Bit of advice mate of mines got a bora 150 tdi and he used castrol edge oil twice service intervals it had a nocking noise as if the bottom ends was gone had it checked from vw turned out to be a nackered cam with a hole in on of the followers cost him £400 pounds from a local garage so NEVER USE CASTROL EDG OIL IN A PD ENGINE alwas use vw oil better of as he found out lol.