ECU Tuning for N20 Engines

We offer a variety of tuning and performance package solutions for the four cylinder turbo engine found in many current BMW models, including the 2-series, 3-series and many more.

Precision tuned for more power and better drive-ability.
Max HP gain up to = 56+ hp
Max Trq gain up to = 82+ ft-lbs
Price: $799.95

Decades of tuning for the street and track has helped us understand what’s important to the BMW tuning community – highly effective, reliable, consistent performance tuning that heightens the BMW driving experience. In order to build on this success, our calibrator dedicated months of testing, tuning, and re-testing our 2013 F30 328i on our in-house Mustang dyno to ensure we were delivering a tune that is compatible with bone-stock cars, while also offering the ability to capitalize on the additional engine power to be found through common modifications to exhaust, intake, and inter-cooling.

What modifications do I need?
We’re able to tune for a variety of popular modifications, and have structured our offering into three experiences:

Stage 1 – Great for stock cars, or those with intake and/or exhaust upgrades such as a cat-back exhaust. We experienced max gains of +39 horsepower, +62 ft/lbs torque on an otherwise stock car, and with an intake and cat-back exhaust, this increased to +45 horsepower and +66 ft/lbs torque.

Stage 2 – For cars configured similarly to Stage 1, but with additional resistance to heat with the addition of an intercooler. We experienced similar max gains to Stage 1, with improved top-end power output. More importantly, with an intercooler, were able to keep temperatures lower for longer versus without, especially important for cars driven hard, in hot weather, or anyone looking for more consistent power delivery.

Stage 3 – Designed for cars with intake, intercooler, high-flow downpipe, and a high-flow muffler or cat-back exhaust. Our 328i saw max gains of +56 horsepower, +82 ft/lbs torque with an Injen Evolution intake, Turner Motorsport Stepped Intercooler, Wagner downpipe, and Supersprint muffler.

Our N20 tunes also remove the factory speed limiter. All three stages are designed to accommodate either 91 or 93 octane fuel – your car will compensate for lower octane and make slightly less power, with full power seen with 93 octane. Install more go-fast parts in the future? Give us a call – we can offer upgraded tune files to existing customers for a nominal charge. Starting from scratch and looking to upgrade as a single package? Click here.

What are people saying?
Following shop, road, and track testing, a team of local N20 owners ran their variety of cars through the gamut of hard street miles. Here’s some of the unsolicited feedback we received:

“Car feels like it has “woken up”. Throttle response is greatly improved, and acceleration is more instantaneous in passing situations. You no longer feel like you have to bury the pedal to get the car moving. Early articles on the F30 N20 often referred to it as a “momentum” car on the track with the need to keep speed up. I think the tune goes a long way to correct/improve on this.”

Yet another tester removed a popular piggyback module to instead test our tune, and was also pleased:

“I have a P3 OBD2 gauge, and have messed around with it a little bit, so I figured I would include some of those numbers I noticed in my short test tonight too. I have always been a little skeptical of the 0-60 time accuracy, but at least with conditions being somewhat similar it gives an idea of the difference in raw numbers. My 0-60 time with launch control was about 5.3/5.4 seconds, whereas it was closer to 5.6/5.7 with the [competitor] in Race under similar conditions.”

Even today’s modern piggyback tuner options can’t equal the driveability and smoothness of our ECU flash – as testers began to pass miles in the drivers seat, we received feedback from more than a few that were impressed with not just the impressive power increases, but as well the smoothness of the tune and significantly reduced turbo lag. We were also pleased to discover our shop car, tuned to Stage 3, still successfully set all emissions readiness flags and was ready for emissions testing.

How do I get my tune?
Easy, schedule an appointment, visit our shop and leave the rest up to us. No wiring changes, no irreversible modifications, no need to even open the hood.

What else do I need to know?
Maintenance. The key to building a high performance machine is regular maintenance and upkeep. We’ve found regular ignition system service to be of significant importance – replace your spark plugs at 25,000 mile intervals for best results, and replace your ignition coils with every other spark plug replacement. Gap plugs to .020″ for best results.

Dealer service. After tuning, there’s the possibility your local dealer may over-write your tune if they update your engine’s software. This simply requires reloading of the Turner tune after your service visit. We find many dealers to be accommodating of our software – simply letting your service adviser know your car has been tuned is often enough to avoid an unnecessary software update.

BMW warranty. Generally speaking, a car manufacturer cannot legally void your warranty for adding non-stock equipment – read more here.

This item fits the following BMWs:
2012-2016 F10 BMW 528i 528i xDrive
2014-2016 F22 BMW 228i 228i xDrive – Coupe
2014-2016 F23 BMW 228i 228i xDrive – Convertible
2012-2016 F30 BMW 320i 320i xDrive 328i 328i xDrive – Sedan
2014-2016 F31 BMW 328i xDrive – Touring
2014-2016 F32 BMW 428i 428i xDrive – Coupe
2014-2016 F33 BMW 428i 428i xDrive – Convertible
2014-2015 F34 BMW 328i xDrive GT – Gran Turismo
2014-2015 F36 BMW 428i – Gran Coupe
2011-2017 F25 BMW X3 xDrive28i X3 sDrive28i
2011-2017 F26 BMW X4 xDrive28i