750i, 550i & X6 xDrive50i N63 Computer Upgrade
|
Computer Upgrade Gains 50 HP & 60 lb-ft TQ Engine management computer upgrade for your N63 4.4L twin turbo V8-powered BMW. Applications include: • 2008+ X6 xDrive50i • 2009+ 750i / 750Li Sedan • 2010 550i Sedan Note: This mail order upgrade requires removal and shipping of engine control module (ECM) to our facility in order for the upgrade to be performed. Please contact our sales staff at (979) 885-1300 or at sales@hennesseyperformance.com for more information. |
|
|
