325_driver 422 Report post Posted September 20, 2007 heys guys as with my 535i not reversing, im taking ray up on checking this lock out valve. so im gunna have to take trans cooler sump off, as i havent touched autos b4 1. any thing i SHOULDN'T do? 2. What should this "the lock out valve located in the small pan on the drivers side is a magnetic switch" Look like if it needs to be replaced?? 3. Should i put the old stuff back in the trans cooler? or do i need new stuff (does it matter )? Cheers There is hope yet turning this noob into a half decent apprentice/labradoodle HAHA Quote Share this post Link to post Share on other sites