ECU Troubles

Need technical Q/A then you're in the right place

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Onz
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Post Tue Sep 19, 2006 9:26 am

Hey Guys,

Sorry for asking soo many questions. But what is the difference between the 320i and 325i ECU systems? Are they cross compatible? Where can I read more about it?
zaust
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Post Tue Sep 19, 2006 10:26 am

Depend's on year, But 25 ecu has higher values..
M30 Tech 1 Touring on gas.
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Brianmoooore
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Post Tue Sep 19, 2006 9:28 pm

Later 320 and 325 ECUs are the same apart from the chip.
If you're chipping the ECU it doesn't matter which one you start with.