2016 BMW X4 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2016 BMW X4 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 2016 BMW X4 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 X4 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 first steps to diagnose the oil leak in a 2016 BMW X4?

To begin diagnosing an oil leak in your 2016 BMW X4, start by visually inspecting the engine and surrounding areas for any signs of oil accumulation or dripping. Pay close attention to common leak points such as the valve cover gasket, timing cover gasket, and oil filter housing, as these are frequent culprits. Next, check your oil levels regularly; a sudden drop can indicate a leak that needs immediate attention. Additionally, verify all fluid levels, including power steering, brake fluid, and coolant, to rule out other potential issues. If you notice a significant amount of oil leaking, it’s wise to consult a professional mechanic who can provide a thorough inspection and prevent further damage to your vehicle. By following these initial steps, you can effectively narrow down the source of the leak and take appropriate action.

What are the common causes of oil leaks in a 2016 BMW X4?

When dealing with oil leaks in a 2016 BMW X4, it's crucial to understand the common problems that may arise. One of the primary culprits is worn-out gaskets and seals, which are essential for maintaining the integrity of the engine and preventing oil from escaping. Among these, the valve cover gasket is particularly notorious for leaks in BMW models, often requiring replacement to restore proper function. Additionally, failures in oil system components can contribute to leaks, making it important to inspect these parts thoroughly. The rear main seal is another critical area; if it fails, it can lead to significant oil loss and necessitate immediate attention to avoid severe engine damage. The oil pan gasket is also a frequent source of leaks, and checking this area can save you from more extensive repairs down the line. Lastly, while less common, a cracked cylinder head can allow oil to seep through, indicating a more serious issue that should not be overlooked. By being aware of these potential problems, DIYers can take proactive steps to diagnose and fix oil leaks in their BMW X4, ensuring the longevity and performance of their vehicle.

How urgent is it to address the oil leak in my 2016 BMW X4?

Addressing an oil leak in your 2016 BMW X4 is an urgent matter that should not be overlooked. Ignoring this issue can lead to severe consequences, including increased engine wear and the risk of catastrophic engine failure. The engine is the heart of your vehicle, and any oil leak can compromise its performance, leading to costly repairs or even a complete engine replacement. By addressing the leak promptly, you not only safeguard your engine's health but also enhance the overall longevity and efficiency of your vehicle. Delaying repairs can exacerbate the problem, resulting in more extensive damage and higher repair costs down the line. Therefore, if you notice any signs of an oil leak, it is crucial to take immediate action to ensure your BMW X4 continues to perform at its best.

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