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stepper motors (bi and unipolar)
•Operating voltage range: 9 -16V
while our catch cans trap the blow-by and keep it out of the engine permanently
0 TFSI 2012 - 2020
TTE BMW N55 Turbocharger Upgrade TTE550 Pneumatic Wastegate (135i & 335i) Condition:New stepper motors (bi and unipolar)Description The TTE550 for the N55 motor. Still keeping the original turbocharger the compressor wheel is exchanged for a TTE milled aluminum wheel with state of the art geometry, 7+7 blade so producing extra power. Equally, we change the original exhaust turbine for a far larger but very lightweight 9 blade TTE designed the turbine for lower exhaust gas back pressure giving greater performance, yet still giving a good spool response. We also fitted a