2013 BMW 650i Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2013 BMW 650i 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 2013 BMW 650i 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 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 2013 BMW 650i?

To effectively diagnose an oil leak in your 2013 BMW 650i, begin with a thorough visual inspection of the engine compartment and the area beneath the vehicle. Look for any signs of oil pooling or streaks that may indicate the leak's origin. Next, check the oil levels to confirm whether there has been a significant loss, which can help you gauge the severity of the issue. If the source remains elusive, consider adding UV dye to the engine oil; after driving for about 20 minutes, use a UV light to pinpoint the leak's location. This method is particularly useful for revealing leaks that are not immediately visible. If these steps do not lead to a resolution, it may be time to consult a professional mechanic or a BMW dealer for a more comprehensive diagnosis and repair. By following this structured approach, you can systematically identify and address the oil leak in your vehicle.

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

When dealing with oil leaks in a 2013 BMW 650i, it's essential to understand the common culprits that may be at play. One of the primary sources of oil leaks is a worn valve cover gasket, which is notorious for failing in many BMW models. As the vehicle ages, the deterioration of engine gaskets and seals can also lead to leaks, as these components are subject to wear and tear over time. Additionally, failed seals and gaskets can create elusive leak points, making it challenging to pinpoint the exact source of the problem. Certified technicians often identify common leak areas, such as the valve cover gasket, but DIY enthusiasts should also be aware of other potential causes, including issues with engine gaskets and failures in oil system components. By understanding these common problems, you can effectively diagnose and address oil leaks in your BMW 650i, ensuring your vehicle remains in optimal condition.

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

Addressing an oil leak in your 2013 BMW 650i is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring the symptoms of an oil leak can lead to severe consequences, including reduced engine performance and overheating, which can compromise your vehicle's reliability and safety. The longer you wait to address the leak, the higher the risk of catastrophic engine failure, which can result in costly repairs that far exceed the initial expense of fixing the leak. Regularly monitoring your oil levels and being vigilant for signs of leakage from areas such as the oil drain plug or oil filter gasket is essential. By prioritizing the repair of an oil leak, you not only safeguard your engine's health but also ensure a smoother and safer driving experience.

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2013 BMW 650i Oil Leak Causes & Repair Costs | RepairPal