← View Generic B0574 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0574: B0574: Immobilizer System Malfunction

on 2018 BMW X5

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
⚠️

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 B0574 Mean on 2018 BMW X5?

The immobilizer system has detected a malfunction, preventing the engine from starting. This code is usually set when the immobilizer key fob battery is weak or dead.
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Symptoms

  • • Engine won't start
  • • key fob not recognized
  • • or intermittent starting issues
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Common Causes

  • • Weak or dead key fob battery
  • • faulty immobilizer system
  • • or incorrect key fob programming
🛠️

How to Fix B0574 on 2018 BMW X5

Replace the key fob battery, reprogram the key fob, or replace the immobilizer system module

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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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Parts for 2018 BMW X5

Key fob battery Shop ↗ Immobilizer system module Shop ↗

Essential Tool

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OBD2 Scanner

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🔗

Related Diagnostic Codes

Other codes that may appear with B0574

B0572 Sequential Code

B0572: Seat Position Sensor Circuit Malfunction

Medium
B0573 Sequential Code

B0573: Headlight Dimmer Switch Malfunction

Medium
B0575 Sequential Code

B0575: Audio System Malfunction

Medium
B0576 Sequential Code

B0576: Airbag System Fault

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