Yeah miles are nothing on these , my 530d is on 128k now , I got it on 101k
Auto box fluid is a £450 job and needs new sump etc , if that's been done you laughing for another 80k
Crank pulley separates from rubber middle , new pulley is £300 but not a massive job
And thermostats don't last long , £90 for both from bm fitting isn't too hard neither
Other then that just remove swirl flaps and you won't have any more probs engine wise
You may have shocks and control arms as I have just had to do mine at 125k