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120d Vs 123d

Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum
Category: Technical & Model Specific Forums
Forum Name: BMW 1 Series
Forum Discription: This forum deals with any issues on the BMW E87 1 Series
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=39734
Printed Date: 11-July-2020 at 08:06


Topic: 120d Vs 123d
Posted By: mbbaz
Subject: 120d Vs 123d
Date Posted: 20-December-2007 at 12:01

Does anyone know if the internals on the 120d are the same as the 123d?

 



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E46 M3



Replies:
Posted By: BeemaBoy
Date Posted: 21-December-2007 at 05:55

Can I ask why you want to know?

Are you looking at changing an entire engine over or just a few components?

BB



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87 E30 320I
95 E34 525I Auto, Executive Package, Arctic Silver
98 E38 740I Steptronic, Silver


Posted By: mbbaz
Date Posted: 21-December-2007 at 17:20
No Iím wondering can the 120d be remapped to put out the same 200BHp as the 123d with no long-term effects.

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E46 M3


Posted By: pangster
Date Posted: 31-July-2013 at 22:09
your best bet would be to check and cross reference on RealOEM - I checked the F20 engines and confirmed the 116d and 118d are exactly the same (only difference is the maps they run)

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1998 BMW Z3 2.8 Roadster
1998 BMW 316i Compact (E36)


Posted By: Andrew Rolland
Date Posted: 01-August-2013 at 08:24
Old post but, the 123d is a twin turbo engine and the 120d is a single turbo engine.  No amount of mapping on a 120d will get it to work like a twin turbo'd engine.  You might be able to tinker with a 120d engine to give you the same bhp as the 123d but it won't be quite the same in terms of power delivery due to the single turbo. 
 


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Posted By: thepits
Date Posted: 01-August-2013 at 11:56
Originally posted by Andrew Rolland Andrew Rolland wrote:

Old post....
 
You ain't kidding - like over 5 1/2 years!

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Cats know your every thought.

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