(Detach steering shaft at bottom from steering gear)

NOTE: RISK OF DAMAGE 
Damage to steering column switch cluster (SZL). 
The steering column switch cluster (SZL) or the coil spring cassette can be damaged by twisting the steering wheel if the lower steering shaft (or the universal joint) is separated from the steering gear or the steering column. 

• After separating the lower steering shaft (or the universal joint) from the steering gear or from the steering column, secure the steering wheel against twisting.

• Loosen screw (1).
• Pull down the bottom steering shaft (2) from the steering gear in arrow direction.

Courtesy of BMW OF NORTH AMERICA, INC.