BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      10-18-2011, 09:03 PM   #1
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Drives: 2011 135i DCT
Join Date: May 2010
Location: MD

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M3 DCT Oil Cooler retrofit into 135?

Any info on putting a M3 DCT oil cooler (in right lower intake) into a 135 left intake to help keep engine oil and water temps down? From what I read, the DCT is dumping heat into the water. Also to help the DCT achieve a long life.

Ultimate cooling would be a larger all aluminum radiator, larger engine Oil cooler in right intake and a DCT oil cooler in left intake.
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      10-19-2011, 01:45 AM   #2
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, Brembo, GIAC, Koni, Ohlins, Performance Friction, Quaife, Stoptech, Vorshlag

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DCT will not down shift

You will appreciate the larger DCT cooler if you ever upgrade yours. Once the fluid is too hot, DCT will not shift properly, especially at down shifting.
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