Walker Products 921-2275 Ignition Coil

Walker Products Ignition coils are designed for the professional technician and meet or exceed OEM manufacturers specifications in fit form and function. The primary winding of the ignition coil is wound with a small number of turns and has a small resistance. Applying the battery to this coil causes a sizable DC current to flow. The secondary coil has a much larger number of turns and therefore acts as a step-up transformer. But instead of operating on AC voltages, this coil is designed to produce a large voltage spike when the current in the primary coil is interrupted. Modern coil designs produce voltage pulses up in the neighborhood of 40,000 volts from the interruption of the 12-volt power supplied by the battery. Some modern engines have multiple ignition coils mounted directly on the sparkplugs. Instead of single voltage pulses, they may under some engine conditions produce three voltage pulses. The ignition coil is a compact, electrical transformer that boosts the battery's 12 volts to as high as 40,000 volts. Walker Products began supplying the fuel system and engine management needs of the automotive industry since 1946. As an ISO 9001:2015/TS16949 certified company, we are committed to supplying the highest quality products. Fit: Vehicle Fitment BMW 135i 2013-2011, 228i 2016-2014, 228i xDrive 2016-2015, 320i 2018-2013, 320i xDrive 2018-2013, 325i 2006, 325xi 2006, 328i 2016-2007, 328i GT xDrive 2016-2014, 328i xDrive 2016-2009, 328xi 2008-2007, 330i 2006, 330xi 2006, 335i 2015-2011, 335i GT xDrive 2016-2014, 335i xDrive 2015-2011, 428i 2016-2014, 428i Gran Coupe 2016-2015, 428i xDrive 2016-2014, 428i xDrive Gran Coupe 2016-2015, 435i 2016-2014, 435i Gran Coupe 2016-2015, 435i xDrive 2016-2014, 435i xDrive Gran Coupe 2016-2015, 525i 2007-2006, 525xi 2007-2006, 528i 2016-2012, 528i xDrive 2016-2012, 530i 2007-2006, 530xi 2007-2006, 535i 2016-2011, 535i GT 2017-2010, 535i GT xDrive 2017-2011, 535i xDrive 2016-2011, 640i 2018-2012, 640i Gran Coupe 2019-2013, 640i xDrive 2018-2014, 640i xDrive Gran Coupe 2019-2014, 740i 2015-2013, 740Li 2015-2013, 740Li xDrive 2015-2013, ActiveHybrid 3 2015-2013, ActiveHybrid 5 2016-2012, ActiveHybrid 7 2015-2013, M2 2020-2016, M3 2018-2015, M4 2020-2015, M235i 2016-2014, M235i xDrive 2016-2015, M760i xDrive 2020-2017, X1 2015-2013, X3 2017-2007, X4 2018-2015, X5 2018-2011, X6 2019-2011, Z4 2008-2006, Z4 2016-2012, Mini Cooper 2015-2011, Mini Cooper Countryman 2016-2011, Mini Cooper Paceman 2016-2013

• Walker Products Ignition Coil is designed for the professional technician and meet or exceed the Orginal Equipment (OE) manufacturers specifications.
• Walker Ignition Coil can reduces common coil issues such as: no start, hard start, long crank time, misfires, lack of power, inconsistent transmission shifts, spark plug fouling, premature catalytic converter failure, poor fuel economy, check engine light illumination
• The primary winding of the ignition coil is wound with a small number of turns and has a small resistance, applying the battery to this coil causes a sizable DC current to flow. Modern coil designs produce voltage pulses up in the neighborhood of 40,000 volts from the interruption of the 12-volt power supplied by the battery. Some engines have multiple ignition coils mounted directly on the sparkplugs and may produce three voltage pulses
• Replacement: 12137594596, 12138616153, UF667, C865
• Fit: 2006-2020 BMW 228i, BMW 320i, BMW 325i, BMW 328i, BMW 330i, BMW 335i, BMW 428i, BMW 435i, BMW 525i, BMW 528i, BMW 530i, BMW 535i, BMW 640i, BMW 740i, Mini Cooper Countryman, Mini Cooper Paceman, Mini Cooper, BMW M2,BMW M235i, BMW M3, BMW M4, BMW M760i, BMW X1, BMW X3, BMW X4, BMW X5, BMW X6, BMW Z4