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1/4 tubing (mine was 5/16 but 1/4 should fit more snug) from stainless steel return line to "IN" of inline filter.

1/4 tubing from "OUT" of inline filter to jar.

1/4 tubing from jar to OEM fuel line going to DC auxiliary fuel pump.

1/4 jumper tubing between "from tank/to tank" OEM fuel lines.

When all is connected, prime the system using VCDS to get rid of all the air in the lines.

Start the car, operate at idle and at different RPM. When jar is almost empty shut down the engine, reconnect everything like original, poor Diesel Purge leftover in fuel tank and reprime the system using VCDS.

Start the car and voila!
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I used to do this with my BRM but I didn't know if it had enough lubricant to run through the CP4 on the common fail.

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Like nitrohog I used to do it this way on my PD but with my common rail I just add a can to my tank twice a year.
 
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