SteamSpeed Wastegate Pro & IWG75 6 Spring Set stage 3 The SteamSpeed 4-port Electronic Boost

The SteamSpeed 4-port Electronic Boost Controller ups the ante again

The SteamSpeed STX 76R Ball Bearing Turbo for BMW N55 PWG is a complete turbo upgrade for your BMW featuring a dual ceramic ball bearing cartridge and a custom GTX3076R sized compressor and turbine wheels

and how fun your car is to drive

manifold stud

The STX 67+ is a 49 lbs/min turbo based off of the Garrett GTX2867R compressor specs in a stock-location bolt-on package

SteamSpeed Wastegate Pro & IWG75 6 Spring Set stage 3 The SteamSpeed 4-port Electronic BoostThis spring set provides 6 different springs of different sizes and preloads to mix and match to dial in exact preloads. These are for use with any of the SteamSpeed Wastegate Pro actuators and all TurboSmart IWG75 actuators. These actuators have a ring that screws on to hold the two halves of the actuator together. They look like this: If your actuator has cap screws hold the two sides together instead of a ring, then you have the standard actuator