OEM Oil Cooler Assembly for 2006-2019 BMW

What to look for when buying an oil cooler assembly:

• Check the Condition: If buying a used part, look for signs of damage or corrosion. Make sure it's clean and free of debris.
• Inspect the Seals: Check the seals and gaskets for cracks or damage.
• Verify Compatibility: Although this part fits many models, double-check that it's the right one for your specific BMW.

Quality indicators:

• OEM Markings: Look for the original manufacturer's markings.
• Material Quality: Check the quality of the metal and plastic parts.
• Warranty: A warranty can give you peace of mind.

What's included:

• The oil cooler assembly itself.
• Sometimes, new seals or gaskets are included. Check the product description.

Replacing the oil cooler assembly is a medium-difficulty job.

• Difficulty Level: Medium
• Estimated Time: 2-4 hours

Special tools needed:

• Socket set
• Torque wrench
• Drain pan
• Coolant

Critical steps and tips:

1. Drain the engine oil and coolant.
2. Disconnect the oil lines and coolant lines from the oil cooler.
3. Remove the old oil cooler assembly.
4. Install the new oil cooler assembly with new seals and gaskets.
5. Reconnect the oil lines and coolant lines.
6. Refill the engine oil and coolant.
7. Bleed the cooling system.

DIY or Professional?

• If you're comfortable working on cars and have the right tools, you can probably do this yourself. Otherwise, it's best to have a professional install it.

Here's a comparison of your buying options:

• Used OEM: These are genuine factory parts that have been tested and inspected. They offer great value.
• Refurbished OEM: These are factory parts that have been professionally restored with new components.
• New Aftermarket: These are brand new third-party parts made to meet OE specifications.

Used OEM:

• Best value for your money.
• Genuine factory part.
• Tested and inspected to ensure it works.

Refurbished OEM:

• Factory part restored to like-new condition.
• May have new seals, gaskets, or other components.

New Aftermarket:

• Brand new part.
• Made to meet OE specifications.
• Can be a good option if you want a new part.

Consider replacing these parts at the same time:

• Oil Filter Housing Gasket: This gasket often leaks when the oil cooler is removed.
• Coolant Hoses: Check the coolant hoses for cracks or leaks.
• Thermostat: A faulty thermostat can cause overheating, which can damage the oil cooler.

Replacing these parts can prevent repeat failures and save you time and money in the long run.

The oil cooler assembly typically lasts 75,000 to 150,000 miles.

Factors that affect longevity:

• Driving Conditions: Stop-and-go driving and extreme temperatures can shorten its lifespan.
• Maintenance: Regular oil changes and coolant flushes can help extend its life.
• Quality of Parts: Using high-quality parts can also extend its life.

Here's a general idea of price ranges:

• Used OEM: $75 - $200
• Refurbished OEM: $150 - $300
• New Aftermarket: $200 - $400

Labor costs for installation can range from $200 to $500, depending on the shop and your location.

Total job cost estimate:

• DIY: $75 - $400 (parts only)
• Professional Installation: $275 - $900 (parts and labor)

Some BMW models in this range are known to have issues with the oil filter housing gasket, which is located near the oil cooler. Leaks from this gasket can sometimes be mistaken for oil cooler leaks.

Check for any Technical Service Bulletins (TSBs) related to the oil cooler or cooling system for your specific model year.

After installing the new oil cooler assembly:

1. Check for leaks around the oil cooler and oil lines.
2. Monitor the engine temperature gauge to make sure it's running at the normal temperature.
3. Check the oil level to make sure it's correct.
4. Listen for any unusual noises.

If you notice any leaks, overheating, or other problems, take your car to a mechanic right away.

Q: How do I know if my oil cooler is leaking?
A: Look for oil puddles under your car, especially near the front. Also, check for oil on the oil cooler itself.

Q: Can I drive with a leaking oil cooler?
A: It's not recommended. A leaking oil cooler can cause your engine to overheat and can lead to serious engine damage.

Q: Is it hard to replace an oil cooler myself?
A: It's a medium-difficulty job. If you're comfortable working on cars and have the right tools, you can probably do it yourself. Otherwise, it's best to have a professional install it.

Q: What happens if my oil cooler fails?
A: Your engine can overheat, which can lead to serious engine damage. You may also experience low oil pressure.

Q: How often should I replace my oil cooler?
A: The oil cooler typically lasts 75,000 to 150,000 miles.

OEM Part Numbers:

• BMW: 11 42 7 525 333, 11427525333, 7525333

Fits Years: 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019