2016 BMW 650i XDrive Gran Coupe Engine Is Stalling

Common Causes of Engine Stalling in Your 2016 BMW 650i xDrive Gran Coupe and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
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15% chance it's the
Air Intake System
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55% chance it's
Something else
The most common reasons a 2016 BMW 650i xDrive Gran Coupe engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
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.

How much does it cost to fix a 2016 BMW 650i xDrive Gran Coupe engine is stalling?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

If the MAF sensor sends an erroneous signal, a few things happen. The engine's computer will trigger the check engine light, and the on-board diagnostic (OBD) trouble codes will reflect the airflow discrepancy noted by the MAF sensor. Depending on the reported volume of air, the engine may try to compensate for these conditions, causing the engine to burn excessive amounts of fuel and emit black smoke from the exhaust. In this case, the OBD trouble codes would also reference faults recognized by the exhaust oxygen sensors. The engine may also have issues with idling roughly, failing to start, stalling, hesitation, power loss, misfires, and fuel consumption.

»MORE: Signs of a failing mass airflow sensor

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

The most likely symptom of a faulty fuel temperature sensor is a check engine light. When the sensor goes bad, the Engine Control Module signals the driver that there is a problem by turning on the dash light. Poor fuel economy might also be noticed. In some cases, a failing fuel temperature sensor could lead to hard starting of the engine or an engine misfire and poor performance.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What initial diagnostics should I perform for a stalling 2016 BMW 650i xDrive?

When faced with a stalling 2016 BMW 650i xDrive, it's essential to adopt a systematic diagnostic approach to efficiently identify the underlying issue. Start by checking the check engine light; if illuminated, it can provide crucial insights into the problem. Next, inspect the intake camshaft position sensor, especially if the stalling occurs intermittently without any trouble codes, as this component can often be the source of the issue. Following this, examine the fuel system to ensure that fuel delivery and pressure are adequate, as any deficiencies here can lead to stalling. Additionally, assess the air intake system to confirm it is functioning correctly, as a proper air-fuel mixture is vital for engine performance. Don’t overlook the ignition system; inspect spark plugs and coils for any signs of wear or malfunction. Finally, utilize an on-board diagnostic (OBD) scanner to retrieve any fault codes that may provide further direction in diagnosing the problem. By following this structured approach, you can effectively narrow down the potential causes of stalling and take informed steps toward resolution.

What common issues cause engine stalling in a 2016 BMW 650i xDrive Gran Coupe?

When dealing with engine stalling in a 2016 BMW 650i xDrive Gran Coupe, it's crucial to understand the common problems that may arise. One of the primary culprits is fuel system issues, which can significantly affect engine performance and drivability. If the fuel injectors are clogged or malfunctioning, or if there are issues with the fuel pump, the engine may not receive the necessary fuel, leading to stalling. Additionally, engine misfires, often caused by faulty ignition coils or fuel injectors, can disrupt the combustion process, resulting in a rough idle or sudden stalling. Cooling system failures are another concern; if the engine overheats due to a malfunctioning thermostat or a leak in the cooling system, it can lead to stalling as a protective measure. Electrical glitches, such as a failing battery or alternator, can also interrupt the engine's operation, causing it to stall unexpectedly. Lastly, transmission issues, including low fluid levels or a failing torque converter, can impact the engine's ability to function smoothly, leading to stalling. By being aware of these potential problems and conducting regular maintenance, owners can help ensure their BMW 650i xDrive Gran Coupe remains in optimal condition and minimize the risk of engine stalling.

How urgent is it to address the engine stalling issue in a 2016 BMW 650i xDrive Gran Coupe?

When dealing with engine stalling in a 2016 BMW 650i xDrive Gran Coupe, the urgency of addressing the issue cannot be overstated. Stalling can significantly increase the risk of accidents, especially if it occurs while driving, making it crucial to diagnose and resolve the problem as soon as possible. While stalling at stops may not always indicate a severe issue, it can be a symptom of underlying maintenance problems that, if left unchecked, could lead to more serious mechanical failures. Components such as the control valve and high-pressure fuel pump are often culprits in stalling incidents, and their malfunction can compromise the vehicle's performance and safety. Additionally, the cost of inspection and repairs can escalate if the issue is neglected, starting from around $95 but potentially increasing with further damage. Therefore, regular maintenance and immediate attention to any stalling occurrences are essential to ensure the safety and reliability of your BMW, ultimately protecting both the driver and the vehicle from potential hazards.

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2016 BMW 650i xDrive Gran Coupe Engine Stalling Solutions