My gearbox is getting on a bit now, 195k miles and it makes a slight growl at around 1.5k to 2.5k revs in second and third. I'm thinking of replacing it but the only ones on ebay state SMG. I hear they are the same box, but would there need to be anything done before fitting it apart from changing the bell housing? Also, would an SMG box have had a harder life, given the way they can 'thump' through the gears, so would I be better off waiting for an original manual box? Thanks!