Removing And Installing Fuel Pump And Fuel Level Sensor; Checking Fuel Pump Pressure; Removing And Installing Fuel Distributor And Pressure Regulator - BMW R 1100 S Repair Manual

Removing and installing fuel pump and
fuel level sensor
•
Disconnect the electrical connections at the fuel
pump (4).
•
Release the hose clip at the fuel pump.
•
Remove fuel pump.
•
Installation is the reverse of the removal proce-
dure.
•
Secure non-reusable hose clips with pliers,
BMW No. 13 1 500.
e
Caution:
Make sure O-ring (5) is in perfect condition.
After installing, check fuel pump unit for leaks.

Checking fuel pump pressure

16 1 500
•
Connect pressure gauge, BMW No. 16 1 500, to
delivery side: use cable clips to secure if neces-
sary.
•
Start engine and allow to idle.
Fuel pressure:
Specification ................. 3±0.2 bar (42.69±2.85 psi)
L
Note:
If fuel pressure is low, check pump, fuel filter, pres-
sure regulator and fuel line.
Removing and installing fuel
distributor and pressure regulator
•
Remove fuel tank.
•
Remove the battery.
•
[ABS] Remove the ABS unit.
•
Remove battery carrier.
•
Remove the fuel distributor with pressure regula-
tor (1) from the holder.
•
Installation is the reverse of the removal proce-
dure.
•
[ABS] Bleed the brake system.
•
Switch on the ignition.
•
Without starting the engine, fully open the throttle
once or twice so that the Motronic control unit
C160030
can register the throttle-valve positions.
L
Note:
Disconnecting the battery deletes all entries (e.g.
faults, settings) stored in the Motronic control unit's
memory.
Loss of settings can temporarily impair the operat-
ing characteristics when the engine is restarted.
1
S160040
16.7