passenger Door Lock Motor
11.    Fuel Filler Flap Actuator
12.    Storage Compartment Actuator
13.    Trunk Actuator

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