i know the S63Tu is an improvement over the X5/6M S63 but that's pretty impressive.
Yes i realize the AWD affects additional drive-train loss .
now i want the m5 headers
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Huracán Performante 18- Novitec Springs | RR SVR 19 | G05 X5 M50i | E70 11 X5M retired |
Jerez Black E92 10 m3 RE SSK | AFE Filter | Fabspeed XFC / Xpipe | AA ECU 1.5v | BMW PSW | Envy Charger | Megan Exhaust
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