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BMW 545i Pressure Test Radiator Cap at your home or office.

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Pressure Test Radiator Cap Service

How much does a Pressure Test Radiator Cap cost?

On average, the cost for a BMW 545i Pressure Test Radiator Cap is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2004 BMW 545iV8-4.4LService typePressure Test Radiator CapEstimate$114.99Shop/Dealer Price$132.49 - $145.62
2005 BMW 545iV8-4.4LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$112.52 - $125.67
Show example BMW 545i Pressure Test Radiator Cap prices

What is the radiator cap pressure test all about?

In a pressurized cooling system like those found on all cars, your car’s radiator cap is calibrated to seal in coolant to a particular pressure point, then allow some vapor to escape once that threshold has been reached. The ejected fluid is piped into the overflow bottle you might have seen in the engine bay. Then, as the engine cools, the coolant level may drop inside radiator. When that happens, a reverse-flow valve in the radiator cap opens to allow fluid from the bottle to return to the radiator. A radiator cap that isn’t working properly may cause too much fluid to escape the system.

Keep in mind:

  • A radiator cap pressure test is quick and simple, and replacement radiator caps are inexpensive.
  • Leaving a defective radiator cap in place can cause damage to the engine.

How it's done:

  • The vehicle engine is cooled before the radiator cap can be removed
  • The radiator pressure is relieved and the cap is removed
  • The radiator cap is pressure tested to specifications
  • The radiator cap is replaced and/or reinstalled to the radiator
  • The vehicle is verified to confirm problem is fixed

Our recommendation:

If your car’s engine overheats, or the overflow bottle seems overly full, have the radiator (and radiator cap) pressure tested.

What are the common symptoms indicating you need to pressure test the radiator cap?

  • Car overheats
  • Car’s overflow bottle fills up

How important is this service?

Not having this safety valve on the car’s cooling system operate properly can over- or under-pressurize the system, leading to damage to hoses, the radiator, and even the car’s cylinder head.

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Number of BMW 545i services completed
396+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
experts on our platform
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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating

(36)
Rating Summary
32
3
1
0
0
32
3
1
0
0

Carlos

16 years of experience
362 reviews
Request Carlos
Carlos
16 years of experience
Request Carlos
by William
BMW 545i V8-4.4L - Oil Cooler Hose (Automatic Transmission) Replacement - Fort Worth, Texas
It was not an easy process but Carlos stuck with the job and got it done. Now the car is leak free thanks to Carlos.

Torrieanto

12 years of experience
632 reviews
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Torrieanto
12 years of experience
Request Torrieanto
by Derek
BMW 545i V8-4.4L - Transmission Mount - Largo, Florida
another great experience

Robert

31 years of experience
641 reviews
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Robert
31 years of experience
Request Robert
by Zhanzhi
BMW 545i V8-4.4L - Oil Change - Union City, California

Chris

22 years of experience
2223 reviews
Request Chris
Chris
22 years of experience
Request Chris
by sammy
BMW 545i V8-4.4L - Car is not starting - Corona, California
hi, Mr Chris Allshouse. He came by to day . he had check the BMW 2004 545 i, he told me that the timing censer's on each side of the valve cover's was broke I just want to say that Chris Allshouse is a smart guy he said the problem is the censers he said that 90% it is the PROBLEM. i have took that car to a few mechanic's told me all deferent stories. why is not starting. so the truth is I paid the other mechanic's. they just took my money. so I am going to let him finish the job on my 2004 BMW 545 I . but he said it cost $80 dollars to check and that if he gets the job that $50 dollars will go to the repairs..thats fine. i want him to fix it and ill pay it by a money ORDER or CASH which ever you prefer when the job is DONE .but I am a man of my word. he get's it Running I will give him a money tip.PLEASE CALL ME SAMMY MITCHELL -951-818-8105 When it's running as he said to me . lets complete the job to get it running.if you prefer other armaments ,just call me please

Excellent Rating

(36)
Rating Summary
32
3
1
0
0
32
3
1
0
0
Number of BMW 545i services completed
396+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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