Withdrawal
Disconnect the ground wire from the battery.
Attention: When the battery is disconnected, the information in the electronic memory devices, such as the engine trouble memory or the radio security code memory, is erased. Disconnect the battery only when the ignition is switched off, so as not to damage the fuel injection system control unit. When disconnecting the battery, follow the instructions in sections "Radio" And "Removing and installing the battery".
On models 530i, 535i, 524td, 525tds: Disconnect the battery terminal at the bulkhead connector.
Attention: When the battery is disconnected, the information in the electronic memory devices, such as the engine trouble memory or the radio security code memory, is erased. When disconnecting the battery, follow the instructions in section "Removing and installing the battery".
Remove the air filter cover and air mass meter.
Detach hoses -2- from oil measuring rod -2-, to do this release clamp -3-.
Release the upper hose clamps.
Pull idle speed adjuster out of rubber mount -arrow-.
Loosen bolt -4- for oil dipstick.
Pull out the oil dipstick guide tube.
Unscrew cable duct under intake manifold.
Loosen nut -arrow-.
Mark with adhesive tape and disconnect the wires from the starter.
Loosen the top bolt of the starter while pressing the water hose down.
Remove bolt -5-.
Loosen and remove the lower mounting bolt.
Pull out the starter.
Check the integrity of the starter gear and starter ring gear.
Installation
The starter is installed in the reverse order. Don't forget to install the washers on the mounting bolts.
Install the oil dipstick guide tube with a new O-ring.
Connect ground wire to battery.
Attention: Connect the battery with the ignition off, otherwise the electronic control unit of the injection device may fail.
Set clock time.
Set radio security code, see section "Setting the radio code".