Efficient energy conversion: Advanced magnetic circuit design ensures efficient conversion from the low-voltage current of the battery to the high-voltage current required for the spark plug, improving ignition performance and combustion efficiency. materials: The use of high-quality insulation materials and high-temperature components to enhance the stability and life of the ignition coil, adapt to a variety of harsh working environments. Exact match: Exact match to specifications ensures seamless installation and superior performance, providing the same reliability and driving experience as the for-original. Name:Ignition Coil Part Number:12137594937 0221504470 Suitable vehicle: Including but not limited to the following models: For 130i five-door (E87 2008-2011)() 3.0L engine model: N52B30BF, time: 200801-201112 325i three-car (E90 2004-2008)() 2.5L engine model: N52B25A, time: 200407-200812 530Li (F18 2010-2013) 3.0L engine model: N52B30A, time: 201008-201309 M3 Convertible (E46 1996-2006)() 3.2L Engine model: 326S4, time: 199601-200612 650i xDrive Convertible (F12 2015-2018)() 4.0T engine Model: N63B40A, time: 201511- GT550i xDrive(F07 2013-2017)() 4.0T engine Model: N63B40A, time: 201308- GT550i(F07 2009-2013)() 4.4T engine model: N63B44A, time: 200901-201312 M5 Hatchback (F90 2017-)() 4.4T engine model: S63B44B, Time: 201706- X5 M(F85 2014-2018) () 4.4T engine model: S63B44B, Time: 201410- X6 ActiveHybrid (E72 2009-2012)() 4.4T-hybrid engine model: N63B44A, time: 200901-201212 Please carefully check your vehicle model and year of production before purchasing to that this ignition coil is a perfect match. Colour:Black Material:Metal Package Contents: 1 * Ignition Coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.