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This 800-HP BMW M3 Upgrade Costs As Much As Whole M240i
G-Power has achieved the numbers above by heavily upgrading the M3 Touring S58B30's OEM turbochargers, which now feature ...
4 Of BMW's Iconic Inline Six Engines, Ranked By Horsepower
BMW's inline-six engines are loved among fans and have been around since the company's start, but only a select few can take the mantle as the most powerful.