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Great write up for the X6//M !!!
Hope you will provide the same in depth detail for the N55
Do you think that upgrading the N54 with a single twinscroll turbo (maybe with the OEM N55 one) and refining the DME software, the N54 coud perform as good as the N55?
I don't care about MPG and emissions, only turbo lag, torque and HP are interesting...
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