Elaborazione BMW step2 cod 851676 GOLD
Elaborazione BMW step2 cod 851676 GOLD
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Upgraded Turbine
manufactured with CNC lathes and machining centers
All our processing is carried out on a CNC lathe to ensure maximum precision and quality.
Balancing bench
The turbo balancing bench represents the best technology to ensure perfect turbine functionality according to the OEM parameters provided by the manufacturer.
Dynamic flow bench
Our technicians use CIMAT balancing and flow benches that ensure perfect turbocharger functionality.
Our dynamic test bench, in addition to geometry adjustment as in common static test benches, allows for the measurement (and adjustment) of numerous additional parameters that can cause – if poorly adjusted – failures and malfunctions in overhauled turbines.
Adjustments are made based on a database with over 1000 continuously updated turbo codes based on values provided by the turbocharger manufacturer.
The bench uses patented TurboTest technology and features the Rotortest 610 measurement system, whose values are displayed on a touch-screen monitor through which the operator can print the balancing and flow certificates that accompany our turbines.
The dynamic test bench allows for:
| Electronic and pneumatic actuator adjustment |  |
|---|---|
| Verification of turbine side flow dispersion | |
| Verification of correct coupling between turbine impeller, geometry, and turbine housing | |
| Verification of correct coupling between compressor impeller and compressor housing | |
| Verification of correct impeller dimensions | |
| Verification of compressor side compression ratio | |
| Verification of whistling noise | |
| Verification of oil loss under pressure gradient conditions similar to operating conditions | |
| Verification of compressor side compression ratio | |
IMPORTANT
The installation of an upgraded turbo must be performed by industry specialists equipped with professional tools.
To achieve the indicated horsepower gain, it is necessary to modify other vehicle components, such as the injection control unit, pump, injectors, intercooler, exhaust system (and, if necessary, methanol).
N.B.
Before purchase, approximate measurements are provided to the customer to choose the type of processing. Technical details and exact component measurements will be provided to the customer after purchase.
Turbo Processing
BMW Step 2
Turbo codes:
8631904 851676
For
BMW
This turbo is not approved for road use but is intended for sports use. The values indicated in the following steps refer to the maximum power delivered on test benches. For the car to reach these values, it is necessary to modify the injection, intercooler, exhaust system, and mapping.
Updated and CNC-machined intake housing to accommodate a larger impeller
Enlarged compressor impeller in Avional 
with ceramic treatment to withstand temperatures up to 1800° F
All components are individually balanced
The coreassy is balanced on a CIMAT VSR bench
The assembled turbo is tested on a CIMAT TurboTest flow bench for minimum flow and geometry adjustment (where present) at all rotation speeds with a graph showing the increase compared to the original
Turbo supplied with balancing document
The turbo must be installed by industry professionals
Certified Quality
Balancing test according to models performed up to 300,000 rpm.
Dynamic flow test and performance check.
Customization
Possibility of custom colorization for the intake housing with high-temperature paints.
The alloy is mainly composed of Copper with additions of magnesium and manganese, and its particular processing ensures that all normally present oxidation defects are eliminated.
Subsequent heat treatment gives Avional physical characteristics comparable to carbon steels.
MFS Avional impellers are manufactured on 5-axis CNC machining centers that achieve high speeds to create aerodynamic blades that offer much higher performance than traditional ones and do not use molds, which over time, instead, produce impellers with increasing tolerances compared to the design.
These technological solutions offer the best solution to the engineering specifications required by a modern high-performance turbocharger.
