STG3 Tuning Injector Scaling Model-M135i N55 F20 STG 2 Power increased to

STG 2 Power increased to 165BHP and 280Nm

In late 2003 when the E46 M3 CSL was released to the public exposing our ears to that addictive intake bark and intense zing all the way to the rev limiter it was an instant hit

Finished in Pro-Series Black

Making the most of the room behind the front bumper

STG3 Tuning Injector Scaling Model-M135i N55 F20 STG 2 Power increased toIf you're already STG3 tuned with us and you've just upgraded your injectors then this is the product to buy! We can either keep your tuning the same and scale your new injectors in, or if you'd like some changes let us know and we'll do it at the same time. All instructions are supplied via email after purchase!