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  1. #1
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    2013 BMW Gran Coupe 650i to receive revised N63 twin turbo V8 with 450 horsepower, 50 more than standard N63/650i

    The BMW 6 series Gran Coupe 650i will have 450 horsepower and 479 pound-feet of torque. This is 50 more horses than the standard 650i coupe. The N63 V8 was revised for duty in the heavier Gran Coupe but we do not know what changes were made. It will be interesting to see if it is software only or if there are hardware changes which no doubt many 650i, 550i, X5 xDrive50i, and X6 xDrive50i owners will be interested in retrofitting.

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    Iirc this version has valvetronic and more boost.

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    Click here to enlarge Originally Posted by Jimefam Click here to enlarge
    Iirc this version has valvetronic and more boost.
    More boost makes sense, source on valvetronic?

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    1 out of 1 members liked this post. Yes Reputation No

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    There it is, valvetronic and more boost it is. I was hoping for bigger turbos, oh well.

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    That picture tells me the N63 owners have a harder time than most to change sparkplugs, what's up with the bend just before the plug, must be a pita to get to.

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    BMW is going to over-price the hell out of this car. It will be comical.


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    Click here to enlarge Originally Posted by M3_WC Click here to enlarge
    BMW is going to over-price the hell out of this car. It will be comical.
    The 6 series is pretty damn overpriced to begin with.

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    Is this picture supposed to be of the N63? I think this is the S63.

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    Click here to enlarge Originally Posted by Jimefam Click here to enlarge
    Is this picture supposed to be of the N63? I think this is the S63.
    It's an N63.

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    This engine will make big power.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It's an N63.
    Well then it's using a different exhaust manifold from what is on older N63's this has the S63 manifold.

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    Click here to enlarge Originally Posted by Jimefam Click here to enlarge
    Well then it's using a different exhaust manifold from what is on older N63's this has the S63 manifold.
    Ya I think so, it was labeled incorrectly in Google images, oh well.

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    Click here to enlarge Originally Posted by xbox_fan Click here to enlarge
    That picture tells me the N63 owners have a harder time than most to change sparkplugs, what's up with the bend just before the plug, must be a pita to get to.
    N54s are actually the same way...

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