[INDUSTRY LEADER] - As an original equipment global leader in mass air flow technology, all Bosch Mass Air Flow (MAF) sensors ensure low levels of harmful emissions with greater fuel efficiency and improved engine performance [OPTIMAL PERFORMANCE] - OE technology provides the correct function and calibration to ensure trouble-free operation and emission compliance while providing up to 20 percent better fuel consumption [SUPERIOR DESIGN] - Bosch OE MAF sensors feature a patented design that increases robustness against water and particulate damage, reduces sensor drift, and lowers pressure drop [PRECISION CALIBRATION] - 100% new sensor and housing are calibrated and sold together (select part numbers only - housing will be shown in photos if included), ensuring precise sensor readings and optimal engine performance [TROUBLE FREE INSTALLATION] - OE identical connector ports and attachment points ensure an exact fit and a trouble free installation process Compatible with select vehicles (Note: engine affects fitment - verify specific vehicle fitment details with fit checker above): BMW: 2006-13 550i, 2010-13 550i GT, 2010-13 550i GT xDrive, 2011-13 550i xDrive, 2006-10,2012-13 650i Compatible with (continued): BMW: 2013 650i Gran Coupe, 2012-13 650i xDrive, 2013 650i xDrive Gran Coupe, 2006-12 750i, 2010-12 750i xDrive, 2006-12 750Li, 2010-12 750Li xDrive, 2011-13 X5, 2008-14 X6, 2011-15 Alpina B7 Compatible with (continued): BMW: 2011-15 Alpina B7 xDrive, 2011-15 Alpina B7L, 2011-15 Alpina B7L xDrive