Intercooling the legendary BMW 4.4!

We were up to the challenge after stripping it clean of it's "custom" modifications and getting it back to stock.  We started over with some help from ESS Tuning supplying us with fresh new s/c kit parts that had been destroyed from the previous attempt. Then some time was spent with several different designs ideas for how to engineer such a setup in such a confined space.  We chose an integrated  water to air system utilizing a very large heat exchanger and powerful pump, thus ensuring that our space confined intercooler which had to be relatively small would always have a fresh supply of chilled water. This also meant no off the shelf parts were going to do the job.  Yep it all had to be fabricated from scratch. A true water to air intercooler core was ordered as was a heat exchanger.  Nex, some templates where mocked up and eventually CAD drawings of the end tanks and brackets where ready for the water jet.  A bit of welding and some carefully selected premolded coolant hose and presto!

The result was pure success!! Dropping air intake temperatures over 35° @102 degrees ambient temperatures!  This allowed us to raise the boost to over 8 PSI and achieve over 435 crank horsepower. While we do not offer this in a kit, we have made all the patterns to custom install a similar system for any one with a 4.4 L BMW that has had any of the similar supercharger kits installed and is looking to add a intercooler system! For more information on this build or to inquire about having Goodspeed build your 4.4l supercharged vehicle intecooled, give us a call.