2019 BMW M6 Gran Coupe Is Leaking Oil

Address Oil Leaks in Your 2019 BMW M6 Gran Coupe Effectively

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Reviewed by
Andrew Hajjar
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 2019 BMW M6 Gran Coupe is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in 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 2019 BMW M6 Gran Coupe 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 steps should I take to diagnose the oil leak in my 2019 BMW M6 Gran Coupe?

To effectively diagnose an oil leak in your 2019 BMW M6 Gran Coupe, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil drips or pooling, and look for oil stains on the engine and surrounding components. Next, check the oil level in your engine, as a significant drop may indicate a leak. Focus on inspecting gaskets and seals, particularly the valve cover and oil pan gaskets, as these are common culprits for oil leaks. Don’t overlook the oil filter; ensure it is secure and free from damage, as a faulty filter can also lead to leaks. Additionally, examine the drain plug to confirm it is tight and undamaged, as a loose plug can cause oil to escape from the oil pan. Lastly, inspect the oil cooler for any signs of leaks. If these steps do not reveal the source of the leak, or if the problem persists, it is wise to consult a qualified mechanic who can provide a thorough inspection and professional diagnosis. By following this structured approach, you can efficiently identify and address the oil leak issue in your BMW.

What are the common causes of oil leaks in a 2019 BMW M6 Gran Coupe?

When diagnosing oil leaks in a 2019 BMW M6 Gran Coupe, it's crucial to understand the common culprits that may be at play. One of the primary issues is the degradation of gaskets and seals, which can wear out over time due to heat and pressure, leading to leaks. Additionally, a loose or improperly installed oil filter can create a significant problem; if the filter is not securely tightened or is incompatible, it can result in oil seeping from the filter housing. Another area to inspect is the oil pan, which can sustain damage from road debris or improper installation, causing leaks that can be detrimental if not addressed. Furthermore, the valve cover gasket is another potential source of leaks, as it can deteriorate with age, allowing oil to escape from the top of the engine. Lastly, issues with the oil cooler, such as cracks or loose fittings, can also contribute to oil leaks. By being aware of these common problems, DIY enthusiasts can take proactive steps to inspect and resolve oil leaks, ensuring the longevity and performance of their BMW M6 Gran Coupe. Regular maintenance and thorough inspections are key to catching these issues early and preventing more significant engine damage.

How urgent is it to address the oil leak in a 2019 BMW M6 Gran Coupe?

Addressing an oil leak in your 2019 BMW M6 Gran Coupe is not just a matter of routine maintenance; it is a pressing issue that demands immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of vital engine components, increasing the risk of severe engine damage over time. Furthermore, a leaking oil system can cause the engine to overheat, potentially resulting in costly repairs or even catastrophic engine failure. The safety implications are equally concerning, as oil dripping onto hot engine parts can create a fire hazard, putting both you and your vehicle at risk. By promptly addressing the oil leak, you not only safeguard the performance and longevity of your BMW but also ensure a safer driving experience. Therefore, it is crucial to take action without delay to prevent further damage and maintain the integrity of your vehicle.

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