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Old 08-14-2012, 09:36 PM
TJPark01's Avatar
TJPark01 TJPark01 is offline
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Location: Hollywood, CA
 
Join Date: Oct 2009
Posts: 3,162
Mein Auto: E92 335i
Auxilary Oil Cooler N55 F10

While I was at the dealer I noticed a non sport 535i had a strange thing attached to the oil filter housing. I had seen this before on a 3 series and knew it was a heat exchanger. I looked at my car and noticed, a thermostat and oil lines connecting to an auxiliary oil cooler near the passenger front end. After looking at several 535i's, it looks like certain models come with an auxiliary oil cooler, while others don't.

So What? You may ask. While it doesn't seem material at this point. In the previous models, engines without oil coolers were not upgradable to receive the BMW Performance Power Kit which BMW may introduce in the future to N55 owners.

Heat Exchanger:



*******>********>*******>********>*******>********>*******>********>*******>********>
09 11427525333 HEAT EXCHANGER



AuxiliaryOil Cooler:






*******>********>*******>********>*******>********>*******>********>*******>********>
09 11427573051 THERMOSTAT HOUSING WITH THERMOSTAT

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Last edited by TJPark01; 08-19-2012 at 08:34 AM.
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