BMW X5 and X6 Forum (F15/F16) - View Single Post - Looking to purchase pre-owned 2015/16 X5

M302_imola · 09-25-2018, 10:44 AM

I'm sure the 50i is a beast in terms of performance but couldn't you slap a piggyback ECU on a 35i and be close to stock 50i performance? This being said, I haven't driven a 50i.

09-25-2018, 10:44 AM	#15
M302_imola Major 843 Rep 1,497 Posts Drives: '15 X5 35i Xdrive Mineral Whit Join Date: May 2018 Location: Tennessee iTrader: (1)	I'm sure the 50i is a beast in terms of performance but couldn't you slap a piggyback ECU on a 35i and be close to stock 50i performance? This being said, I haven't driven a 50i.
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