Alpha Performance Mercedes Benz 5.5L Biturbo Primary Heat Exchanger Upgrade

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Alpha Performance Mercedes-Benz 5.5L BiTurbo Primary Heat Exchanger Upgrade

The 5.5L BiTurbo engine does not use the typical intercooler you may be used to.  Like many modern turbocharged European vehicles this V-8 twin turbo engine uses coolant to cool the intake air charge through an air to water heat exchanger.  While this method works well it can quickly become heat soaked, robbing horsepower.

Eliminate A Big, Power Robbing Restriction

We found through testing, the factory Mercedes-Benz center heat exchanger was very flow restrictive on the water side. This was hurting the heat rejection of the water side of the intercooler – causing less efficiency and choking up the power output of your M157 engine.

Motorsport Quality Upgrade For Your Boosted Benz

For the core, we chose a motorsport quality heat exchanger core.  This high efficiency, dual pass core is much larger, featuring an additional 19 tubes (61 vs 42 stock) dissipating heat quickly for maximum cooling.  Through a larger design, added fluid capacity and drastically increased flow, your 5.5L BiTurbo engine benefits from reduced intake air temperatures (IAT) boosting power output.