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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-30-2011, 04:30 PM   #8
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Join Date: Apr 2008
Location: Dallas, TX
Posts: 2,217
My Ride: E30-E46-E90-E90M-F30
Originally Posted by smolck View Post
You need to consider upgrading your trans to handle the extra power, and also I do not think the DME from the m52tu will run right with the ZHP engine. At minimum you need bigger injectors. Seems like a lot of expense for a 30hp gain. If you are putting down 172hp at the wheels (don't see how that is possible with a 323) then why bother? A stock ZHP only puts about 200hp to the pavement. And with the wrong DME, you won't be able to take full advantage of the 3.0 motor anyways. A $100 set of headers and pullies would probably be about the same.
I have a ZF tranny and this is the same as the 330 I think.

For my 172HP thread please see my intake manifold retrofit project below
flashmeow is offline   Reply With Quote

too many pictures

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