Quote:
Originally Posted by bcredliner
Some time ago I spoke with the owner of a transmission repair shop that had been in business for 20+ years. They specialized in transmissions for European vehicles. His position was there is no such thing as lifetime transmission fluid and recommend changing fluid at least every 100,000 miles. He was clear to only use the fluid recommended by BMW or fluid from the transmission maker as it was part of the transmission design. For the diyer He recommended draining and refilling the trans and driving for 25 or more miles and then change it again. That draining the transmission doesn't drain the torque converter. That one draining leaves too much of old trans fluid in the new fluid. I didn't ask about flushing the transmission.
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Thank you for the advice and reply! If I'm using the Valvoline maxlife fluid it's about $18 per gallon so doing two changes isn't terrible. But the kit comes with all the bolts. I think they're one time use. Wouldn't I need to essentially get two sets of bolts if I were to do two changes back to back?
Also, I posted above a few links to some amazon kits for the service. Do those look correct for an 08 X5 E70 3.0si with the ga6hp19z transmission?
Thanks!