Heat Exchanger - Radiator - BMW 5 / 6 / 7 Series - Various Models
Heat Exchanger - Radiator - BMW 5 / 6 / 7 Series - Various Models
Heat Exchanger - Radiator - BMW 5 / 6 / 7 Series - Various Models
BMW Part Number: 17 21 7 519 213 / 17 21 7 507 974
To Fit the following Models:
E60 5-Series Sedan 525i - M54 All Models
E60 5-Series Sedan 530i - M54 All Models
E60 5-Series Sedan 545i - All Models - With Automatic Transmission
E63 6-Series Coupe 645 Ci - All Models - With Automatic Transmission
E64 6-Series Cabrio 645 Ci - All Models - With Automatic Transmission
E65 7-Series Sedan 745i - All Models
BMW Heat Exchanger / Oil Cooler – 5 Series, 6 Series & 7 Series
The BMW heat exchanger is an important component in maintaining correct oil temperatures and protecting the engine and transmission from excessive heat. Also commonly referred to as an oil cooler or transmission oil cooler, the heat exchanger transfers heat between fluids to help keep operating temperatures within the correct range.
This BMW heat exchanger is designed for selected BMW 5 Series, 6 Series and 7 Series models and is particularly important on vehicles equipped with automatic transmissions.
Why Is the BMW Heat Exchanger Important?
Oil temperature has a major effect on the operation and reliability of an engine or automatic transmission. Oil that becomes excessively hot can lose some of its ability to protect and lubricate components effectively.
The BMW heat exchanger helps manage temperature by transferring heat away from the oil. Maintaining the correct operating temperature can help support proper lubrication, transmission operation and component longevity.
BMW parts catalogues identify part number 17 21 7 519 213 as a heat exchanger and oil cooler, with applications including automatic-transmission BMW models.
Signs of a Faulty BMW Heat Exchanger
A damaged, blocked or leaking heat exchanger can contribute to several problems, including:
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Oil leaks
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Coolant leaks
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Unusual oil or coolant contamination
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Excessive oil temperatures
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Transmission overheating
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Transmission shifting problems
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Low fluid levels
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Overheating-related warning messages
A leak should not be ignored. Depending on the design and application, a failed heat exchanger can potentially allow fluids to mix, making early diagnosis important.
BMW Heat Exchanger Replacement
If you notice unexplained oil or coolant loss, overheating, transmission temperature problems or evidence of fluid contamination, the heat exchanger and associated cooling system should be inspected.
Before replacing the component, the cooling and lubrication systems should be properly diagnosed to determine whether the heat exchanger, seals, hoses or another component is responsible for the problem.
BMW Heat Exchanger Fitment
This heat exchanger is listed for various BMW models including:
BMW 5 Series
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E60 525i – M54
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E60 530i – M54
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E60 545i – automatic transmission
BMW 6 Series
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E63 645Ci – automatic transmission
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E64 645Ci – automatic transmission
BMW 7 Series
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E65 745i
The BM Parts Mall product page lists BMW part numbers:
17 21 7 519 213
17 21 7 507 974
The latter is listed as a replacement/superseding part number in BMW parts catalogues. Always confirm your BMW VIN, engine, transmission and existing part number before ordering to ensure correct fitment.
Don't Ignore BMW Oil Cooling Problems
The heat exchanger is a relatively small component, but it performs an important job in managing operating temperatures. A leaking or damaged heat exchanger can lead to fluid loss and, depending on the failure, potentially more serious engine or transmission problems.
Replacing a faulty BMW heat exchanger / oil cooler can help restore the correct temperature management of the vehicle's lubrication and transmission systems.
BMW Heat Exchanger in South Africa
Looking for a BMW heat exchanger or oil cooler in South Africa?
BM Parts Mall specialises in BMW-only parts, helping BMW owners, technicians and workshops find replacement parts for their vehicles.
BMW-only parts. Correct fitment. Delivered anywhere in South Africa.
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