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      07-18-2019, 12:35 PM   #12
Polo08816
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Drives: 2014 335i M Sport
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Quote:
Originally Posted by Polo08816 View Post
When you install a larger intercooler (heat exchanger) in front of the radiator (another heat exchanger), you're altering the air flow through both heat exchangers. The fan make sound different because it's working harder due to air flow being more restrictive.
Quote:
Originally Posted by XutvJet View Post
^This.
This may not be a problem for drag racing or roll racing, but it creates a cooling problem if you're tracking the car for sure because you need to balance the need of cooling the intake charge vs the engine coolant.
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