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- NGK NGK Iridium Spark Plugs 97506 SILZKBR8D8S
The Stage 1 Map lowers the overall RPM level during driving and smoothly engages the torque converter in 1st gear
The harware in this package is all that is required to make Stage 2+ power together with our own tuning
and offered easy fitment and OEM-like installation onto the F20 Platform
BMW Z3 M S54 - Tuning b58gen2unlock - NGK NGK Iridium SparkTRS Custom Engine Tuning With our Custom Engine Tuning power is increased to 360 370BHP and 390NM of torque when using 99RON fuel. *Power figures are climate, fuel quality and vehicle dependant. *Power figures are real figures we have seen on our dyno, these numbers are sometimes less than seen on other more optimistic dynos. The first dyno graph shown is a standard M3 engine with CSL Airbox only. The second graph shown is for a standard M3 engine