E46Fanatics - View Single Post - Let's talk M52TU upgrades
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Old 06-28-2010, 04:10 PM   #40
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Join Date: Nov 2009
Location: Romania
Posts: 20
My Ride: BMW 323Ci E46
Actually restriction comes from intake manifold, but you can consider TB also a restriction, you`re right. As I know if you want to swap and the TB, you must swap a lot of sensors and the gas pedal, there`s much more changes to do. So you can swap intake manifold from m54b25 or from b30, the difference is that in case of b30 you consider the M52 TB a restriciton, which in case with m54b25 is not. You have to choose.
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