Older K100's and K75's are renowned for having damaged pump seals. So learn how to change them out.

This is a short how to on replacing the internal pump seals on a K100, this process is the same as replacing the pump seals on a K75 also.

Parts List and Parts Numbers:
Slip Ring Seal: 11 41 1 741 870
Shaft Seal: 11 41 1 460 329
Spacer Bush: 11 51 1 464 902
Drive Shaft: 11 41 1 461 181
Impeller Rotor: 11 41 1 461 173
Red O-ring: 11 11 1 460 392
Drive Gear O-ring: 11 41 1 460 328
Oil Filter: 11 00 2 300 053

Seal Tool:
https://www2.munichmotorcycles.com.au...

Equipment Used
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Canon 600d
Sony RX100 Mk3
FeiyunTech a1000 Gimbal
Rode VideoMic
Blue Yeti USB