2014 BMW Z4 · Transmission6-Speed Manual · 7-Speed ManualFull specs 2014 BMW Z4 Transmission (Manual Transmission - Automotix For sale: 2014 BMW Z4 Transmissions (Options: Manual Transmission Roadster, 6 speed sDrive35i). We have currently 14 Transmissions in stock available for immediate shipping. All our BMW Transmissions come with 1-year warranty, FREE shipping and 30-day money back guarantee. Verify the Transmission specifications before purchasing one! Manual Transmission for 2014 BMW Z4 | getBMWparts 1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.