Boosted Performance V 2.0

MoulaZ · 06-02-2014, 11:54 AM

Also yes, BMW went from a twin Single-Scroll to a single Twin-Scroll setup from N54 to N55 in '09.

Technically as far as the engine is concerned, nothing changed. The exhaust of the Inline 6 engine was still split into 2 channels, 3 Cylinders each, and fed to a separate Scrolls, instead of separate Turbos.

I suppose this could have been for simplicity, or weight saving, or space saving reasons?

This is a diagram of the N54:

You can see what I mean where the Cylinders are split. Important to note though, the diagram is not 100% accurate. They show Cylinder 1-3 going to one Turbo & Cylinder 4-6 going to the other. I don't believe this is actually correct, it was merely for the diagram's sake.

Cheers,
Emile

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06-02-2014, 11:54 AM	#1 (permalink)
MoulaZ Base Member Join Date: Jun 2013 Location: Sydney, Australia Posts: 230 Drives: '09 Z34 BP Turbo V2 Rep Power: 25	Also yes, BMW went from a twin Single-Scroll to a single Twin-Scroll setup from N54 to N55 in '09. Technically as far as the engine is concerned, nothing changed. The exhaust of the Inline 6 engine was still split into 2 channels, 3 Cylinders each, and fed to a separate Scrolls, instead of separate Turbos. I suppose this could have been for simplicity, or weight saving, or space saving reasons? This is a diagram of the N54: You can see what I mean where the Cylinders are split. Important to note though, the diagram is not 100% accurate. They show Cylinder 1-3 going to one Turbo & Cylinder 4-6 going to the other. I don't believe this is actually correct, it was merely for the diagram's sake. Cheers, Emile