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AEM_NS
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Joined: 06/06/2014 - 09:31
Infinity VW 1.8T PnP Info

The 30-3903 Infinity adapter harnesses was designed specifically for use on 2002-2005 VW MKIV 1.8T Golf/Jetta/GTI manual transmission vehicles with AWP engine code.  We are aware that the AWP application falls under the general "Bosch Motronic ME 7.5" family of ECUs however the 3903 adapter has only been verified to fit and work on the AWP application.  The 3903 may be usable on other ME 7.5 applications but AEM has not tested or verified any other applications besides the AWP app.  Attempting to use the 3903 adapter harness on any other app besides the AWP app is doing so at your own risk and should only be considered after due diligence is given in verifying the ECU pin out of any other unsupported application.

AEM_NS
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Last seen: 1 year 2 months ago
Joined: 06/06/2014 - 09:31
The provided base session for

The provided base session for the 1.8T app was developed on a mostly stock 2003 GTI.  The only modifications were an AEM CAI, 3" downpipe and ID1000 injectors.  Attached is a session from a more heavily modified engine with the following mods:

  • Fabricated large plenum intake manifold
  • 70mm throttle body
  • Large front mount intercooler
  • GT2871 turbo with aftermarket cast exhaust manifold and 3" exhaust
  • Genesis II 630cc fuel injectors

VW 1.8T BT Base Session

richard.bradley...
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Last seen: 3 years 3 months ago
Joined: 09/08/2015 - 19:32
Can you post the 1.8T Base

Can you post the 1.8T Base Calibration file in this thread for future reference?