BMW K 1100 LT/RS - Manual (Page 290)

34.32
Reduced brake effect when applied hard?
no
Check brake fluid.
Has brake fluid aged? yes
Renew brake fluid.
Only mederate brake effect?
no
Check brake pads.
Are brake pads worn/damaged? yes
Renew brake pads.
no
Check brake system.
Is there air in brake system? yes
Bleed brake system.
Brakes squeak.
no
Check brake pads.
Are brake pads dirty? yes
renew brake pads.
no
Check brake discs.
Is lateral runout of brake discs too large? yes
Replace brake discs.
no
Check wheels.
Is axial runout too large? yes
Renew wheels.