ALI_M3

was drivin 2day doin bout 90 in 5th...dropped the speed for a corner and put it in to 4th....as the gear ratios as so close together it went in to 2nd..get round the corner and accelerate..nothin..whats goin on here i thinK? pulled over tried every gear wnt go in any...when started with the clutch released it jumps forward... as it would do if u started the car in 1st gear..but wnt go in to gear at all... Any ideas? any help appreciated..cheerz