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      08-16-2010, 06:22 PM   #119
aussiem3
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Drives: Goggomobil
Join Date: Jul 2007
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2007 E92 M3  [0.00]
I just had a new gearbox put in my '07 car after 21k km. No break instructions although I have to go in for transmission oil change after 2k km.

The break-in is mainly for the engine because BMW use a Castrol mineral oil for breaking in an engine. I don't know whether the same applies to the transmission - diff and gearbox.

I'll rather be safe than sorry. I've followed the break-in instructions although I did go over 5500 rpm a couple of times.

I also think it's about putting hot spots on the engine components especially with the type of oil BMW use for the first 2k km and the viscosity of this oil.

My 2c.
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E92 M3 2007 - ///PE with Test Pipes and BPM Stage II; CF Interior & Splitters; CIC with Connected Drive