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Yeah, my bad. Just swap the front cover over from S4 cover to the S5 cover so you can use the S5 OMP. And like he said....the series four TPS can't be used with series five ECU/OMP. Gotta change the throttle body to series five to use the series five TPS. Series five TPS won't bolt to the series four throttle body.
Stk series four turbo will work but the twin scroll actuator won't be functional 'cause the series four ECU is what causes the vacuum to come and go on the twin scroll actuator via a solenoid. But no matter. If the twin scroll actuator sees no vacuum, the twin scroll mechanism (flap) goes wide open........meaning the turbo will spin up a touch slower/later.
If you have a series five turbo......put it on the series four engine.
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