325i swap Bosch Motronic ML3.3 for 1.3?

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Acaciastrain360
E30 Zone Regular
E30 Zone Regular
Posts: 298
Joined: Sun Aug 31, 2014 11:00 pm

Post Sat Mar 04, 2017 8:28 am

Hi, I have a chromie 325i with Bosch Motronic ML3.3

Can I do a direct swap for the later 1.3 Bosch unit?? As it's readily available

Thanks
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Speedtouch
Old Skooler
Old Skooler
Posts: 14100
Joined: Tue Feb 14, 2006 11:00 pm
Location: Canterbury

Post Sat Mar 04, 2017 11:50 am

Yes, it is possible, but quite involved:

http://www.e30zone.net/e30zonewiki/inde ... tronic_1.3
///M aurice
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
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