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      01-22-2013, 10:12 AM   #55
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Drives: 130i coupé ;)
Join Date: Nov 2011
Location: Bimmerpost

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2008 BMW 128i  [5.00]
Originally Posted by cu260r6 View Post
Great info, thanks. I have a line on a #25 with both DISA valves for $350, so I may go this route if the heat sink isn't that expensive. I don't mind running without the cosmetic engine cover. I come from the motorcycle world, so I've never heard of a heat sink before. Any idea on the price or part number?
realoem diagram:

Heat sink: 11617584527 $200

Heast sink gaskets:11617584528 you need 2 2x50=$100

depending on the manifold condition,you may need to chnage these gaskets at the connection of manifold to engine:11617547242
I didnt because mine looked okay, and its just air

Honestly I would get 11617559523 the regular disa manifold and buy an air intake upgrade for the $300 of extra cost, or even a tune from AA, Eruocharged,OE tuning etc

Any idea where the hp disparity between the #25 engines and the #23 ones lies? I'd hate to do the entire swap only to end up with just +10hp.
128i stock is ##24 manifold = 230hp
most cars with disa manfifold #23 = 255-265hp stock power ( true for MSV80 ecu/dme found in 2008+ cars)
##25 manifold is same engine, choked by software to offer low tq increase & less hp ( just look up any review on 2011 3.0 X3 with n52 vs the 2009-2010 3.0 X3
128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff

"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

Last edited by andrey_gta; 01-22-2013 at 10:18 AM.