GDT BMW E36 / E46 ZF S5D Dogbox kit

GD Transmission -BMW E36/E46 dogbox kit other type, ZF S5D-310, ZF S5D-320..... Selector chart is H-pattern 4 or 5 speed . The original ZF S5D gearbox to housing. - The gear ratio options is over 20 different . - gear wheel teeth, straight cutting - special tooth profile , stronger and rolling resistance is lower. - reverse gear lock - gear selector stick and the link rod - hardened selector forks and all other the components are hardened . - not need make change to the box . ask gear ratios or other information , send email. email:gdtransmission@gmail.com