MULTIVEHICLE COMPATIBILITY：Compatible with BMW (L6 3.0L): 08-13 128i, 08-10 135i, 07-13 328i, 07-08 328xi, 03-06 330i/Ci/xi, 07-10 335i/xi, 11-13 335is, 06-07 525i/xi, 08-11 528i, 03-07 530i/xi, 08-10 535i/xi, 11-12 740i/Li, 06-16 Z4, 04-12 X3; (L6 2.5L): 03-05 325i/xi, 03-06 325Ci, 03-05 525i; (V8 4.4L): 10-16 550i GT/xDrive, 02-05 745Li, 09-15 750i/xDrive, 13-16 M5/M6, 03-16 X5, 11-16 X6; (V8 4.8L): 06-08 750i/Li; (V8 3.0L*): 11-12 740i/Li. Mini (L4 1.6L): 07-13 Cooper, 11-13 Countryman. OE PART NUMBERS MATCHED: ‎UF592, UF571, C1638, 00044, 0221504470, 12137594937, 12137562744, 12137571643, 12138647689, 12138616153, 12137551049, 12138647689 and others. Designed to meet or exceed OEM specifications for form, fit, and performance, these ignition coils are engineered for seamless replacement in your vehicle PREMIUM IGNITION COIL MATERIALS: Precision-engineered with silicon steel cores, German enameled copper wiring, Japanese epoxy resin, and reinforced rubber sleeves for heat/voltage resistance. Built to prevent cracking, shorts, and premature failure. RIGOROUS QUALITY ASSURANCE: Tested to eliminate misfires, rough idling, stalling, and check engine lights. Each coil/spark plug undergoes voltage stability checks across RPM ranges for reliable ignition under extreme conditions. Fixes hesitation, backfiring, and power loss while optimizing engine performance. COMPLETE KIT &SERVICES: Includes 6 ignition coils,and installation guide. 100% OE-compliant fitment. Designed for DIYers and pros seeking hassle-free replacements. Please feel free to let us know if have any questions about this spark plugs and coil packs kit. SYKRSS 6-Pack UF571 Ignition Coils Compatible with BMW 128i 328i 335i 528i 550i 750i M5 M6 Z4 X3 X5 X6 Mini Cooper - Replaces for 0221504470 12137594937 12137562744