BMW E60 M54 2.5L Power Steering Pump Description:

• Vehicle Model: BMW 5 Series E60
• Engine Code: M54B25 (2.5L inline-6)
• Component: Power Steering Pump
• Function: Provides hydraulic pressure to assist with steering effort, delivering smooth and responsive steering.

Specifications:

• Type: Hydraulic power steering pump
• Material: Aluminum alloy body
• Pulley Type: V-groove belt pulley
• Mounting: Engine-mounted, driven by serpentine belt
• Inlet/Outlet Ports:
  
• High-pressure outlet to steering rack
• Low-pressure return from reservoir
• 
  
• Operating Pressure: Typically around 100–120 bar
• OEM Part Numbers (Examples):
  
• 32416760034
• 32416760030 (varies by model year and supplier)
• 
  

Compatibility:

• Fits BMW E60 525i models with M54 2.5L engine, typically from 2003–2005 production years.
• Also found in some E46 and E83 (X3) models with the same engine.

Common Brands (OEM/Aftermarket):

• ZF
• Luk
• Bosch (OE supplier for BMW)

Let me know if you need torque specs, fluid type (usually CHF 11S or ATF depending on the model year), or removal/installation info.