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E60 525i/528i/530i N52 Radiator Differences

Two radiator options are available for the 2006-2010 E60 525i, 528i, and 530i with an automatic transmission (including Xi xDrive models). The difference is small but can really confuse owners and technicians who may end up with the wrong radiator. Unlike other early vs. late parts there is no cutoff date for when BMW adopted one version over the other. And to further muddy the waters, BMW continued to sell the early style while simultaneously updating cars with the new style.

The difference is with a hose that runs from the engine oil cooler (heat exchanger) to the water pump. On the early models this hose also had a third connection to the radiator. On the updated design, BMW did away with this third connection.

If your 525i/528i/530i had a radiator replacement at a BMW dealership it likely got the updated radiator and hose. However, if an independent shop did the work it could have either. Aside from receipts and detailed service records, the only sure way to tell is by inspecting the parts on your car.

Early style with hose connection:


Early N52 radiator.


Late style without hose connection:


Late N52 radiator.


Hoses and Connections:
And here is the hose layout. You can see how both hoses are routed to the heat exchanger and to the pipe going to the water pump. But the early hose also branches off to the radiator while the later one does not.


The early hose (#999) branches off to the radiator. The late hose (#494) does not.



Note: if you decide to update to the newer design by buying the radiator and hose, you will also need two small spacer blocks (BMW calls them compensators, part #17117520335). These are to fill in a gap because the newer radiator is slightly narrower.

E60 N52 Radiators, Hoses, and Kits:
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Radiator, Behr - Early E60 525i/528i/530i Automatic (with heat exchanger fitting)

Early style replacement radiator with additional hose fitting. OEM replacement for BMW part #17117534914.

Price: $207.57

552.78
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Coolant Water Hose, Heat Exchanger-Water Pipe-Radiator, Rein - E60 525i/528i/530i N52

Coolant hose from oil cooler to water pump and radiator for early type N52 radiator. Replaces BMW part #11537522999.

Price: $44.68

69.02
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BMW-17117519209-17-11-7-519-209-SF-Behr-Hella-Service-Radiator-sm.jpg

Radiator, Behr - Late E60 525i/528i/530i (no heat exchanger), E60 550i, E63 650i, E65 750i 06-08

Late style replacement radiator without additional hose fitting. OEM replacement for BMW part #17117519209.

Price: $223.76

507.59
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BMW-11537519494-11-53-7-519-494-SF-Genuine-BMW-Water-Hose-sm.jpg

Coolant Water Hose, Heat Exchanger-Water Pipe, Rein - E60 525i/528i/530i N52

Coolant hose from oil cooler to water pump for late type N52 radiator. Replaces BMW part #11537519494.

Price: $18.19

44.96
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Spacer/Compensator, BMW - E60 525i/528i/530i Radiator Update

Rubber block spacer used when updating N52 radiator to latest design.

Price: $4.07

4.52
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Radiator & Hose Package, Early - E60 525i/528i/530i N52

Early style replacement radiator with matching hose. OEM replacement for BMW part #17117534914.

Price: $225.58

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Radiator & Hose Package, Early - E60 525i/528i/530i N52

Early style replacement radiator with matching hose. OEM replacement for BMW part #17117534914.

Price: $254.35

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