Not far off with the P2 cars
Things I've required so far - (2002 car)
-Battery (after alternator failure) £400
-Alternator £350
-Injectors £500
-Drop links £100
-Central Locking motor £110
-Clutch £300
-Slave Cylinder £120
-Dual Mass Flywheel £700
-Aircon Condenser and gas £300
-Engine top mount £80
-Repair to my DIM (Dash clocks and display) £10 so far but still not fixed yet
-Intercooler £240
£3210 in the last 18 months !!
I may get my money back if I sell it but at least the next owner won't have to change much
I'm not including brakes and tyres and these are just parts costs.. If you can't do all the work yourself then budget for much much more.