The New And Improved Unofficial R65 Forum V2
Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: badgertom on April 11, 2014, 03:16:20 PM
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Has anyone heard of lubricating ( with white lith. grease) the ignition control unit? The former owner of my 1982 R65 told me that this had to be done occasinally. If so how and what parts?
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The ignition control module, it should be around the voltage regulator .
You remove the two screws and seperate the heatsink from the module , clean both surfaces off and apply ' heat sink ' compound, not grease .
You can get some at Radio Shack, if you have a store near you, can't tell where you call home, whether it's in the US or not .
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To add to what Bob said, isopropyl alcohol will easily remove the old thermal compound. You want the new layer to be thin; the stuff is made to fill the small gaps between the ICU and the heat sink, not provide a big "sandwich layer."
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You can find suitable compound at every computer shop doing assembly. It is *also* used to mount processor heat sink on the processor's module. You can also find it at every shop selling electronics components (resistors, diodes, resistors...etc)
One syringe last a life time ....
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+1 on what Luca said about applying only a thin layer of heat transfer compound.
Truth is compared to the metal itself this stuff is a relatively poor conductor of heat. You only need enough to fill in any small gaps where metal to metal contact does not occur.