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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 10-03-2013, 05:11 PM   #1
bjzwart
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Join Date: Jul 2010
Location: The Netherlands
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My Ride: 330cD
DIY big FMIC for 330cd (with pictures)

After several years of being a passive reader on this forum, it´s time to share one of my latest upgrades for my 330cd. With all commercial available ´upgraded´ intercoolers having the need to get rid of the brake cool ducts and plastic air guidance for the radiator, I set about designing my own. I bought a second hand intercooler from a BMW 535D, which is at least twice the thickness of the original 330d intercooler. I cut off the ends of the new intercooler and with alloy plate folded new end pieces. Then with some general available alloy tubes, I made connections for the new intercooler. A local company welded everything together for 25 Euros.

It ended up looking like this:


With sides:



Building it in the car actually was very straightforward! I only needed to cut away a very small part from the plastic airduct:

The standard hoses still are used, the only change done to them is to remove the metal fixture elements at the intercooler end.

I must say that I allready had removed the mechanical fan and transferred the electrical one that is in the front to the back; have had no issues of overheating at all!

In the end, this is the result:

And from the front of the car:


In total, it cost me 125 euros...

Oh, by the way...
comparison of the original vs new FMIC:


While driving, of course on a standard map, it doesn´t do that much. I do notice the turbo spools up a little quicker and being more responsive though.
There are next steps planned, of which I will post new threads.

Last edited by bjzwart; 10-03-2013 at 05:15 PM.
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Old 10-04-2013, 10:49 PM   #2
TnT817
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Only if they were available in the states
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Old 10-04-2013, 11:49 PM   #3
///M Protocol
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those are some beautiful/perfect welds
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Old 10-04-2013, 11:59 PM   #4
Marshmallow
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DIY big FMIC for 330cd (with pictures)

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Originally Posted by TnT817 View Post
Only if they were available in the states
Really wish I could have one too!
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Old 10-05-2013, 11:00 AM   #5
bjzwart
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Join Date: Jul 2010
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My Ride: 330cD
DIY big FMIC for 330cd (with pictures)

You might use the same idea for any supercharger or turbo upgrade on a petrol engined car. Then you can have one in the States;-)



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Old 10-05-2013, 11:51 AM   #6
Marshmallow
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^^ Not a bad idea.
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Old 10-06-2013, 05:40 PM   #7
TnT817
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But it'll still have spark plugs

I just REALLY like diesel engines!

Oh and nice tig work!
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