That's right Klaus. The P3 stearing-gearbox is filled with SAE90 oil (in contrast to the P5) and thus prone to leak.

Regards
Egbert

Hello everyone,

Thanks for all answers and sorry for my late feedback, but i was a insane work week!

Klaus, you are correct and that's the one i've not changed yet (item 33). I will try to dismantle it, and ansk at motor shops for equivalent.

Hello,

If anyone has the same problem, here it is a new gasket:

www.youngtimer-autoteile.de/shop/main_bigware_34.php?bigPfad=27_32&items_id=647

Thanks,
Nuno