Creaver 55 Report post Posted July 22, 2009 My mate wants to change his gearbox fluid in his m30 powered e23 (735i) with manual trans. What type of fluid is recommended/do you guys use? The bentley suggests atf for 535i getrags. cheers, Ian. Quote Share this post Link to post Share on other sites
mark247 39 Report post Posted July 22, 2009 I have always run normal run-of-the-mill ATF in the getrags I've had and it's worked absolutely fine. Quote Share this post Link to post Share on other sites
*Glenn* 854 Report post Posted July 22, 2009 G3 full synthetic or for harder driving (higher loads) use 75w80 full synthetic Quote Share this post Link to post Share on other sites
brockie123 31 Report post Posted July 23, 2009 I wasn't aware that you could use ATF in a manual gearbox without problems later on. Are there any advantages to using ATF? Quote Share this post Link to post Share on other sites
*Glenn* 854 Report post Posted July 23, 2009 (edited) I wasn't aware that you could use ATF in a manual gearbox without problems later on. Are there any advantages to using ATF? ATF G3 full synthetic is the correct oil for most pre-1998 BMW manual cars Edited July 23, 2009 by *Glenn* Quote Share this post Link to post Share on other sites
Creaver 55 Report post Posted July 25, 2009 Thanks Glenn. We used what you suggested. Cheers. Quote Share this post Link to post Share on other sites