32 13 006 Bleeding power steering unit

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

After filling:

Version with Dynamic Drive: Carry out initial Dynamic Drive operation. Refer to INITIALIZING DYNAMIC DRIVE .

Necessary Preliminary Tasks:

Thoroughly clean fluid reservoir and its immediate surroundings.
Open and remove fluid reservoir cap.

NOTE: To avoid mix-ups when filling with hydraulic fluid, mark the fluid reservoirs or their caps with identification marks.

ATF Automatic transmission fluid.

CHF Pentosin CHF11S.

Fig 1: View Of Fluid Reservoir Caps With Identification Marks

Courtesy of BMW OF NORTH AMERICA, INC.

Topping up when engine stationary:
- Top up fluid reservoir to "MAX" mark on dipstick.
  Hydraulic fluid: refer to OPERATING FLUIDS .
Bleeding:
- Start engine.
- Turn steering wheel twice each as far as left and right lock.
Oil level check with engine off:
- Check fluid level.
- If necessary, top up hydraulic fluid to "MAX" level.
Check:
- Check pipe connections for leaks.