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      12-06-2013, 08:49 AM   #779
SH325M
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Drives: 2009 325iM
Join Date: Nov 2013
Location: China

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Quote:
Originally Posted by yupetc View Post
Just did my IM swap:

My car: 2009 328i N52 Engine
Source of IM: 2006 Z4 from LKQ through car-parts.com for $158 shipped.
Additional Purchases: 6 ring of intake manifold gaskets and a throttle body gasket about $30
Labor: 1 hour research and read-through the DIY here + 2 hours of actual replacement time. This is a direct plug-n-play for my car, no problems with oil return line piping whatsoever, gotta love German Engineering.
Result: Feels normal on the low end, couldn't tell much gain or loss at midrange, but high end rpms can definitely feel the difference, with the non-variable intake, power would plummet after 6k revs, with 3-stage, did feel power all the way till 7k.


For under 200 bucks and 3 hours of work, it's definitely worth it.
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Sounds impossible to not doing this mod!

I have a 2009 E90 LCI N52 engine and when I check my IM components, My car has the 1167559525 manifold so I can change to the 3 stage manifold. The actuator also listed in the part list from realoem so does it mean I can re-use the actuator or my car actually does not have them so I need to order them to complete the shopping list?