2016 BMW 535d Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2016 BMW 535d and How to Address Them Effectively

Find Repair Location
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 2016 BMW 535d 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 535d 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 are the steps to diagnose the oil leak in a 2016 BMW 535d?

To effectively diagnose an oil leak in your 2016 BMW 535d, begin by thoroughly inspecting the vehicle for any visible oil residue. This includes checking beneath the car and around the engine bay for signs of oil dripping or pooling, which can provide immediate clues about the leak's location. Pay particular attention to common leak sources specific to BMWs, such as gaskets, oil pans, and seals, as these are often the primary culprits. If the source remains elusive, it may be wise to consult a trusted independent BMW specialist who has the expertise to accurately diagnose and repair oil leaks. Additionally, if you have previously addressed oil leaks but the issue persists, consider requesting a free diagnosis from a qualified mechanic to help pinpoint the exact problem. Lastly, if no oil residue is found at the engine valley drain hole, investigate potential leaks from inside the transmission bellhousing, such as engine oil galley plugs or crankshaft rear seals. By following this structured diagnostic approach, you can systematically identify and address the oil leak in your BMW, ensuring a more efficient and effective repair process.

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

When dealing with oil leaks in a 2016 BMW 535d, it's essential to understand the common culprits that may be at play. One of the primary issues is a worn valve cover gasket, which tends to deteriorate over time, allowing oil to escape and potentially leading to engine damage if not addressed. Additionally, for models produced between 2012 and 2013, damage to the vacuum pump can result in oil leaks and may also affect braking performance, making it a critical area to inspect. For diesel models from 2014 to 2016, leaking EGR coolers can not only contaminate the oil but also contribute to oil leaks, necessitating prompt attention. Lastly, turbo leaks are another frequent concern in BMWs, which can lead to significant oil loss and costly repairs if left unchecked. By being aware of these common issues, DIY enthusiasts can take proactive steps to diagnose and remedy oil leaks, ensuring their BMW remains in optimal condition.

How urgent is it to address an oil leak in a 2016 BMW 535d?

Addressing an oil leak in your 2016 BMW 535d is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil leaks can lead to a range of serious problems, including engine damage and costly repairs if left unchecked. The oil serves as a vital lubricant for engine components, and a leak can result in insufficient lubrication, leading to overheating and increased wear. Additionally, oil leaks can create hazardous driving conditions, as leaking oil can affect traction and handling. Ignoring the symptoms of an oil leak can escalate into more severe issues, potentially compromising the safety and performance of your vehicle. Therefore, it is essential to diagnose and repair any oil leaks promptly to ensure the longevity and reliability of your BMW 535d. Taking swift action not only protects your investment but also enhances your driving experience by maintaining optimal engine performance.

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.