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The MINI N14 engine uses a traditional pencil coil design that operates using conservative dwell times and relatively low discharge energy. On stock vehicles, this system is sufficient. However, as cylinder pressures increase via higher boost, upgraded turbos, or ethanol-blended fuels, the strength required to bridge the spark gap increases substantially.
Under these conditions, standard N14 coils reach their electrical limits, resulting in high-RPM spark blowout, misfires, or reduced flame front propagation. To solve this issue, our team engineered the B-Series Coil Conversion Kit, which adapts modern BMW B48/B58 ignition technology to the N14 using proprietary brackets, standoffs, and wiring harness adapters. Our performance B48 ignition coils feature a significantly lower primary resistance and an optimized secondary winding structure, allowing them to store and release up to 2.3x more spark energy than the factory N14 ignition coil.
This clean, coil-on-plug upgrade drops directly into your valve cover without bulky external boxes or messy wiring. Whether you need an ignition service or are building a tuned N14, upgrade to B-Series ignition coils and experience improved spark energy and long-lasting performance.
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
08-26-2026
BMW & MINI B46 B58 CTS Turbo High Performance Ignition Coil is designed to enhance the ignition system of your BMW and MINI vehicles, providing a significant upgrade over factory components. Ideal for F/G series BMWs, F series MINIs, and A series Toyota Supra vehicles, these ignition coils deliver a 10% stronger spark compared to stock units, ensuring optimal engine performance. No additional tuning is required for installation, making this a straightforward upgrade. Also compatible with 2020+ Toyota Supra B46/B58 and 2014+ F5X Mini Cooper models.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
08-04-2026
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.