Monday, August 28, 2017

Engine Performance Software

Like many BMW diesel owners, part of the appeal of the diesel engine to us was the mod-ability.  The engine responds really well to new, aftermarket software.  And, the risk, while BMW will tell you is quite high, seems low to me.  The piggyback chips are very hard, if not impossible for them to track down.  They are totally reverseable.  And, the US-spec 3.0 motor has many of the same internals as the higher output rest of world 6-cylinder diesels.  We waited for 20K miles before adding ours, after the car was trouble-free up to that point.  As always, feel free to do it your way.

Either way, we went with a Racechip Ultimate.  New performance is stated at 322 hp and 508 ft-lbs of torque.  The gains are obvious, immediate, and performance feels like a 5.0i gas engine.  You install the Racechip into a circuit on the fuel rail by unhooking only one connection, at the front of the engine.  Only takes a few minutes to install.  I mounted ours on the forward part of the driver's fender as shown.  I used industrial velcro and also tie wraps as backup.

Racechip Ultimate for F15 N57 35d,  $599.00r
Total investment in vehicle to date = $5401.28



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