6 speed vs 5 speed - Bimmerforums - The Ultimate BMW Forum Nov 18, 20146 speed vs 5 speed I see members swapping out 5 speed trannies for 6 speeds. - 2000 Z3: Many Mods. - 2003 VW Jetta TDI Manual 47-50mpg: Many Mods ~300ft/lbs tq, diesel, daily beater. Love/Hate relationship. The cost is well in excess of $3k as you need the transmission, a shortened drive shaft, and a bunch of other parts. Mod List/NoobDrivetrain & Transmission Parts - The Ultimate BMW Forum Drivetrain & Transmission Parts - Page 5 1996 - 2002 Z3 (E36/7, E36/8) - The Ultimate BMW Forum for VERY confused on what type of manual transmission fluid to useDec 06, 2010See more results Complete Manual Transmissions for BMW Z3 for sale | eBay Get the best deal for Complete Manual Transmissions for BMW Z3 from the largest online selection at eBay. Browse your favorite brands affordable prices free shipping on many items.