Drivetrain What kind of ECU does the 2003 Cooper S have?

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Aug 18, 2008 | 06:58 AM

Mike S

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What kind of ECU does the 2003 Cooper S have?

I phoned BMW and the guy in the parts department wasn't sure. He just said he looks like a Bosch but he can't 100% confirm. Doesn't anybody know? Apparently Bosch/Siemens ECU's were used for the R53's - just not sure on what year they changed over.

Aug 18, 2008 | 07:52 AM

jaynicholson

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If you take it out (which is very easy) it sould say on the case. From my reading I've only heard about the Siemens ECU, no mention of Bosch.

Aug 18, 2008 | 08:25 AM

CmdrVimes

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From: 127.0.0.1

I've heard mention of Bosch ECUs being used, but here in the US all the older cars I have seen have always been a Siemens.

Aug 18, 2008 | 11:09 AM

littlehandegan

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Siemens ECU

Aug 18, 2008 | 02:47 PM

J Marshall

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From: Louisville

Siemens EMS2000 to be exact.

Aug 19, 2008 | 06:01 AM

Mike S

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Thanks guys!

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