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I got the BMW performance upgrade (the 40hp tune) but the Dinan one will for sure be much more aggressive. I would even consider getting Exhaust as well.. and then having a shop fab me some HFC Downpipes. I know I can make this engine produce as much HP/TQ as the X6m.
As much as I hate to consider it... Singh autosports is the only company that has a tune for the car and is willing to work with anyone in the country... He is just the shadiest dude around. I don't feel comfortable shipping my ECU out to Cali to have it bench flashed.
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