Ignition Coil & Iridium Spark Plugs for BMW 328i GT xDrive (2014-2016) 2.0L

Direct-Fit Ignition Coil & Iridium Spark Plug Kit for 2014-2016 BMW 3 Series (N20 / F34)

Designed to eliminate misfires and restore combustion efficiency: This comprehensive ignition overhaul kit replaces degraded factory coils and fouled plugs to deliver consistent spark energy under high cylinder pressures.

The Stock 3 Series Ignition Degradation

The factory ignition system on the N20 2.0L turbocharged engine is notorious for premature wear, especially as the vehicle accumulates mileage. High under-hood temperatures and the increased cylinder pressures of forced induction severely tax the OEM ignition coils. The epoxy resin potting compound inside the factory coils eventually breaks down under continuous thermal cycling, leading to micro-cracks that cause voltage leaks, hesitation under load, and severe cylinder misfires. Furthermore, standard spark plug electrodes erode over time, widening the spark gap. This widened gap strains the already compromised ignition coils, resulting in poor fuel burn, reduced throttle response, and the inevitable flashing check engine light that plagues many F3X chassis platforms.

The Engineering Solution

This replacement ignition coil and Iridium spark plug kit is engineered to restore and optimize your N20's combustion cycle. The included ignition coils feature upgraded copper wire windings and high-temperature epoxy to resist dielectric breakdown, ensuring maximum voltage transfer directly to the plug. By utilizing an OEM-style blade terminal and female connector, they offer a direct plug-and-play fitment that matches factory electrical resistance specifications. Paired with laser-welded Iridium performance spark plugs, this system provides a highly concentrated, stable spark. Iridium is exceptionally durable, allowing for a fine-wire center electrode that requires significantly less voltage to bridge the gap while surviving extreme combustion chamber temperatures. This combined upgrade delivers a more complete fuel burn, restoring lost horsepower and torque while completely eliminating load-based hesitation.

Technical Specifications

Compatibility

• 2014 BMW 328i GT xDrive 2.0L
• 2015 BMW 328i GT xDrive 2.0L
• 2016 BMW 328i GT xDrive 2.0L

The BMW Precision Standard

Engineered for the demands of German turbocharged powerplants, this kit ensures perfectly timed combustion events and a CEL-free dash, delivering the refined performance, smooth idle, and reliability expected from the Bavarian marque.