Hartge releases its software ECU piggyback tune for the BMW 6-cylinder turbo N55 engine. It yields impressive power gains of +56 horsepowers and +59 ft-lb torque! The tune can be applied to the F30 335i, F10 535i and F25 X3 xDrive35i.

The Hartge ‘Engine Conversion’ is a bespoke tuning module that plugs in ahead of the engine computer on the wiring harness. It has factory-style plugs to connect in-line with the water temp sensor, fuel rail pressure, turbo boost pressure sensors, turbo wastegate valve, intake camshaft sensor, 12V power and ground. The module then sends a modified signal to the engine computer allowing it to increase boost by varying amounts depending on load, engine speed, and other factors.

All of the factory safeguards remain … CONTINUED

Ward’s Auto has published its annual 10 Best Engines List and as always, some BMW engines make the list. Here are the award winning engines for 2012:

2.0L N20 Turbocharged DOHC I4 (F30 328i / Z4 sDrive28i / 528i / X1)
3.0L N55 Turbocharged DOHC I6 (F30 335i / E92 335i / 535i / 135i)
3.0L TFSI Supercharged DOHC V6 (Audi A6)
3.6L Pentastar DOHC V6 (Chrysler 300/Jeep Wrangler)
2.0L EcoBoost DOHC I4 (Ford Edge)
5.0L DOHC V8 (Ford Mustang Boss 302)
2.0L Turbocharged DOHC I4 (Buick Regal GS)
1.6L DOHC I4 (Hyundai Accent/Kia Soul)
2.0L Skyactiv DOHC I4 (Mazda3)
3.5L DOHC V6 HEV (Infiniti M35h)

Congrats to BMW! The N20 has received great acclaim and reviews, especially in the F30 328i reviews.

And the N55 … CONTINUED