Mamba GT2554R

Twin Turbocharger 9-6 GT2554R .42 BMW E28 5-Series Alpina B10 BiTurbocharger.

Part number

002-6715-2

Product

MAMBA 9-6 GT2554R .42 BMW E28 5-Series Alpina B10 Biturbo

Twin Turbocharger

Application

BMW E28 5-Series Alpina B10 Biturbo

Support 360~560HP

Max boost: 3.4Bar / recommend 1.5~1.8bar for daily street car.

Specifications

Compressor wheel: 42.0/54.3/60T

Turbine wheel: 42.0/53.0/62T

Compressor housing inlet OD: 2.4" (61.0mm)

Compressor housing outlet OD: 2" (50.8mm)

Compressor housing A/R: .42

Turbine housing A/R: .42

Bearing

Ceramic dual ball bearing

Inconel cage

Cooling

Oil & water-cooled

Actuator

0.8bar spring is pre-installed on the adjustable actuator

Additional 1.2bar and 1.5bar spring go with box.

Kit includes

2 x MAMBA 2.4" GT2554R ball bearing turbocharger

2 x 4AN to 7/16-24 oil feed adapter fitting kit

2 x 4AN to 7/16-24 oil feed banjo bolt kit

2 x 6AN to M14x1.5 coolant adapter fitting kit

2 x 6AN to M14x1.5 coolant banjo bolt kit

2 x 10AN oil return flange kit

2 x T25 Turbine inlet gasket

2 x 5-Bolt turbine outlet gasket

18 x M8x1.25 stud kit

Before ordering

Confirm this exact turbo configuration with your installer. Universal applications can require fabrication, supporting parts and tuning. Any stated power figure is a supplier rating; actual results depend on the complete build.

Supplier availability is confirmed separately before fulfillment. Contact Shift Culture Performance for fitment or installation support.