Oil Filter Housing Leak BMW: Cause, Symptoms & Solution

Oil filter housing leak BMW is a pesky issue that plagues many BMW models, causing headaches for owners and mechanics alike. Today, we’ll delve into the intricacies of the oil filter housing leak, exploring its causes, symptoms, and solutions.

Why An Oil Filter Housing Leak On A BMW Engine?

An oil filter housing leak on a BMW engine can occur for various reasons. 10 common causes:

Gasket Failure
O-ring Issues
Cracked Housing
Loose or Over-tightened Bolts
Faulty Oil Cooler
Corrosion
Poor Quality Gaskets or Seals
High Mileage
Improper Installation
Excessive Oil Pressure

Bmw Oil Filter Housing Cost

The cost of an oil filter housing for your BMW can vary considerably depending on several factors.

Oil Filter Housing Only: $4 – $385
Oil Filter Housing & Gasket Kit: $20 – $500

7 Bmw Oil Filter Housing Gasket Leak Symptoms

Here are some common signs that may indicate a leak in the oil filter housing gasket:

Oil Leak
Burning Smell
Low Oil Level
Visible Wetness
Engine Overheating
Oil Contamination
Unusual Engine Noises

Repairing A Bmw Oil Filter Housing Gasket Leak

Disconnect the negative battery terminal: This is a safety precaution to prevent electrical shorts.
Drain the engine oil: Locate the oil drain plug and drain the oil into a container.
Locate the oil filter housing: It’s typically near the engine block.
Disconnect any hoses or electrical connectors attached to the housing.
Use the socket wrench to remove the bolts securing the housing. Be mindful of any gaskets or spacers behind the bolts.
Install the new gasket on the housing, aligning it properly.
Reposition the housing and hand-tighten the bolts.
Use the torque wrench to tighten the bolts to the specified torque according to your repair manual. Overtightening can damage the gasket.
Reconnect the hoses and electrical connectors.
Replace the oil filter and refill the engine oil. Check the oil level on the dipstick and ensure it’s within the recommended range.
Reconnect the battery terminal.

How Bad Is An Oil Filter Housing Leak?

An oil filter housing leak can range from mild to quite serious depending on its severity and duration. A small leak might not cause immediate harm, but it can worsen, leading to:

Reduced engine oil: Causing lubrication issues and potential damage.
Engine overheating: Due to insufficient oil circulation.
Environmental damage: Leaking oil can harm the environment.

Bmw Oil Filter Housing Recall

There have been several recalls of BMW vehicles for oil filter housing issues over the years. The most recent one was in 2019, which affected certain 2015-2017 X3, X4, and X5 models equipped with the N20 or B48 engines.

Replacing Bmw Oil Filter Housing Gasket

Here’s what you need to know:

Step 1: Drain the oil

Locate the oil drain plug and drain the oil into a pan. Dispose of the oil responsibly.

Step 2: Access the oil filter housing

This may involve removing engine covers, intake hoses, or other components depending on your model. Consult your specific instructions for the exact steps.

Step 3: Remove the old gasket

Carefully remove the old gasket, ensuring all traces of debris are cleaned from the mating surfaces. Use degreaser if necessary.

Step 4: Install the new gasket

Ensure the new gasket is positioned correctly and apply a light coat of oil to it for proper seating.

Step 5: Reinstall the oil filter housing

Tighten the bolts to the specified torque following the correct tightening sequence.

Step 6: Reassemble components

Reinstall any removed parts in the reverse order they were removed.

Step 7: Replace the oil filter

Use a filter wrench to remove the old filter and install a new one, tightening it hand-tight.

Step 8: Refill the engine oil:

Use the manufacturer’s recommended oil and filter type and capacity. Check for leaks after starting the engine and letting it run for a few minutes.

Oil Filter Housing Leak Causes

Here are some of the most common culprits:

Gasket failure
Improper installation
Damaged housing
Loose oil filter
Other potential causes

Oil Filter Housing Leak Repair Cost

Here’s a rough estimate based on average scenarios:

Gasket replacement: $150-$400 (including parts and labor)
Housing repair: $300-$800+ (including parts and labor)

Oil Filter Housing Leak Bmw Symptoms

There are several key symptoms that can indicate an oil filter housing leak in your BMW:

Oil spots under your car: Look for fresh oil stains underneath the engine area, particularly after parking for a while.
Low oil level: An oil filter housing leak can gradually deplete your engine oil, leading to a low oil level warning on your dashboard.
Burning oil smell: If oil leaks onto hot engine components, it can burn and produce a distinct burnt oil odor.
Engine noises: In severe cases, a significant oil leak can lead to low oil pressure and knocking sounds from the engine.
Oil filter warning light: Some BMW models might have a specific oil filter warning light that illuminates if the system detects a problem.
Smoke from the engine compartment: In rare cases, a large oil leak could potentially cause smoke if it comes into contact with hot engine parts.

