But yours is a £2K one mate so should be fine by your reckoning!
Plus once a line is 'clean' the filter can be changed(as its done its job) and a nice shiny new one in which should last longer than teh specified period as there is by definition less crap in the fuel/line
I can actually see teh value of 'old' uncomplicated diesel cars go up as people buy them and run shop bought veg oil in them as teh price of shiny new diesel goes ever higher.
<fx:Ian starts scouring autotader to invest>