so keep the wheels :) a tdo4 can be got cheap , also if your handy you can make an adaptor to fit the tdo4 :) keep things cheap as possible till you have funds to buy a wepr kit or the likes thats how i started in the begining bolted a tdo4 to stock everything 4efte then upgraded slowly 1 thing i did have was a wideband to keep an eye on things a cheepo """" exhaust gas temperature gauge """ is handy to have to there like 30quid