Drivetrain (Cooper S) MINI Cooper S (R56) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain R56 Wastegate open

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Old 01-10-2009, 11:15 AM
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R56 Wastegate open

Is the R56 wastegate suppose to be open a little?
 
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Old 01-10-2009, 01:30 PM
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Absolutely, and not whatsoever; "It depends". What's your question?
 
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Old 01-10-2009, 01:34 PM
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When my mechanic took off my downpipe he was looking at the wastegate and it was open, he said he has never seen a wastegate open like that but he said it might be different on the Mini. He said most Turbo wastegates are closed. Any idea?
 
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Old 01-10-2009, 01:38 PM
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Find a new mechanic that knows current BMW operation. He is traditionally correct, most off-the-shelf aftermarket turbochargers use default-closed wastegates with calibrated springs to open at a certain boost pressure, however this has limited control even with an EBC.

BMW chooses to operate their turbo engines with a default wastegate-open situation, and a vacuum pump is computer controlled and pulls the wastegate shut depending on operating conditions and driver input. It will only pull the wastegate shut when enough torque is requested the engine operates with boost.

I hope that helps,
Ryan
 
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Old 01-10-2009, 02:17 PM
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Thanks Ryan!!
 
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Old 01-14-2009, 11:37 AM
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Do i suppose to modify the wastegate?

just wondering because there are a lot of choices outthere, i.e. HKS & Greedy
 
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Old 01-14-2009, 02:20 PM
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Originally Posted by MrB
Do i suppose to modify the wastegate?

just wondering because there are a lot of choices outthere, i.e. HKS & Greedy
only if you think HKS and Greedy know more about the MINI than BMW does..


in others words - don't do it.
 
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Old 01-14-2009, 02:26 PM
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Originally Posted by MrB
Do i suppose to modify the wastegate?
What's your intention?
 
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