2019 BMW I8 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2019 BMW i8 and How to Address Them Promptly

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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 2019 BMW i8 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 2019 BMW i8 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.

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 take for an oil leak in a 2019 BMW i8?

When faced with an oil leak in your 2019 BMW i8, the first step is to conduct a thorough visual inspection of the engine bay and undercarriage, as well as the area where you typically park the vehicle. Look for any visible signs of oil, such as puddles or drips, which can provide immediate clues about the leak's location. Next, check the oil levels in the engine; a significant drop may indicate a leak that needs urgent attention. Pay special attention to the oil filter and drain plug, as these components can often be the culprits behind leaks if they are loose or damaged. Additionally, inspect the gaskets and seals around the engine, including the valve cover and oil pan gaskets, for any signs of wear or deterioration. If the source remains elusive, consider performing a pressure test on the oil system to help pinpoint the leak's location. For a more advanced approach, adding UV dye to the engine oil can assist in identifying the leak when using a UV light. If these steps do not reveal the issue, it may be wise to consult a qualified mechanic or BMW dealership for a comprehensive diagnosis and repair. By following these initial diagnostic steps, you can effectively tackle the oil leak and ensure your BMW i8 remains in optimal condition.

What are the common causes of oil leaks in a 2019 BMW i8?

When addressing oil leaks in a 2019 BMW i8, it's important to recognize the common problems that can lead to these issues. One significant factor is the degradation of gaskets and seals, particularly the valve cover and oil pan gaskets, which can wear out over time and result in leaks. The oil filter housing gasket is another frequent source of leaks, especially if it has become worn or compromised. Additionally, faulty oil cooler lines or connections can contribute to oil leaks, as can issues with the oil drain plug or its seal, which may become loose or damaged. It's also essential to keep an eye on oil levels; overfilling can create excess pressure on seals and gaskets, leading to leaks. Promptly addressing these concerns is crucial to prevent further engine damage and ensure the vehicle operates smoothly.

How urgent is it to address the oil leak in my 2019 BMW i8?

Addressing an oil leak in your 2019 BMW i8 is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in severe engine damage over time, leading to costly repairs. Furthermore, an oil leak can cause the engine to overheat, creating a risk of catastrophic failure that could leave you stranded or, worse, lead to a dangerous situation on the road. The safety implications are also considerable, as leaking oil can drip onto hot engine parts, increasing the risk of fire. By addressing the oil leak promptly, you not only safeguard your vehicle's performance but also protect yourself and others from potential hazards. Therefore, it is crucial to act swiftly to resolve any oil leak issues in your BMW i8 to ensure its longevity and your safety.

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2019 BMW i8 Oil Leak Causes & Repair Options | RepairPal