Heater Blower Resistor / Regulator BMW E8X E9X – Valeo Ref. 73040157 – Genuine Part – Used, 3-Month Warranty

Restore optimal function to your ventilation and air conditioning

Does your cabin fan only work at certain speeds, stay on constantly, or not work at all? This original BMW Valeo heater resistor (blower regulator), part number 73040157, is the ideal solution to restore proper function to your heating and air conditioning system. This part is also known as a blower resistor, fan control module, or Final Stage Unit (FSU).

Compatible with many models:

• BMW 1 Series E81 / E82 / E87 / E88
• BMW 3 Series E90 / E91 / E92 / E93

🔧 Function of the heater resistor

The heater resistor controls the speed of the cabin blower by regulating the electrical supply to the ventilation motor. It allows for:

• Regulating fan speed
• Ensuring efficient cabin ventilation
• Optimizing heating and air conditioning function
• Guaranteeing optimal comfort in all seasons

⚠️ Symptoms of a faulty heater resistor

A faulty resistor can cause:

✔ Fan no longer working
✔ Ventilation stuck on a single speed
✔ Blower speed varying on its own
✔ Fan remaining on after turning off ignition
✔ Ineffective heating or air conditioning
✔ Insufficient windshield defrosting

📌 Features

• Part type: Heater resistor / Blower regulator (FSU)
• Manufacturer: Valeo
• Part number: 73040157
• Compatible BMW part numbers: 64116927090, 64119146765, 64119222072, 64119265892, 64119266185 (depending on versions)
• Compatibility: BMW E8X / E9X
• Condition: Used – tested and fully functional
• Origin: Original BMW / Valeo part
• Warranty: 3 months

✅ Why choose our part?

✔ 100% original BMW / Valeo part
✔ Inspected and tested before shipping
✔ Direct replacement for the original part
✔ Manufacturer reliability and quality
✔ Excellent value for money
✔ 3-month warranty

⚠️ Verification before purchase

To ensure perfect compatibility:

• You must check for part number 73040157 or one of the compatible BMW part numbers on your current part.
• Compare the connectors before installation.
• If in doubt, send us your VIN (17 characters).

📩 We will verify compatibility free of charge before your purchase to avoid any ordering errors.

📦 Delivery

• ✅ Shipped within 24 business hours
• ✅ Reinforced packaging specially for electronic parts
• ✅ Tracked delivery

All parts available for this vehicle BMW E90

For more information, you can contact us by phone at 06 72 92 43 38