← View Generic C3749 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
C3749: C3749: Electronic Stability Control (ESC) Malfunction
on 2018 BMW X5
Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
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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 C3749 Mean on 2018 BMW X5?
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
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Symptoms
- • Vibration
- • loss of traction
- • reduced braking performance
- • and/or reduced acceleration
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Common Causes
- • Faulty ESC module
- • faulty wheel speed sensor
- • faulty yaw rate sensor
- • or faulty steering angle sensor
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How to Fix C3749 on 2018 BMW X5
1. Check and clear any trouble codes. 2. Inspect and clean wheel speed sensors. 3. Replace faulty sensors. 4. Update ESC software if necessary.
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Need Maintenance Info for Your X5?
Get oil capacity, filter specs, and torque settings for your specific 2018 BMW X5.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C3749
C3747
Sequential Code
C3747: Left Front Suspension Strut Friction
Medium
C3748
Sequential Code
C3748: Steering Column Position Sensor Circuit Malfunction
Medium
C3750
Sequential Code
C3750: Traction Control Malfunction
Medium
C3751
Sequential Code
C3751: Wheel Speed Sensor 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