Quote:
Originally Posted by mcbeee
It only shows Dinan Stage I, Stage II requires the oil cooler and gives 78 HP and 125 ftlb's of torque. The Dinan also has "Warranty" equal to BMW, free updates and it doesn't matter if BMW finds it because they install it.
Note: All the e89's with a sport package should have the oil cooler already installed.
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+1
I always wonder about those charts. One issue Dinan has with typical dyno testing is a lack of air movement through the front end. Most dyno shops have a small fan that cannot approximate the air movement at 70+ mph, and therefore the engine cuts horsepower.