← View Generic B1163 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B1163: B1163: Power Window Relay Circuit Malfunction

on 2018 BMW X5

Fix Cost

$100 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

Your Vehicle

2018 BMW

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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 B1163 Mean on 2018 BMW X5?

The B1163 code indicates a malfunction in the power window relay circuit, which controls the operation of the windows. This can cause issues with window movement, such as slow or stuck windows.

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Symptoms

• Slow or stuck windows
• windows not moving at all
• or windows moving erratically

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Common Causes

• Faulty power window relay
• faulty window switch
• wiring issue
• or blown fuse

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How to Fix B1163 on 2018 BMW X5

Check the power window relay for any signs of physical damage or corrosion Test the window switch to ensure it's functioning properly Check the wiring harness for any signs of damage or corrosion Replace the power window relay if faulty Replace the window switch if faulty Repair or replace any damaged wiring

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Parts for 2018 BMW X5

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

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Related Diagnostic Codes

Other codes that may appear with B1163

B1161 Sequential Code

💡 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