[PRECAUTIONS PURCHASE]: Please use Amazon's Your Garage function and verify the fitment of the autopart by the year/make/model of your vehicle and the OE number of the replaceable part. [REPLACEMENT PART NUMBER]: UF592 C1638 00044 0221504470 12137594937 12137562744 12137571643 12138647689 12138616153 [OE STANDARD]: All of the HMJXF Ignition Coils are purpose-built for both original equipment and replacement applications. Each component undergoes meticulous craftsmanship to match and improve upon the OE design, ensuring effortless installation. These coils deliver exceptional performance and reliability, operating flawlessly in all conditions and across the entire engine speed range. They guarantee optimal spark performance for your engine. [RESOLVES COMMON IGNITION SYSTEM ISSUES]: HMJXF Ignition coils are effective in solving common problems such as backfiring, misfiring, stalling, engine shaking and rough idling. They also enhance power output for peak engine performance. Additionally, these coils monitor the check engine light for circuit faults and severe stalling. [BUY WITH CONFIDENCE]: HMJXF ignition coil comes complete with a One year warranty.If the coil ever fails on your car,simply contact us for a replacement. Save time and money by taking advantage of this warranty. Our ignition coils are a great value. They convert automotive voltage from 12 volts to over 25,000 volts. Helps ensure proper engine performance, maximize fuel economy, and minimize exhaust emissions and radio frequency interference. HMJXF ignition coil cores also help avoid spark plug failures, drivability complaints, pre-ignition and detonation, and solve common ignition system problems such as backfiring, misfiring, stalling, engine shuddering and rough idling. They also enhance power output and optimize overall engine performance. Additionally, these coils monitor the check engine light in case of circuit failure and severe stalling. Vehicle Compatibility: Compatible With 1 Series And 3 Series 2011 BMW 1 Series M， 2008-2013 BMW 128i 2008-2010 BMW 135i ， 2003-2006 BMW 325Ci 2006 BMW 325i/325Xi ， 2007-2013 BMW 328i/328i xDrive 2007-2008 BMW 328Xi ， 2003-2006 BMW 330Ci 2006 BMW 330i/330Xi， 2007-2010 BMW 335i/335is/335Xi/335i xDrive Compatible With 5 Series And 6 Series 2006-2007 BMW 525i/525Xi， 2008-2011 BMW 528i/ 528i xDrive /535i xDrive 2008 BMW 528Xi， 2006-2007 BMW 530i/530Xi 2008-2010 BMW 535i， 2008 BMW 535Xi 2004-2005 BMW 545i， 2011-2016 BMW 550i /550i xDrive/550i GT/550i GT xDrive 2004-2005 BMW 645Ci， 2012-2016 BMW 650i /650i xDrive/650i Gran Coupe/650i xDrive Gran Coupe Compatible With 7 Series And Alpina B7 2004-2006 BMW 760i， 2011-2012 BMW 740i/740Li 2009-2015 BMW 750i/750Li， 2010-2015 BMW 750i xDrive /750Li xDrive/760Li 2015-2016 BMW Alpina B6 xDrive Gran Coupe ， 2007-2015 BMW Alpina B7 2011-2015 BMW Alpina B7 xDrive /B7L & B7L xDrive Part Number. UF592 12137551049 12137562744 12137571643 12137594937 1788508 5C1695