2015 BMW 535d XDrive Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2015 BMW 535d xDrive and How to Address Them Effectively

Find Repair Location
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 2015 BMW 535d xDrive 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 2015 BMW 535d xDrive 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

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 2015 BMW 535d xDrive?

To effectively diagnose the oil leak in your 2015 BMW 535d xDrive, start by identifying the source of the leak, as this is crucial for determining the appropriate repair. Begin by inspecting common leak areas such as the valve cover gasket, timing cover gasket, and oil filter housing. Regularly checking your oil levels is also essential; low oil levels can indicate a leak and can lead to engine damage if not addressed promptly. Pay attention to signs of oil leaks, including oil stains on your driveway, a burning smell from the engine bay, or visible oil seepage around the engine. If you notice any of these symptoms, it’s important to inspect the seals and gaskets, as these components often fail and lead to leaks. By systematically assessing these areas, you can pinpoint the source of the leak and take the necessary steps to resolve the issue, ensuring your BMW remains in optimal condition.

What are the common causes of oil leaks in a 2015 BMW 535d xDrive?

When dealing with oil leaks in a 2015 BMW 535d xDrive, it's crucial to understand the common culprits that may be at play. One of the primary offenders is the valve cover gasket, which can wear out over time, leading to noticeable leaks. Additionally, as the vehicle ages, the engine gaskets and seals may deteriorate, further contributing to oil loss. It's important to note that oil leaks can be tricky to diagnose, as the oil may drip down to lower areas or even burn off during driving, obscuring the source of the leak. Specific components, such as the oil line where the rubber meets the metal, can also be problematic, especially after bends in the line. By being aware of these potential issues, DIYers can take proactive steps to inspect and address oil leaks, ensuring their BMW remains in optimal condition and preventing further damage to the engine.

How urgent is it to address an oil leak in a 2015 BMW 535d xDrive?

When it comes to addressing an oil leak in your 2015 BMW 535d xDrive, understanding the urgency of the situation is crucial for both safety and vehicle longevity. While it may be tempting to continue driving as long as you keep an eye on fluid levels, neglecting an oil leak can lead to severe consequences. Oil leaks often stem from failing seals or gaskets, and if left unaddressed, they can escalate into more significant issues, including engine damage or failure. Symptoms such as oil stains on the ground, a burning oil smell inside the cabin, or visible leaks from the engine should not be ignored. These signs indicate that the leak may be worsening, and prompt action is necessary to prevent further complications. For DIY enthusiasts, identifying the source of the leak is the first step; common culprits include the valve cover gasket and oil pan gasket. By addressing these issues quickly, you can maintain your BMW's performance and avoid costly repairs down the line. Remember, while short-term driving may be feasible, prioritizing repairs will ensure your vehicle remains safe and reliable.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.