Is it overkill to do this swap, let it circulate for about and week and do it again to try to flush as much of the old fluid as possible? Or is the amount left in the system without actuating the pump really not of any concern? Sorry if this is a dumb question, but this is a new area of DIY maintenance for me.
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E92 M3 - Borla racing midpipe/ ATAK Catback Exhaust, Macht Schnell Stage 2 CAI, Macht Schnell Pulleys, AA Tune, H&R Coilovers, Gloss Black VMR 19X11/19X10, OSS Headlights, Satin Black
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