[Lifetime Warranty] 64116923204 Blower Motor Resistor - Replaces 64116923204 64116929486

64116923204 Blower Motor Resistor BMW E39 E46

Key Features

• Regulates the speed of the interior climate control blower fan
• Direct replacement for the original equipment manufacturer (OEM) part
• Restores proper heating and air conditioning fan function
• Designed for vehicles with automatic or digital climate control systems
• Also known as a Final Stage Unit (FSU) or Final Stage Resistor

Replaces / Cross-Reference Part Numbers

• 64116923204
• 64116929486
• 64118385549
• 64116920365

Compatibility & Fitment

• BMW 3 Series (E46): 1999-2006 (323i, 325i, 325xi, 328i, 330i, 330xi, M3)
• BMW 5 Series (E39): 1997-2003 (525i, 528i, 530i, 540i, M5)
• BMW X3 (E83): 2004-2010
• BMW X5 (E53): 2000-2006

When to Replace

• Blower fan speed changes erratically or randomly
• Fan only operates on the highest speed setting
• Blower fan does not work on any speed
• Fan continues to run after the ignition is turned off

Installation Tips

• Typically located in the passenger-side footwell, near the blower motor assembly.
• Disconnect the vehicle's battery before starting the installation process.
• Ensure the electrical connector is clean and securely attached to the new unit.
• No special tools are required for most installations.