← View Generic P1105 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

P1105: P1105: Fuel Pressure Regulator Control Circuit Low Input

on 2018 BMW X5

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

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 P1105 Mean on 2018 BMW X5?

The fuel pressure regulator control circuit low input is a manufacturer-specific code that indicates a problem with the fuel pressure regulator's control circuit. This code is specific to Ford vehicles. It may indicate a faulty fuel pressure regulator, a wiring issue, or a problem with the engine control module.

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Symptoms

• Rough engine idle
• decreased fuel efficiency
• poor engine performance

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Common Causes

• Faulty fuel pressure regulator
• wiring issue
• engine control module problem

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How to Fix P1105 on 2018 BMW X5

Check the fuel pressure regulator for proper operation and replace if necessary. Check the wiring harness for damage or corrosion and repair if necessary. Update the engine control module software if necessary.

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Parts for 2018 BMW X5

Fuel Pressure Regulator Shop ↗ Wiring Harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P1105

P1103 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