← View Generic B0349 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0349: B0349: Turn Signal Lamp Malfunction

on 2018 BMW X5

Fix Cost

$50 - $200

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 B0349 Mean on 2018 BMW X5?

The B0349 code indicates a malfunction in the turn signal lamp circuit, which may cause the turn signal lights to malfunction or not function at all.

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Symptoms

• Turn signal lights do not function
• or flash erratically
• or stay on continuously

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Common Causes

• Faulty turn signal lamp
• faulty turn signal switch
• wiring issue
• or a blown fuse

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How to Fix B0349 on 2018 BMW X5

1. Check the turn signal lamp for any signs of damage or wear. Replace if necessary. 2. Inspect the turn signal switch and clean or replace if dirty or faulty. 3. Check the wiring harness for any signs of damage or wear. Repair or replace if necessary. 4. Check the fuse box for a blown fuse. Replace the fuse if necessary.

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Parts for 2018 BMW X5

Turn signal lamp Shop ↗ Turn signal switch Shop ↗ Wiring harness Shop ↗ Fuse Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0349

B0347 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