2014 BMW M6 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2014 BMW M6 and How to Address Them Effectively

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2014 BMW M6 is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A failure in oil system components, such as a worn oil pump or clogged oil filter, can lead to inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
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 2014 BMW M6 is leaking oil?

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.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What are the steps to diagnose the oil leak in a 2014 BMW M6?

To effectively diagnose an oil leak in your 2014 BMW M6, start by identifying the source of the leak, as this is crucial for a successful repair. Begin by inspecting common leak points such as the valve cover gasket, timing cover gasket, and oil filter housing, as these are frequent culprits in BMW engines. Regularly checking your oil levels can also provide insight; a sudden drop may indicate a leak that needs immediate attention. If you notice oil pooling near the passenger side, pay special attention to the area around the oil filter, as it may involve the turbocharger oil lines or the turbocharger itself. By systematically examining these areas, you can pinpoint the issue and determine whether it requires a simple fix or more complex repairs, ensuring a thorough and efficient diagnostic process.

What are the common causes of oil leaks in a 2014 BMW M6?

When tackling oil leaks in a 2014 BMW M6, it's essential to understand the common problems that can arise. One of the primary culprits is worn-out gaskets and seals, which play a vital role in keeping oil contained within the engine. Over time, these components can degrade, leading to leaks from various points, including the oil filter and valve cover gasket. Additionally, driving on uneven surfaces can loosen engine components, exacerbating the risk of oil escaping. It's also worth noting that some models have reported issues with the oil pump, which, if faulty, could lead to severe engine damage. Regular maintenance is crucial, as the deterioration of gaskets and seals is often accelerated by age and mileage. By being proactive and addressing any signs of oil leakage promptly, DIY enthusiasts can help prevent more significant engine problems down the line.

How urgent is it to address the oil leak in my 2014 BMW M6?

Addressing an oil leak in your 2014 BMW M6 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Ignoring an oil leak can lead to severe engine stress, resulting in diminished performance and potentially catastrophic engine failure. The longer you wait, the more likely you are to face escalating repair costs, as minor leaks can quickly evolve into major problems, with repairs ranging from a few hundred to several thousand dollars. Additionally, consistently low oil levels due to leaks can cause irreversible damage to your engine, jeopardizing its longevity and reliability. It is essential to identify the source of the leak promptly, as BMWs are prone to leaks from specific areas such as gaskets and seals. By addressing the issue quickly, you not only safeguard your vehicle's performance but also protect your investment from costly repairs down the line. Taking swift action will ensure that your BMW M6 remains in optimal condition, allowing you to enjoy a safe and smooth driving experience.

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