The Turbo Tuner is a plug-and-play solution that significantly enhances performance of the BMW twin turbo models, such as the 335i, 335xi, 535i, 535xi and now the new 135i BMW 1 series. Typical gains are a whopping 40 horsepower and 50 ft-lbs of torque (!!!). This is a night and day difference, and the improvement in acceleration is remarkable. This module plugs (and unplugs) into your BMW's wiring harness with no cutting or splicing. It can be installed (or uninstalled) in a matter of minutes, even by your average BMW owner. No special tools or expertise required, and full instructions and support are provided. Since this is a removable upgrade, you could remove this prior to selling the car to re-use on your future twin-Turbo BMW. There is simply no easier and less expensive way to make such drastic horsepower and torque gains on a BMW, period.
The Turbo Tuner has now been installed in thousands of BMWs successfully, all with rave reviews. It does not cause any trouble codes or check engine lights. We have yet to hear of any detriment in long term engine reliability due to this boost enhancement module. It's circuitry features a soft limit circuit that avoids overboost which protects the engine from boost spikes and preserves drivability. There is also a temperature compensation protection circuit that lowers boost at elevated under-hood temperatures.
The Turbo Tuner is not an ECU re-flash solution or engine "chip", like found on older model BMWs. It is a "plug and play" module with embedded control circuity that works seamlessly with the stock ECU. The turbo tuner provides real performance gains while preserving the smooth and refined character of the car. As this device has not been tested for federal emissions guidelines, it is sold as an OFF ROAD DEVICE ONLY, not approved or intended for use on public roads or highways.
Fitment: 2007-up (E60 E82 E88 E90 E92 E93) 135i, 335i, 335xi, 535i, 535xi
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