sould be straight forward enough, the front diff is very small. Just take it apart. You need to pull the front axles which is a give and work from there.
08' 335xi 6MT
Space Metallic Grey
Premium, Nav, Cold weather, Sport
Procede//PWM Meth//VRSF XI Downpipe//Forge DV//DCI//KW V1//SCOOPS//ETS FMIC//ECS GEOMET ROTORS//HAWK//CDV//PERFORMANCE SPOILER//CSL//