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Old 01-29-2013, 07:16 AM
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boramkiv boramkiv is offline
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Location: Chesapeake, VA
Join Date: Jan 2011
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Mein Auto: Some Bavarian car outside
Originally Posted by Oceans10 View Post
Same exact engine in the 535, but it does weigh a little more. This will slow down launches compared to the 1 and 3 series.
What's nice about the twin scroll single turbo is that power keeps building right up to redline, similar to an M5 but more powerful. It sounds like a friggin jet engine taking off. There are clips on Youtube.

RB turbos are cheaper and based on the stock assemblies. You trade in your existing and they send you the larger ones. They add about 100 hp. Fully modded with tune, downpipes, FMIC, meth etc, that's how you see 500 hp to the wheels. Add around 20% to get BHP at the crank. Cost is $3,200 plus another grand for installation.
I heard the single is more expensive but haven't seen numbers. I have plenty power for my needs.
This is the video that got me:

If the drivetrain holds up to that kind of abuse launch after launch, its a winner.
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