V50 General : I am an idiot, wrong fuel and aftermath

[Bigchewie]

So long story short i stuck a tank of ultimate unleaded in my D3, I am a tool, had the wee one (9months ) and was trying to get her/keep her sleeping, anyhow only realised when car started coughing and spluttering and I pulled over to a stop (2.4miles from the forecourt) got the AA out to recover me and drain take etc. htis was yesterday, took it too fill up stuck a fresh tank of Diesel in, after restarting, had two issues, one got a managment light on, (Catalyst Temp Sensor Circuit High Bank 1 Sensor 1) Now I took that to be petrol passing through and it burns hotter does that make sense?

Forgot to add ran TOrque on way home from getting filter well last 100yds as i minded and it showed, cat sensor temps Bank1Sensor1 - 211degC Bank1Sensor2-1002degC ( I trust the fault read outs for which sensor is high.)

Any how cleared that but the other thing when coming back from fuel station, I took it out of the town onto an a class road and found it to be v sluggish. I have since when and bought a fuel filter this afternoon from Euro,as even it is not that causing the sluggishness, (hope to hell it is) it will be sensible to change as the petrol will have cleaned the tank a bit I think. I had been going to drive to dundee tonight in it (150ish mile roundtrip ) as i thought it would do it good but after seeing how poor the performance is(struggled to get to 70mph going to get Fule filter) I will take the M3 instead. The other reason i was going to take the V50 was to burn off some fuel as Haynes reckons you should be below 3/4 of a tank for changing the fuel fliter. Anyone confirm or disprove this?

Any advice/insight or pointing and laughing welcome