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BMW X6 4.4 V8 Bi-turbo EngineThis is a discussion on BMW X6 4.4 V8 Bi-turbo Engine within the X6 SAC forums, part of the BMW category; I have some pictures from the new bmw V8 bi turbo engine. But isnt it weird that the turbos are ... |
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![]() | BMW X6 4.4 V8 Bi-turbo Engine I have some pictures from the new bmw V8 bi turbo engine. But isnt it weird that the turbos are on the top like a supercharger. Is this type of turbocharging ever been installed on an other car before? ![]() |
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine here is a quote from the BMW pressrelease on the X6: "For this is the first eight-cylinder gasoline engine in the world to feature its turbocharger in the V-section between the two rows of cylinders."
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine I wonder why they opted for that position,and that postion will require some extra room betwwen the engine and the hood,will we see a hood bulge in models equipped with that engine? |
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![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine No I don't think so. The engine will sit low enough for a normal hood.
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine Hmph. How 'bout that...
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine Very very interesting indeed. I suppose the engine bay doesn't have enough space to fit in the turbo and intercooler package in the normal layout. When I saw the photos of the turbo engine, I thought "it looks a bit strange to have the intercoolers placed this high" It never came to my mind that the turbo might be located on top fo the engine. Because everything is so tightly packed together, there won't be as much "head loss" because the pipes are shorter, so the engine will be more efficient. Just a guess.
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine The key area of innovation for me is the swapping around of the inlet and exhaust ports. This is very unique, I can't ever recall a V-configuration engine where the exhaust manifolds are located centrally with the inlet systems being located on the outside of the cylinder banks - regardless of forced induction or not. I'd like to understand the heat soak implications from locating to turbos so closely together. In fact, despite its unique configuration, I don't can't see any logical reason to locate the induction and exhaust systems in such a fashion other than for reasons of engine bay packaging. All I can say is, after a hard drive, don't go touching the hood. Sidenote; I think the xDrive50i and xDrive35i nomenclature is stunningly daft.
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine Quote:
I guess placing the turbos on top will get more cool air flow than placing it packed within the engine bay. This might resolve the heat soak issue.
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine BMW explanation: Quote:
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![]() ![]() ![]() ![]() ![]() | Re: BMW X6 4.4 V8 Bi-turbo Engine ^^ marketing speech |
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