2016 BMW 535i XDrive Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2016 BMW 535i xDrive and How to Address Them Effectively

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Reviewed by
Aisha
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 2016 BMW 535i 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 2016 BMW 535i 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 2016 BMW 535i xDrive?

To effectively diagnose the oil leak in your 2016 BMW 535i xDrive, start with a thorough visual inspection of the area beneath your vehicle. Look for any fresh oil stains or puddles that could indicate the leak's origin. Next, regularly check your oil levels; a significant drop can signal a leak that needs immediate attention. Focus on common leak points specific to BMWs, such as the valve cover gasket, oil filter housing, oil pan, and seals. If you’re unable to pinpoint the source of the leak or if the issue seems complex, don’t hesitate to seek professional help from a certified BMW mechanic. Once you identify the leak, take prompt action to repair or replace the affected components, ensuring your vehicle remains in optimal condition and preventing further oil loss. By following this diagnostic approach, you can systematically address the issue and maintain the health of your BMW.

What are the common causes of oil leaks in a 2016 BMW 535i xDrive?

When dealing with oil leaks in a 2016 BMW 535i xDrive, it's essential to understand the common culprits that may be causing the issue. One of the primary sources of oil leaks in this model is the failure of engine gaskets, particularly the valve cover gaskets and the oil filter housing gasket. These components are known for their susceptibility to wear and tear over time, leading to leaks that can be relatively straightforward to address for a DIY mechanic. Additionally, the oil pan gasket and the main engine seal are also frequent offenders, although repairs in these areas can be more complex. If you notice oil pooling on the left side of the engine, it may indicate a problem with the oil filter housing gasket rather than the oil pan gasket itself. Promptly addressing these leaks is crucial, as neglecting them can lead to more severe engine damage and decreased performance. By familiarizing yourself with these common issues, you can take proactive steps to diagnose and repair oil leaks in your BMW, ensuring your vehicle runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2016 BMW 535i xDrive?

Addressing an oil leak in your 2016 BMW 535i xDrive is not just a matter of convenience; it is a critical maintenance issue that demands immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which poses a serious risk of engine damage. As oil levels decrease, the engine may not receive adequate lubrication, leading to increased wear and tear, and potentially catastrophic failures. Moreover, oil that drips onto hot engine components can ignite, creating safety hazards that could endanger both you and your vehicle. The longer you wait to address the leak, the more extensive and costly the repairs may become, as the issue can worsen over time. For those considering a DIY approach, it is essential to assess the severity of the leak and determine whether you have the skills and tools necessary to fix it. If the leak is substantial or if you are unsure about the repair process, consulting a qualified BMW mechanic is advisable to ensure your vehicle remains safe and operational. Taking prompt action not only preserves the health of your engine but also enhances the overall performance and longevity of your BMW.

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