bmw325i 0 Report post Posted December 18, 2010 I have a good condition 3:45 Ratio diff to suit a E36 or whatever. Medium case 6 bolt. Ideal to get a more efficient rev range after a manual conversion or to get a bit more bite out of your wagon if your running a slugush ratio.. Jase 0212 475 366 Quote Share this post Link to post Share on other sites