← View Generic B0117 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B0117: B0117: Low Beam Headlight Relay Circuit Malfunction
on 2018 BMW X5
Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B0117 Mean on 2018 BMW X5?
The B0117 code indicates a malfunction in the low beam headlight relay circuit, which can cause the low beam headlights to malfunction or not function at all.
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Symptoms
- • Dim or inoperative low beam headlights
- • blinking or flickering headlights
- • or no headlights at all
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Common Causes
- • Faulty headlight relay
- • corroded or loose connections
- • blown fuse
- • or wiring damage
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How to Fix B0117 on 2018 BMW X5
1. Check and replace the headlight relay if faulty. 2. Inspect and clean or replace corroded or loose connections. 3. Check and replace the blown fuse. 4. Inspect and repair wiring damage.
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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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Related Diagnostic Codes
Other codes that may appear with B0117
B0115
Sequential Code
B0115: Power Window Regulator Circuit Malfunction
Medium
B0116
Sequential Code
B0116: Seat Adjuster Motor Circuit Malfunction
Medium
B0118
Sequential Code
B0118: Body System Security Malfunction
Medium
B0119
Sequential Code
B0119: Audio System 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