Skip to content
YOUCANIC
  • HOME
  • VEHICLES
  • SCANNERExpand
    • Learn More
    • Buy Now
    • Rent It
    • AdaptersExpand
      • 12+8 FCA Chrysler Dodge
      • BMW 20 Pin Adapter
      • Mercedes 38 Pin Multiplexer
  • VIDEOS
  • RESOURCESExpand
    • SERVICE
    • VIN Decoder
    • DTC Fault Codes
    • Glossary
    • Parts Catalog
  • SUCCESS STORIES
  • SUPPORT
  • FORUM
  • CONTACT US
YOUCANIC

Dead Key Fob, No Problem: How to Start Your BMW When the Key Fob is Dead

⌂ » Vehicles » BMW

Posted onFeb 13, 2018Feb 1, 2023 Updated onFeb 1, 2023

Is your BMW not starting because the key fob batteries are dead? A dead key fob can be a frustrating experience, especially if you need to drive your BMW. Fortunately, there are alternative methods to start your BMW even when the key fob battery is dead. This article will explore the different methods to start your BMW when the key fob is not functioning. Whether you need a temporary solution or are looking for a long-term fix, this guide will provide the necessary steps to start your BMW and get back on the road. Whether you have a newer model with a push-button start or an older model with a traditional key, we have you covered.

Symptoms

  • You can’t start BMW with key
  • BMW key battery is dead can’t start the car
  • The Comfort Access key does not work

How to Manually Start BMW

Step 1

Remove the emergency key blade from the key fob.

To remove the emergency key from a BMW key fob, locate the small release button or lever on the back or side of the key fob. Once you have located the release button, gently press it or move the lever to release the key. The emergency key should slide out from the key fob. In some models, the emergency key may be stored inside the key fob and require pressing a button or opening a panel to access it. Be sure to handle the key fob and emergency key carefully to prevent damaging the delicate electronic and mechanical components.

Step 2

Unlock the driver’s door with the metal blade. (Alarm may go off.)manually start bmw

Step 3

Place the key into the ignition slot.place the keyIf your BMW doesn’t have an ignition slot, place the keyfob (not the metal blade) next to the right of the steering column. Note the key symbol on the steering column.Note the key symbol on the steering column

Step 4

Lexus Won't Start After Replacing

Press the brake pedal, then press the start button to start the engine. If you hear a click from the engine or the engine is not turning over, there is a high probability the main car battery is discharged.

If your BMW doesn’t start, the key isn’t recognized. A check control message may appear on the dashboard stating the key was not recognized. Your key may be defective, or the ignition module has a problem.

Tips

  • Radio transmission can interfere with the frequency of the BMW key. Also, electronic devices in your pocket or charging in the car can cause interference with the keyless key fob.
  • Use a BMW diagnostic scanner capable of reading BMW-specific fault codes to read DME fault codes via the OBD2 port under the dashboard.

The YOUCANIC Full System Scanner can read fault code through every vehicle’s control module, including the DME module.

This guide will assist you if the key fob batteries have died or the key fob is not working. If the main BMW battery has died, follow this guide to get into the car, then follow the instructions in this guide to jump-start a BMW with a dead car battery.

We hope you find the How to Start a BMW with Dead Key Fob Battery guide helpful. Check these troubleshooting and repair guides for more help on your BMW.

Author

  • Rushit Hila • ASE Certified
    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.

    View all posts

Questions?

Have questions about your car? Get assistance in our newly launched forum section. We’re here to provide support!

Continue

Post navigation

Previous Previous
BMW Window Switch Replacement | DIY with Pictures
NextContinue
BMW Driver Personal Profile Explained
Mercedes 7226 valve body conductor plate

From Dealer Quotes to DIY Hero: Carlos Alvarez’s Inspiring Car Repair Journey

Arshia and his car

DIY Repair Success: How a Teenager in New Zealand Saved Thousands

How a Rear Level Sensor Failure in My Mercedes-Benz W221 S-Class Almost Ruined My Drive

YOUCANIC Home

1301 York Rd Suite 800
Timonium Maryland 21093 USA
Tel: 1 (888) 959-4265
Hours: M-F 8:00 AM - 4:00 PM

  • About Us
  • Careers
  • Testimonials
  • Contact Us
  • Get Help
  • Terms & Conditions
  • DMCA
  • Privacy Policy
  • Fault Code Lookup
  • Parts Catalog
  • VIN Decoder
YouTube Facebook Email Google Reviews Phone

© 2015-2023 YOUCANIC® All rights reserved. YOUCANIC® offers automotive guides and practical solutions to help car owners. While we strive for accuracy, we can't guarantee our information is free from errors, omissions, or oversights. Our content is for educational purposes only and does not replace professional advice. By using YOUCANIC®, you agree to our Privacy Policy and Terms of Service. We participate in affiliate programs with Amazon, Advance Auto Parts, and eBay, and may earn a commission on purchases made through our site. Please consult a professional before making decisions based on our content. For further assistance, contact our Customer Service team.

  • HOME
  • VEHICLES
  • SCANNER
    • Learn More
    • Buy Now
    • Rent It
    • Adapters
      • 12+8 FCA Chrysler Dodge
      • BMW 20 Pin Adapter
      • Mercedes 38 Pin Multiplexer
  • VIDEOS
  • RESOURCES
    • SERVICE
    • VIN Decoder
    • DTC Fault Codes
    • Glossary
    • Parts Catalog
  • SUCCESS STORIES
  • SUPPORT
  • FORUM
  • CONTACT US
Phone 1-888-959-4265Email support@youcanic.comLocation Baltimore MD USA
Search