52520
Factory-original service kit for the Dellorto PHM38BS and PHM38BD as used on the BMW 90S.

The PHM series comes with two different top covers which are illustrated here:

This service kit is specifically for the flat top version and contains all the necessary gaskets, o-rings, fiber rings and a rubber cable boot as per the product photo.
This product is priced and sold as a single unit.
Required quantity per carburettor: 1

This is item number 91 in the drawing of the PHM.
Please click HERE for that drawing.
Please also note that this service kit does NOT include the important pump diaphragm:

However, you can order this genuine Dellorto diaphragm along with this service kit by selecting it in the Diaphragm ? * dropbox.
This is Dellorto Part Number: 52520