low speed problems

[shane21]

ive just got a 325i,at low speed and under normal driving conditions its like its got kangaroo juice in---its difficult to describe really-its sort of jerkin??----------this is only happening around 15-30mph--while im accelerating its fine---any idea's??

[godstar]

mine done this when my manifold gasket was gone.might have an air leak.

[shane21]

thanks will have a look