2013 BMW 650i XDrive Gran Coupe Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2013 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%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2013 BMW 650i xDrive Gran Coupe 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 2013 BMW 650i xDrive 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.

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 2013 BMW 650i xDrive Gran Coupe?

To effectively diagnose an oil leak in your 2013 BMW 650i xDrive Gran Coupe, start with a thorough visual inspection of the vehicle. Look beneath the car for any visible signs of oil, paying close attention to critical areas such as the oil drain plug, oil filter gasket, rear main seal, and oil fill plug. Regularly checking your oil levels is also essential; a significant drop can indicate a leak that needs addressing. For a more precise diagnosis, consider adding UV dye to the engine oil, which will illuminate the leak's source under UV light. If the leak remains elusive, conducting a pressure test can help pinpoint its exact location. Additionally, inspect all gaskets and seals, including the valve cover, oil pan, timing cover, and alternator bracket gaskets, for any signs of leakage. If these steps do not yield results, it may be time to consult a professional specializing in BMW repairs to ensure a comprehensive diagnosis and effective resolution of the issue. By following this diagnostic approach, you can systematically identify and address oil leaks, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2013 BMW 650i xDrive Gran Coupe?

When dealing with oil leaks in a 2013 BMW 650i xDrive Gran Coupe, it's essential to understand the common problems that can arise within the engine and its components. One frequent culprit is the oil drain plug, which can become loose or damaged, leading to leaks. Additionally, the oil filter gasket is another common source of leaks, often requiring replacement to ensure a proper seal. The rear main seal is also known to fail over time, contributing to oil leakage. Other potential leak points include the oil fill plug and various engine gaskets, which can deteriorate due to age and heat exposure. In particular, the N62 engine may experience leaks from the alternator bracket seal or O-ring, while the N63 V8 engine can face issues related to burning oil and heat-induced damage. Regular maintenance and timely repairs are crucial to preventing these leaks, as neglecting them can lead to more severe engine problems and costly repairs. By being aware of these common issues, DIY enthusiasts can take proactive steps to maintain their vehicle's performance and longevity.

How urgent is it to address the oil leak in my 2013 BMW 650i xDrive Gran Coupe?

Addressing an oil leak in your 2013 BMW 650i xDrive Gran Coupe is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, which may result in inadequate lubrication and ultimately cause severe engine damage or failure. Moreover, neglecting an oil leak can create a hazardous situation, as leaking oil can drip onto hot engine parts, increasing the risk of fire. The longer you wait to diagnose and repair the leak, the more extensive and costly the damage can become. Therefore, it is essential to prioritize this issue to ensure the safety and longevity of your vehicle, as well as to maintain its optimal performance. Taking prompt action not only protects your investment but also contributes to safer driving conditions.

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