← View Generic B0907 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0907: B0907: Power Window Relay Circuit Malfunction

on 2018 BMW X5

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
⚠️

Important for 2018 BMW X5 Owners

Before starting repairs, verify which engine your 2018 BMW X5 has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B0907 Mean on 2018 BMW X5?

This code indicates a problem with the power window relay circuit, which controls the movement of the windows. The issue may be related to a faulty relay, wiring, or a malfunctioning window switch.
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Symptoms

  • • Windows may not move properly
  • • or may not move at all
  • • when the switch is activated.
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Common Causes

  • • Faulty power window relay
  • • damaged or corroded wiring
  • • malfunctioning window switch
  • • or a problem with the window motor.
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How to Fix B0907 on 2018 BMW X5

1. Check the power window relay for any signs of damage or corrosion. Replace it if necessary. 2. Inspect the wiring for any signs of damage or corrosion. Repair or replace as needed. 3. Check the window switch for any signs of damage or malfunction. Replace it if necessary. 4. Check the window motor for any signs of malfunction. Replace it if necessary.

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Parts for 2018 BMW X5

Power window relay Shop ↗ Wiring harness Shop ↗ Window switch Shop ↗ Window motor Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0907

B0905 Sequential Code

B0905: Climate Control Fan Motor Malfunction

Medium
B0906 Sequential Code

B0906: Door Locks Malfunction

Medium
B0908 Sequential Code

B0908: Seat Position Sensor Malfunction

Medium
B0909 Sequential Code

B0909: Body System Code - Lighting Malfunction

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system