Oil Filter Housing Leak Bmw Recall

Here are the details of the recall:

NHTSA Campaign Number: 19V247
Vehicles Affected: 2015-2017 BMW X3, X4, and X5 models equipped with the N20 or B48 engines
Problem: The plastic oil filter housing could crack and leak oil, posing a fire risk.
Solution: BMW dealers will replace the oil filter housing with an aluminum one free of charge.

Oil Filter Housing Leak Bmw 5 Series

Oil filter housing leaks are a common problem in many BMW models, including the 5 Series. Here are some of the key symptoms to watch out for:

It can burn and produce a distinct burnt oil odor.
Performance issues
Oil filter warning light

Oil Filter Housing Leak Bmw 3 Series

If you suspect an oil filter housing leak in your BMW 3 Series, it’s important to get it checked out by a qualified mechanic as soon as possible to avoid potential engine damage.

How To Fix Oil Filter Housing Leak Bmw

Fixing a BMW oil filter housing leak depends on the cause. Gasket replacement:

Identify your BMW model for specific instructions.
Drain oil & remove housing (consult a manual or video tutorial).
Replace gasket & reinstall housing with proper torque.
Refill oil and check for leaks.

Oil Filter Housing Gasket Replacement Cost Bmw

Here’s a rough estimate based on average scenarios:

Gasket replacement at a dealership: $300-$700+
Gasket replacement at an independent shop: $150-$400
DIY gasket replacement: $50-$100 (parts only)

Bmw E90 Oil Filter Housing Leak

The oil filter housing gasket is a common culprit for leaks in BMW E90s. Symptoms include oil spots under the car, oil on the engine block, and a burning oil smell.

Oil Filter Housing Leak Bmw 328i

BMW 328i oil filter housing leaks are common, often due to a worn gasket. Repair typically involves gasket replacement, costing $150-$400 at a shop, but DIY is possible if experienced.

Oil Oozing From Oil Filter Cap

Oil oozing from the oil filter cap can indicate several issues:

Loose cap: Ensure proper tightening.
Damaged gasket: Requires replacement.
Faulty pressure valve: Consult a mechanic.
Overfilled engine: Drain excess oil.

Bmw Cracked Oil Filter Housing

Cracked oil filter housing in a BMW can be serious. It leads to oil leaks, potential engine damage, and fire risks. Seek professional help immediately.

FAQ

How much does it cost to fix a BMW oil filter housing leak?

Fixing a BMW oil filter housing leak costs $150-$700+, depending on severity, repairs needed, and shop type.

How serious is an oil filter housing leak?

An oil filter housing leak can range from not too serious (gasket issue) to very serious (engine damage) depending on the cause and severity. Get it checked promptly to avoid costly problems.

Can I drive with an oil filter housing leak?

No, you should not drive with an oil filter housing leak. It can quickly lead to engine damage due to low oil pressure.

Why is my BMW leaking oil from the oil filter?

The most likely culprit for your BMW’s oil leak from the filter area is a worn or damaged oil filter gasket. Other possibilities include a loose filter, damaged housing, or internal issues.

What is the most common leak on a BMW?

The most common leak on a BMW is generally considered to be an oil filter housing gasket leak. This is due to the gasket naturally wearing down over time and needing replacement.

Is it common for BMW to leak oil?

While BMWs are known for performance and luxury, oil leaks, particularly from the oil filter housing, are unfortunately more common than desired compared to other car brands. This is often attributed to specific gasket materials or complex engine designs.

Conclusion

Oil filter housing leak BMW, often caused by a worn gasket, is a serious issue requiring attention. Ignoring it can lead to engine damage and costly repairs.

Watch for visual signs like oil spots, burning oil smell, or low oil level warning. Prompt diagnosis and repair by a qualified mechanic are crucial. Remember, DIY might save cost, but prioritize safety and seek professional help if unsure.

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