OEM Electric Coolant Pump for 1997-2013 BMW

What to Look for When Buying This Part

• Check the connector. Make sure the electrical connector matches your car.
• Inspect the housing. Look for cracks or damage.
• Ask about warranty. A warranty protects you if the part fails.

Quality Indicators for the Available Options

What's Typically Included with the Part

• The electric coolant pump itself.
• Sometimes a new gasket or O-ring.

Difficulty Level and Estimated Time

• Difficulty: Medium
• Estimated Time: 1-3 hours

Special Tools Needed (if any)

• Basic hand tools (sockets, wrenches, screwdrivers)
• Pliers
• Torque wrench
• Catch pan for coolant

Critical Steps and Tips

1. Disconnect the battery. This is important for safety.
2. Drain the coolant. Use a catch pan to collect the coolant. Dispose of it properly.
3. Remove the old pump. Disconnect the electrical connector and hoses.
4. Install the new pump. Connect the hoses and electrical connector.
5. Refill the coolant. Make sure to bleed the system to remove air bubbles.
6. Reconnect the battery.

Whether DIY is Recommended or Professional Installation is Better

• DIY is possible if you have experience working on cars. If you're not comfortable, professional installation is recommended.

Compare: Used OEM, Refurbished OEM, New Aftermarket

| Option | Pros the part itself.

• Sometimes a new gasket or O-ring.

Compare: Used OEM, Refurbished OEM, New Aftermarket

| Option | Pros say, "The electric coolant pump is a critical component in your BMW's cooling system. When it fails, it can lead to serious engine damage. This page will help you diagnose the problem, choose the right replacement, and get your BMW back on the road."

Warning Signs the Electric Coolant Pump is Failing

• Overheating engine. This is a big problem if your car overheats.
• Coolant leaks near the pump. Look for wet spots.
• Strange noises. You might hear a whine or buzz.
• Temperature gauge is high. The needle will be past the middle.
• Check engine light. This light might come on.

How to Test if This Part is the Problem

1. Look for leaks: Check around the pump for coolant.
2. Listen closely: Can you hear the pump running when the car is on?
3. Use a multimeter: This tool can check if the pump is getting power.
4. Scan for error codes: A mechanic can use a scanner to see if there are any codes about the pump.

Common Failure Causes for This Part

• It gets old. Parts wear out over time.
• Dirty coolant. This can damage the pump.
• Overheating. This puts extra stress on the pump.
• Bad wiring. Problems with the wires can cause the pump to fail.

What to Look for When Buying This Part

• Make sure the connector fits. The electrical plug needs to match your car.
• Check for damage. Look for cracks or broken pieces.
• Ask about a warranty. This protects you if the part breaks soon after you buy it.

Quality Indicators for the Available Options

What's Typically Included with the Part

• Just the pump itself.
• Sometimes a rubber ring (gasket).

Difficulty Level and Estimated Time

• How hard: Medium
• How long: 1 to 3 hours

Special Tools Needed (if any)

• Regular tools like sockets and wrenches
• Pliers
• A tool to tighten things just right (torque wrench)
• A pan to catch the coolant

Critical Steps and Tips

1. Unplug the battery. This is the first thing to do for safety.
2. Drain the coolant. Catch it in a pan.
3. Take out the old pump. Unplug the wires and hoses.
4. Put in the new pump. Plug in the wires and hoses.
5. Add coolant. Make sure there are no air bubbles.
6. Plug the battery back in.

Whether DIY is Recommended or Professional Installation is Better

• If you know cars, you can do it yourself. If not, a mechanic is better.

Compare: Used OEM, Refurbished OEM, New Aftermarket

• Used OEM: These are original BMW parts that have been taken from another car. They are tested to make sure they work. They are usually the cheapest option. You get a real BMW part for less money.
• Refurbished OEM: These are also original BMW parts. But they have been fixed up by professionals. They replace any broken parts. This makes them almost like new.
• New Aftermarket: These are brand new parts made by companies other than BMW. They are made to fit your BMW. They can be a good choice if you want a new part.

Parts Commonly Replaced or Checked at the Same Time

• Thermostat. This controls the engine temperature.
• Coolant hoses. These carry coolant to and from the engine.
• Coolant. It's a good idea to replace the coolant when you replace the pump.

Why Replacing Related Parts Prevents Repeat Failures

• Old hoses can leak and cause the new pump to work harder. A bad thermostat can cause the engine to overheat, which can damage the pump.

How Long This Part Normally Lasts

• 5 to 10 years.

Factors that Affect Longevity

• How well you take care of your car.
• The quality of the coolant.
• How often the engine overheats.

Budget vs Mid-Range vs Premium Options

• Used OEM: $50 - $150
• Refurbished OEM: $100 - $250
• New Aftermarket: $80 - $300

Labor Cost Considerations if Applicable

• Labor to install the pump can cost $200 - $500.

Total Job Cost Estimates

• DIY: $50 - $300 (depending on part and supplies)
• Professional Installation: $250 - $800 (depending on part and labor)

Known Issues for This Vehicle's System Related to This Part

• Some models have problems with air getting trapped in the cooling system. This can cause the pump to fail.
• The electrical connector can sometimes become brittle and crack.

Any TSBs or Common Complaints

• Check online for any Technical Service Bulletins (TSBs) related to the cooling system on your BMW.

How to Confirm Proper Operation

• Check the temperature gauge. It should stay in the normal range.
• Look for leaks. Check around the pump and hoses for coolant.
• Listen for the pump. It should be running quietly.

What to Look/Listen for to Verify It's Working Correctly

• The engine should not overheat.
• The heat should work properly.
• There should be no warning lights on the dashboard.

Q: How do I know if my electric coolant pump is bad?
A: The most common signs are overheating, coolant leaks, and strange noises from the engine.

Q: Can I drive my BMW if the coolant pump is bad?
A: No. Driving with a bad coolant pump can cause serious engine damage.

Q: How long does it take to replace an electric coolant pump?
A: It usually takes 1 to 3 hours.

Q: Is it hard to replace an electric coolant pump myself?
A: It's a medium-level job. If you're not comfortable working on cars, it's best to have a mechanic do it.

Q: What kind of coolant should I use in my BMW?
A: Use the coolant that is recommended in your owner's manual. Using the wrong coolant can damage the cooling system.

OEM Part Numbers:

• BMW: 64118369806, 8369806

Fits Years: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013