← View Generic P0520 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
P0520: Engine Oil Pressure Sensor/Switch Circuit Malfunction
on 2018 BMW X5
Fix Cost
$30 - $150
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
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 P0520 Mean on 2018 BMW X5?
The engine oil pressure sensor is not providing a proper signal to indicate actual oil pressure.
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Symptoms
- • Oil pressure warning light
- • inaccurate oil pressure gauge
- • check engine light
- • possible engine protection mode.
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Common Causes
- • Faulty oil pressure sensor
- • wiring problems to sensor
- • poor connections
- • actual low oil pressure.
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How to Fix P0520 on 2018 BMW X5
Replace oil pressure sensor, repair wiring to sensor, clean connections, check actual oil pressure and oil level.
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Need Maintenance Info for Your X5?
Get oil capacity, filter specs, and torque settings for your specific 2018 BMW X5.
View 2018 BMW X5 SpecsParts for 2018 BMW X5
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P0520
P0518
Sequential Code
P0518: Idle Air Control (IAC) Motor Circuit Malfunction
Medium
P0519
Sequential Code
P0519: Idle Air Control (IAC) Valve Circuit Malfunction
Medium
P0521
Sequential Code
Engine Oil Pressure Sensor/Switch Range/Performance Problem
High
P0522
Sequential Code
Engine Oil Pressure Sensor/Switch Low Voltage
High
💡 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