2017 BMW 535i GT XDrive Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2017 BMW 535i GT xDrive and How to Address Them

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 2017 BMW 535i GT xDrive is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in 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 2017 BMW 535i GT 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.

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 initial diagnostic steps to identify the source of an oil leak in a 2017 BMW 535i GT xDrive?

When tackling an oil leak in your 2017 BMW 535i GT xDrive, start with a thorough visual inspection of the vehicle. Look for any visible oil stains or drips beneath the engine, transmission, and oil pan, as these areas are common leak points. Next, regularly check your oil levels; a significant drop can indicate a leak that needs addressing. Pay special attention to the oil filter and drain plug, ensuring they are secure and free from oil residue. For a more precise diagnosis, consider adding UV dye to your oil, which can illuminate the leak's source when viewed under a UV light. If the leak remains elusive, a pressure test can help pinpoint the exact location within the oil system. Should these methods not yield results, consulting a professional mechanic or a BMW dealership is advisable for a comprehensive diagnosis and repair. By following this structured approach, you can effectively identify and address oil leaks, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2017 BMW 535i GT xDrive?

When dealing with oil leaks in a 2017 BMW 535i GT xDrive, it's crucial to understand the common sources of these leaks to effectively diagnose and remedy the problem. One prevalent issue is the valve cover gasket, which can deteriorate over time, leading to oil seepage. Similarly, the oil filter housing gasket is another frequent culprit; if it fails, oil can leak from the housing, creating a mess and potentially harming engine components. The oil pan gasket is also a common point of failure, as wear and tear can result in leaks from the oil pan itself. Additionally, the timing cover can be a source of leaks if its gasket fails, allowing oil to escape from this critical area. The rear main seal, located at the back of the engine, is another potential leak point; if it becomes damaged, it can lead to significant oil loss. Lastly, the oil cooler gasket, which seals the oil cooler to the engine, can also fail and cause leaks. Addressing these issues promptly is essential to prevent further engine damage, and regular inspections can help catch these problems early, ensuring your BMW runs smoothly.

How urgent is it to address the oil leak in a 2017 BMW 535i GT xDrive?

When dealing with an oil leak in a 2017 BMW 535i GT xDrive, the urgency of the situation cannot be overstated. A significant oil leak can lead to rapid oil loss, which is critical as it jeopardizes the engine's lubrication and can result in severe damage if not addressed immediately. Insufficient lubrication increases friction among engine components, leading to overheating and potential engine failure over time. Moreover, oil leaks pose safety risks, as they can create slippery road conditions, endangering both the driver and others on the road. From a financial perspective, delaying repairs can escalate the damage, resulting in costly repairs that could have been avoided with timely intervention. Therefore, for DIY enthusiasts, it is essential to assess the severity of the leak and act swiftly to maintain the vehicle's performance, safety, and longevity. Addressing the issue promptly not only protects your investment but also ensures a safer driving experience.

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.