2017 BMW 650i XDrive Won't Start

Resolve Starting Issues with Your 2017 BMW 650i xDrive

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2017 BMW 650i xDrive won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when a 2017 BMW 650i xDrive won't start?

When your 2017 BMW 650i xDrive refuses to start, it's essential to adopt a methodical diagnostic approach to identify the root cause. Begin by checking the battery, as a weak or dead battery is a common culprit; ensure it is fully charged and that the terminals are clean and securely connected. Next, verify the fuel level in the tank, as running low on fuel can lead to starting difficulties. It's also crucial to confirm that the gear is in Park or Neutral, especially in automatic models, since safety features may prevent the engine from starting in other positions. Pay attention to any warning lights on the dashboard, as these indicators can provide valuable insights into underlying issues. If the battery appears weak, attempting a jump-start can help determine if the battery is the problem. Finally, using an OBD-II scanner to check for error codes can reveal specific issues within the vehicle's systems, guiding you toward a more precise solution. By following these steps, you can effectively troubleshoot the starting problem and take the necessary actions to get your BMW back on the road.

What are the common problems that could cause a 2017 BMW 650i xDrive to not start?

When your 2017 BMW 650i xDrive refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first things to check is the battery; a weak or dead battery is often the culprit, so ensure it is fully charged and in good condition. If the battery is fine, the next component to inspect is the starter motor, as a malfunction here can prevent the engine from turning over. Additionally, consider the fuel system; issues like a clogged fuel filter or a failing fuel pump can hinder fuel delivery, making it impossible for the engine to start. The ignition system is another critical area; faulty spark plugs or an ignition switch can disrupt the starting process. Don't overlook the security system either, as problems with the immobilizer or key fob can inadvertently prevent the car from starting. Lastly, the engine control module (ECM) plays a vital role in managing engine functions, and any issues with it can lead to starting problems. By systematically checking these components, you can identify the root cause of the starting issue and take appropriate action to resolve it.

How urgent is it to address the starting issue in a 2017 BMW 650i xDrive?

When dealing with starting issues in a 2017 BMW 650i xDrive, urgency is paramount. If your vehicle fails to start, it’s essential to act quickly to prevent being stranded or causing further damage. Symptoms like slow cranking or unusual noises can indicate underlying problems that require immediate attention. Ignoring these warning signs not only jeopardizes your safety but can also lead to more severe mechanical failures, resulting in costly repairs. For those inclined to DIY, conducting diagnostic tests can help identify the root cause of the issue, allowing for a more informed approach to repairs. Regular maintenance and prompt action on starting issues can significantly reduce the risk of future complications, ensuring your vehicle remains reliable and safe on the road.

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