2017 BMW M6 Won't Start

Common Causes for Your 2017 BMW M6 Not Starting and How to Resolve Them

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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 M6 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 M6 won't start?

When your 2017 BMW M6 refuses to start, it's essential to adopt a methodical diagnostic approach to identify the root cause. 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 its voltage. Next, inspect the key fob to ensure it’s functioning correctly, as a weak battery in the fob can prevent the car from recognizing it. Additionally, verify that the gear is in the correct position—either Park or Neutral for automatic transmissions—before attempting to start the engine. Don’t forget to check the fuel level; an empty tank can easily be overlooked. If these initial checks don’t resolve the issue, consider using a diagnostic scanner to read any error codes that might indicate specific problems. It’s also wise to inspect the fuses related to the starting system for any that may be blown. If the starter motor is suspected, listen for a clicking sound when turning the key, which could signal a malfunction. Lastly, examine the battery terminals and cables for signs of corrosion, as this can impede electrical connections. By following these steps, you can effectively narrow down the potential causes of your BMW M6's starting issues and take the necessary actions to get it back on the road.

What are the common problems that could cause a 2017 BMW M6 to not start?

When troubleshooting a 2017 BMW M6 that won't start, it's crucial to consider several common problems that could be at play. First, the battery is often the primary suspect; a weak or dead battery can easily prevent the engine from cranking. Checking the battery's condition and ensuring all connections are secure is a vital first step. Next, the fuel system should be examined, as issues like a clogged fuel filter or a malfunctioning fuel pump can disrupt the flow of fuel necessary for ignition. Additionally, the ignition system plays a critical role; faulty spark plugs, ignition coils, or a defective ignition switch can all lead to starting difficulties. The starter motor itself is another component to inspect, as a failure here can stop the engine from cranking altogether. Furthermore, the Engine Control Unit (ECU) is essential for managing engine functions, and any problems with it can hinder the starting process. Lastly, don’t overlook the vehicle's security system; a malfunctioning immobilizer or key fob can also prevent the car from starting. By systematically addressing these potential issues, you can effectively diagnose and resolve the starting problems with your BMW M6.

How urgent is it to address the starting issue in a 2017 BMW M6?

When dealing with a starting issue in a 2017 BMW M6, the urgency of addressing the problem cannot be overstated. Ignoring symptoms such as slow cranking or clicking sounds can lead to more severe complications, including complete battery failure or damage to the electrical system. A faulty battery, if left unchecked, may not only prevent the vehicle from starting but could also lead to further strain on the alternator and other electrical components, resulting in costly repairs. Additionally, issues within the ignition system can escalate, causing intermittent starting problems that may leave you stranded. Moreover, starting difficulties can sometimes signal deeper engine issues, which, if neglected, could lead to significant engine damage over time. Therefore, conducting a thorough diagnostic check and addressing any identified issues promptly is crucial for maintaining the vehicle's performance and ensuring your safety on the road. Taking swift action not only preserves the integrity of your BMW M6 but also enhances your overall driving experience.

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