Genuine BMW S54 & S50 OEM Spark Plug (E36, E46, E85 & E86) 12120022902

Maintain factory ignition performance and reliability with the Genuine BMW OEM Spark Plug 12120022902, designed specifically for iconic BMW S50 and S54 naturally aspirated inline-six engines found in legendary M models including the E46 M3, Z3 M and Z4 M. Engineered to BMW’s exact factory specifications, this genuine OEM spark plug delivers the correct heat range, ignition characteristics and durability required for high-revving BMW M powerplants. Whether carrying out routine servicing or preventative maintenance, genuine BMW spark plugs help ensure smooth engine operation, stable combustion and the sharp throttle response these iconic M engines are known for. Key Features Genuine BMW OEM spark plug BMW part number: 12120022902 Designed for BMW S50 & S54 engines Factory-correct heat range and electrode specification Supports smooth ignition performance and combustion efficiency Ideal for routine servicing and preventative maintenance Direct OEM replacement component Manufactured to BMW factory standards Genuine BMW OEM Ignition Performance BMW M engines are engineered with extremely precise ignition and fuel delivery systems. Using genuine BMW spark plugs helps maintain: Reliable cold starts Smooth idle quality Consistent power delivery Stable combustion at high RPM Sharp throttle response Unlike lower-quality aftermarket alternatives, OEM BMW spark plugs are specifically calibrated for the thermal demands and operating characteristics of BMW M engines. Designed for High-Revving BMW M Engines The S50 and S54 engines are among the most celebrated naturally aspirated engines BMW M has ever produced, renowned for: Motorsport-inspired engineering High-revving performance characteristics Individual throttle bodies Precise engine response Maintaining proper ignition performance is essential for preserving the smooth power delivery and responsiveness these engines are known for. Ideal for Routine Maintenance Spark plugs are a critical service item and should be replaced at recommended intervals to help prevent: Misfires Rough idle Reduced performance Poor fuel economy Ignition instability under load This genuine BMW spark plug is ideal for both standard road cars and enthusiast-maintained M vehicles. Direct OEM Replacement This spark plug is supplied as a direct replacement for the original factory-installed component with no modification required. Professional installation is recommended. Compatibility BMW E46 M3 BMW E46 M3 Coupé BMW E46 M3 Convertible BMW E46 M3 CSL BMW Z3 M BMW Z3 M Roadster (E36) BMW Z3 M Coupé (E36) BMW Z4 M BMW Z4 M Roadster (E85) BMW Z4 M Coupé (E86) Why Choose Genuine BMW Parts? Genuine BMW OEM parts are engineered specifically for your vehicle, ensuring: Factory-correct fitment OEM-quality ignition performance Long-term durability Proper compatibility with BMW M engine systems Why Buy from R44 Performance? R44 Performance supplies genuine BMW OEM parts trusted by enthusiasts and specialists worldwide. BMW specialists Genuine OEM BMW components Fast UK & worldwide shipping Expert technical support Maintain the performance and reliability of your BMW M engine with the Genuine BMW OEM Spark Plug 12120022902, engineered specifically for BMW S50 and S54-powered M models.