Ignition Coil and Iridium Spark Plugs for BMW X3 (2018-2019) 2.0L

Direct-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2019 BMW X3

Primary Function: Restores precise high-voltage combustion energy and eliminates cylinder misfires across the rev range on turbocharged four-cylinder BMW platforms.

The Stock X3 Ignition Breakdown & Thermal Degradation

The forced-induction B48 powertrain operates under high cylinder pressures and tightly packaged engine bay temperatures. Over time, OEM coil boots degrade from cyclic thermal loading, leading to dielectric breakdown, secondary winding voltage leakage, and high-load spark blowout. Compounding this, standard factory plugs suffer electrode erosion under continuous boost, increasing plug gap and forcing the coil pack to demand excessive primary amperage, triggering DME fault codes, rough idle, and stuttering under acceleration.

The Engineering Solution

This complete tune-up kit replaces tired ignition components with four heavy-duty coil-on-plug units featuring high-conductivity internal copper windings and durable silicone boots resistant to dielectric punch-through. Paired with four fine-wire iridium spark plugs, the assembly delivers a focused, stable spark kernel with lower required firing voltage, superior flame propagation, and dependable resistance to fouling under high combustion chamber temperatures.

Technical Specifications

Compatibility

• 2018 BMW X3 sDrive30i 2.0L L4 Gas (G01)
• 2018 BMW X3 xDrive30i 2.0L L4 Gas (G01)
• 2019 BMW X3 sDrive30i 2.0L L4 Gas (G01)
• 2019 BMW X3 xDrive30i 2.0L L4 Gas (G01)

The BMW Precision Standard

Engineered to satisfy strict European engine management parameters, this ignition service kit ensures exact signal communication with the vehicle DME, preventing check engine lights while restoring smooth idle, crisp throttle response, and full-boost combustion reliability.