BMW AG Motorcycle (K1100LT, K1100RS). Manual - part 41

51.1

Contents

Page

51

Removing and installing ignition switch/steering lock 

...........................................3

Removing and installing lock cylinder for fuel tank 

..................................................4

Removing lock cylinder

 ................................................................................................................4

Installing locking cylinder

 ............................................................................................................4

Removing lock cylinder with broken key

 ..............................................................................4

Removing and installing dualseat lock 

............................................................................5

51 Equipment

51.2

51.3

51

Removing and installing ignition 
switch/steering lock

•

Remove fuel tank.

•

Disconnect plug connection (1) for ignition 
switch/steering lock.

•

Detach crash pad on upper fork bridge.

•

Loosen handlebar clamping blocks and place 
handlebar on frame.

•

Remove screw plugs (2).

•

Fit drilling bushing (1), BMW No. 51 0 500, in 
hole.

•

ith 4 mm drill, drill shear bolt to a minimum depth 
of 10 mm.

•

With an 8 mm drill, drill shear bolt to a minimum 
depth of 8 mm.

•

Remove lock barrel from below.

•

Install in the reverse order of removal.

e

 Caution:

Secure shear bolts with Loctite 270.

X 

Tightening torques:

Handlebar clamping blocks.......................... 22 Nm
Shear bolts........................ to shear point (~ 20 Nm)

LT510010

1

2

2

1

51 0 500

LT510020

51.4

Removing and installing lock cylin-
der for fuel tank

Removing lock cylinder

•

Open cover and release screws (1).

•

Remove housing (2) for lock cylinder.

•

Fit key in lock cylinder, press catch (3).

•

Pull out lock cylinder together with key.

•

Note position of O-ring (4).

Installing locking cylinder

•

Grease lock cylinder with Shell Retinax A.

•

Fit lock cylinder with key in mounting groove 
(arrow).

•

Press down lock cylinder and turn key in clock-
wise direction; catch engages.

•

Install housing.

Removing lock cylinder with broken 
key

•

With the aid of 4-5 mm 

O drill, drill out lock cylin-

der over its entire length.

•

Increase drill 

O until the lock cylinder can be 

removed.

e

 Caution:

Clean fuel tank of drilling swarf.

LT510030

2

3

4

1

51.5

Removing and installing dualseat 
lock

5. Saucer-head screw
6. Phillip-head screw
7. Stop nut

LT510040

2

1

1

3

51.6

61.1

Contents

Page

61

Technical Data

............................................................................................................................... 3

Removing and installing Motronic control unit 

...........................................................5

[ABS I] Removing and installing control unit 

................................................................6

[ABS II] Removing and installing control unit 

...............................................................6

Removing and installing battery 

..........................................................................................7

Relay locations (central electrical unit) 

............................................................................8

Locations and connections, ABS wiring loom 

.............................................................9

Locations, frame wiring loom 

..............................................................................................10

View from left

 ..................................................................................................................................10

Wiring arrangement, fairing bracket, [LT]

 ...........................................................................10

View from right

 ...............................................................................................................................11

Wiring arrangement fairing bracket, [RS]

 ............................................................................11

61 General electrical equipment

61.2