ecu - 2.0 to 2.5 upgrade

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

Moderator: martauto

eamo
E30 Zone Regular
E30 Zone Regular
Posts: 465
Joined: Tue Feb 22, 2005 11:00 pm
Location: Offaly, Ireland

Post Wed Sep 06, 2006 8:04 pm

ive just dropped a 2.5 lump into my 320

i know the 2.5 and 2.0 share the same ecu but do i need to replace the 2.0 chip with a standrard 2.5 chip??
Simon
E30 Zone Team Member
E30 Zone Team Member
Posts: 14939
Joined: Sun Jan 09, 2005 11:00 pm
Location: South Wales

Post Wed Sep 06, 2006 8:07 pm

To get the best out of the engine, yes you will need the proper 2.5 chip, but it will run on the 2.0
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Chris-W
E30 Zone Team Member
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Posts: 7219
Joined: Tue May 24, 2005 11:00 pm
Location: South Cheshire

Post Wed Sep 06, 2006 8:29 pm

Let me know if you need a 2.5 ECU.
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