BMW-ABS-Pump-Motor

BMW ABS Pump Motor Constantly Running

A BMW ABS pump motor may constantly stay on even when the vehicle is turned off. As part of this guide, we examine common issues that can cause this issue.


   Symptoms

  • BMW ABS pump stays on
  • BMW ABS motor constantly running
  • Battery drains, dead.
  • Car won’t start without a jump.

Common Causes

The two most common issues that cause the BMW ABS pump to run constantly including:

  • ABS Hydraulic Unit Failure
  • Faulty ABS pump relay

Units often affected are Bosch 5.3, Bosch 5.4, and Bosch 5.7 ABS modules installed on several BMW cars, including 3-series, 5-series, 7-series, X3, X5, etc.

Temporary Fix

If you are on a long road trip and are experiencing this problem, remove the ABS fuse so that you don’t burn the ABS motor or continue to drain your car battery.

Warning!

When the ABS fuse is removed, your ABS functionality will be disabled. Your vehicle may take longer to stop, and it can skid. Keep a larger distance between you and the vehicle in front.

Possible Solution

Replace the BMW ABS relay. The ABS relay costs less than $50 and is very easy to replace. The relay on most BMWs is in the fuse box located in the engine bay.

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If the problem remains, you may need to replace or repair the ABS unit. Before replacing car parts, it is important to read the codes from your BMW.

Another option is to have the dealer replace the ABS hydraulic unit, which usually costs between $1000-$2000.

Or remove your failed ABS pump & control module and send it for repair to shops that specialize in repairing these ABS units. Look up these BMW ABS ATC Pump Module Repair on eBay services.

We hope you find the BMW ABS Pump Motor Constantly Running guide helpful. Check these troubleshooting and repair guides for more help on your BMW.

Author

  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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