[gooseleg]

I just purchased a 90 G60 with a BBM SC with the silencer kit, the car is not running as it should. The car was at a shop last year and they claimed to have fixed 2 leaks on the supercharger, they had capped the lower bras nipple so the car was not idling, once I removed the cap it ran but idling at around 1500. I'm not sure where the other leak was, the only thing I see is this screw on the side of the SC.

Can anyone tell me what it is for, is it supposed to be blocked?

Where can I get a thorough installation manual?

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[Butcher]

I believe that is part of the oiling system. Some have a pressure fed system and some used an oil reservoir.