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E85 / E86 Z4 (2003-2008)
E85 Z4 Roadster, E86 Z4 Coupe, E85 Z4 M Roadster, and E86 Z4 M Coupe talk with our BMW gurus here.

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Old 01-04-2013, 12:30 AM
07Z4MCoupe 07Z4MCoupe is offline
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Location: north carolina
Join Date: Sep 2012
Posts: 10
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Mein Auto: 2007 BMW Z4 M Coupe
Z4M throttle body replacement inlets

Found Dinan throttle body replacement that says it is a bored out throttle body that has a 6hp gain. I dont know if the $1500 is worth 6hp especially on a throttle body. any info would be appreciated.
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Old 01-04-2013, 05:09 AM
Mikey48 Mikey48 is offline
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Location: Charleston,S.C.
Join Date: Mar 2011
Posts: 502
Mein Auto: BMW Z4 3.0
I would not buy it. That is a lot of money for 6hp. You can find something better to do with that money. Check out a k/n air filter cost less and will give you about the same hp gains.
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Old 01-05-2013, 08:41 AM
Hat's On, Tops Down!
Location: Georiga
Join Date: Feb 2008
Posts: 1,140
Mein Auto: 2013 335is
Dinan products are way over priced per hp gain IMHO. Besides, they really don't have that much for us Z4M guys unless they have started up some new stuff for us.

Check with Randy Forbes, he can give you a good run down on what to do. Try him here or on FB.


2013 335is Convertible
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