2017 BMW 440i XDrive Gran Coupe Won't Start

Resolve Starting Issues for 2017 BMW 440i xDrive Gran Coupe

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Reviewed by
Aisha
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 440i xDrive Gran Coupe 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 440i xDrive Gran Coupe won't start?

When your 2017 BMW 440i xDrive Gran Coupe won't start, it's essential to approach the problem methodically, starting with the simplest solutions before moving on to more complex diagnostics. Begin by checking the battery, as a dead or low battery is a common culprit; you can jump-start the vehicle or use a multimeter to assess the voltage. Next, inspect the key fob to ensure it’s functioning correctly, replacing its battery if necessary. It's also crucial to verify that the gear is in the correct position—Park or Neutral for automatic transmissions, and Neutral for manual ones. Don’t forget to check the fuel level; sometimes, the issue can be as simple as running out of gas. If these steps don’t resolve the issue, use an OBD-II scanner to look for any error codes that could indicate underlying problems. Additionally, inspect the fuse box for any blown fuses and examine the starter motor to ensure it’s operational. Finally, check for corrosion on the battery terminals and cables, as this can hinder electrical connections. By following this structured diagnostic approach, you can effectively identify and address the reasons your BMW won’t start.

What are the common problems that could cause a 2017 BMW 440i xDrive Gran Coupe to not start?

When your 2017 BMW 440i xDrive Gran Coupe refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first areas to check is the battery, as a dead or weak battery is often the culprit behind starting issues. Ensure that the battery connections are clean and secure, and consider testing the battery's voltage. If the battery is in good condition, the next step is to inspect the fuel system. A clogged fuel filter or a malfunctioning fuel pump can prevent fuel from reaching the engine, so checking these components is essential. Additionally, the ignition system plays a critical role in starting; faulty spark plugs or ignition coils can disrupt the ignition process. If these components are functioning properly, turn your attention to the starter motor, as a failure here can prevent the engine from cranking. Lastly, don’t overlook the Engine Control Unit (ECU) and the vehicle's security system, as issues in these areas can also lead to starting problems. By systematically checking these systems, you can identify the root cause of the issue and take the necessary steps to resolve it.

How urgent is it to diagnose and repair the starting issue in a 2017 BMW 440i xDrive Gran Coupe?

When it comes to diagnosing and repairing a starting issue in your 2017 BMW 440i xDrive Gran Coupe, urgency cannot be overstated. Ignoring the initial signs of trouble can lead to more severe mechanical failures, which may not only escalate repair costs but also compromise the vehicle's overall safety. A malfunctioning starter can leave you stranded, posing significant risks during critical driving situations. Moreover, addressing these issues promptly is essential for maintaining the car's reliability and performance, preventing unexpected breakdowns that could disrupt your daily routine. Additionally, timely repairs can help preserve the vehicle's resale value, ensuring that you get the best return on your investment. If your car is still under warranty, acting quickly can also ensure that necessary repairs are covered, saving you from out-of-pocket expenses. Therefore, if you notice any starting issues, it is crucial to diagnose and repair them as soon as possible to safeguard your vehicle's functionality and your peace of mind.

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