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energy release
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  1. X2/X4 General Discussion
    If Romeo Barrera is around I’d love his opinion on this. I’ve been using ER for years in all of my vehicles and motorcycles. I’ve never experienced any failure of any kind, whether engine, gear boxes, trannys, etc. I’ve had about 6 vehicles and 15 machines. I have the 2019 X4 but haven’t used...
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