Its not to bad with speed bumps, i've not caught one yet. Although getting on my drive i caught it As for performance, im going forged 4E TD04 in the coming months
My locks would be like that, go to turn the key and it would be solid..had to wiggle it to unlock the door. The wd40 trick worked for a couple of months n then had to spray them again. If you havnt already get a decent alarm with remote central locking