[Jmlubbe5]

Hi guys new BMW owner here,
Recently bought a 2012 RWD 335i f30 with the 8 speed sport ZF

The car is on roughly 128000kms/79000miles

I have been experiencing a reoccurring vibration in the car when downshifting from 3rd to 2nd gear. The vibration is not violent by any means; it almost just feels rougher as the revs come down when coming to a standstill. This vibration is not present when downshifting from any other gear just 3-2 I don't downshift manually to 1st.

I have only driven manuals and DSGS, so I'm not sure if this is normal. The car is on stock power but has a catless downpipe and a resonator delete. It is running MHD Stage 0, so it has stock power but with a cat delete.

I don't think the gearbox has been serviced as of yet.

Any help would be appreciated, Thanks.