Instructions for installation of starter motor on 2002 BMW X5 4.4i

Pop the hood. Remove the air intake tubing from the engine using a flathead screwdriver, and set it to the side. This will expose the starter motor just below, mounted towards the firewall with several wires out of the top of it.
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SECTION 303-06: Starting System 2003 Expedition/Navigator Workshop Manual REMOVAL AND INSTALLATION Procedure revision date: 11/06/2002 Starter Motor Printable View (188 KB) Removal
WARNING: When carrying out maintenance on the starting system be aware that heavy gauge leads are connected directly to the battery. Make sure protective caps are in place when maintenance is complete. Failure to follow these instructions may result in personal injury.

1. Disconnect the battery ground cable.

1. WARNING: The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the RH kick panel area. Failure to do so may result in unexpected inflation or deflation of the air springs which may result in shifting of the vehicle during these operations.
   Raise and support the vehicle; refer to Section 100-02.

1. Remove the starter motor solenoid terminal cover.

1. Disconnect the starter motor electrical connections.

1. Remove the starter motor.
   1. Remove the stud bolts.
   1. Remove the two bolts.
   1. Remove the starter.

Installation
WARNING: When carrying out maintenance on the starting system be aware that heavy gauge leads are connected directly to the battery. Make sure protective caps are in place when maintenance is complete. Failure to follow these instructions may result in personal injury.

1. Install the starter motor.
   1. Position the starter.
   1. Install the two bolts.
   1. Install the stud bolt.

1. Connect the starter motor electrical connections.

1. Install the starter motor solenoid terminal cover.

1. Lower the vehicle.

1. NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.
   Connect the battery ground cable.

On the 2.9litre diesel I found that 2 of the bolts holding the starter could be reached from underneath( after jacking up and putting on ramps or axle stands both sides) the third was only accessed from the top and i had to loosen the bracket for the gear linkage cables as it prevented getting a socket on the head of the bolt. once the 4 bolts(12mm) were removed it was easy. I found on ebay a repair kit which replaces the piston and contacts which on mine were badly eroded(just as site said) and replacing those cost under £15 (about $25?) A reconditioned starter would have cost at least £175. The instructions for replacing the plunger and contacts were excellent and changing them took under 20 minutes.

Disconnect battery.

Disconnect electrical connections to the starter.

Remove the 2 or 3 bolts for the starter.

Installation a reverse of the removal

i have a 2002 BMW 325I
I tryed to change the remote control battery.. now the car does not start... HOw can I turn off the anti theft system... or what can I do to start the car

1. use scanner to find out if there's trouble code.

2.. it's not clear if the starter (motor) turns as you try to start the engine, if not, check starter motor including intermittent (maybe) problem with the ignition switch.

3.if starter motor turns everytime you try to start: check the electrical ignition system: coils & spark plugs

shorting to start motor will allow the motor to turn but the ignition system is still off.
try with key turned to ignition position.
suspect starter solenoid on starter motor.
suspect fuses maybe there is a fuse which has blown.
suspect ignition key switch maybe defective.

try looking on the gearbox or on the bottom of the cylinder block its usually located around that area. if not then my only other sugestion is inside the gearbox

1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
   
2. Record the radio anti theft code data.
   
3. Remove or disconnect the following:
   
   • Negative battery cable
     
   • On 2002—05 vehicles, shift cable
     
   • Starter motor electrical connectors
     
   • On 2002—05 vehicles, starter heat shield
     
   • Starter motor
     Starter motor mounting—3.5L Engine
     

To install:

1. Install or connect the following:
   
   • Starter motor. Tighten the bolts to 20–24 ft. lbs. (27–33 Nm).
     
   • On 2002—05 vehicles, starter heat shield
     
   • Starter motor electrical connectors. Tighten the battery terminal nut to 106–141 inch lbs. (12–16 Nm).
     
   • On 2002—05 vehicles, shift cable
     
   • Negative battery cable
     
   • Reprogram the radio anti theft codes
     

I would check your starter first then check your relays. if you still have nothing check the ignition.