2017 BMW 640i XDrive Gran Coupe Won't Start

Resolve Starting Issues for 2017 BMW 640i xDrive Gran Coupe

Find Repair Location
Reviewed by
Andrew Hajjar
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 640i 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 steps to diagnose a starting issue in a 2017 BMW 640i xDrive Gran Coupe?

To effectively diagnose a starting issue in your 2017 BMW 640i xDrive Gran Coupe, begin with the simplest and most accessible components. Start by checking the battery, as a weak or dead battery is a common culprit for starting problems. If the battery is in good condition, proceed to inspect the starter motor to ensure it is functioning properly, as a faulty starter can prevent the engine from turning over. Next, examine the fuel system to confirm that fuel is reaching the engine; issues such as a clogged fuel filter or malfunctioning fuel pump can disrupt this flow. Following that, assess the ignition system, including spark plugs and ignition coils, since faulty components here can also hinder starting. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues, guiding your next steps. Finally, ensure the Engine Control Unit (ECU) is operating correctly, as it plays a vital role in the starting process. By systematically following these steps, you can effectively troubleshoot and resolve starting issues in your BMW, empowering you to take control of your vehicle's maintenance.

What are the common problems that could cause a 2017 BMW 640i xDrive Gran Coupe to not start?

When your 2017 BMW 640i xDrive Gran Coupe refuses to start, several common problems may be at play. First, consider the battery, as a weak or dead battery is often the primary culprit; checking the battery's voltage and connections can help determine if it needs a jump start or replacement. Next, inspect the starter motor, which is responsible for turning the engine over; if you hear a clicking sound when turning the key, this could indicate a malfunction. Additionally, the fuel system should be examined, as a clogged fuel filter or a failing fuel pump can prevent the engine from receiving the necessary fuel. Don't overlook the ignition system, either; faulty spark plugs or an ignition switch can disrupt the starting process. Furthermore, issues with the Engine Control Unit (ECU) may also arise, affecting various vehicle functions, including starting. Lastly, if your car's security system is malfunctioning, it may prevent the engine from starting altogether, so ensure that your key fob and immobilizer are functioning correctly. 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 640i xDrive Gran Coupe?

When dealing with a starting issue in a 2017 BMW 640i xDrive Gran Coupe, understanding the urgency of the situation is paramount. If the vehicle fails to start completely, it is essential to act immediately to prevent being stranded or incurring further damage. Warning lights on the dashboard can indicate underlying problems that may require urgent attention, as they often signal more serious issues that could compromise safety. Even intermittent starting problems should not be ignored, as they can lead to unexpected breakdowns while driving, posing risks to both the driver and others on the road. Conducting a diagnostic test at a certified BMW service center can provide clarity on the root cause of the issue, helping to prioritize repairs based on severity. Additionally, the vehicle's maintenance history plays a crucial role; a well-maintained car may allow for a slightly less urgent response compared to one with a history of neglect. Ultimately, addressing any starting issues promptly is vital for ensuring the vehicle's reliability and safety, making it imperative for owners to stay vigilant and proactive.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2017 BMW 640i xDrive Gran Coupe Won't Start | RepairPal