IRIDIUM vs PLATINUM spark plugs SMARTPHONE TEST BMW e46
Channel: Elbow Grease
Date: 2016-11-07

IRIDIUM vs PLATINUM spark plugs  ENGINE VIBRATION 
SMARTPHONE TEST in BMW e46 M54 with my HTC ONE M8 and VIBROMETER APP
CARLY http://www.mycarly.com/us/trainer?ref=garazowehobby