From model '83
REMOVING AND INSTALLING FUEL FILTER
Pinch fuel lines (1 and 2) with Special Tools
13 3 030.
Loosen hose clamps (3 and 4) and pull off
hoses.
Unscrew both hose clamps and take off fuel
filter.
Installation:
Do not use squeeze hose clamps.

73313050 - click to zoom
 
Installation:
Check direction for flow (arrow).

2013321 - click to zoom