Staffan

After a gerbox oil change a few years back my car started to sound terrible when turning hard and even worse when reversing and turning at the same time. I changed to another oil and never experienced this problem again.

I know many 964 turbo conciders these sounds to be normal.
We had a discussion about this on this forum a couple of years ago, if I remember correctly most, or at least many of the 964 turbos have this sound.