BMW Z4 (E85) Cylinder Requirements



BMW Z4 (E85) cylinders must be removed from the top frame as a complete unit. Do not at any time remove the rotating arms from the cylinder as this can damage the pinion gear. After removing the cylinder assembly from the top frame, remove all hardware and sensors except for the rotating arms.

Photos 1 and 2 show the two sides of the cylinder with the attached arms and all other hardware removed.

Please send us only the parts in the photos:


Shipping Information

  • Make sure to pack and ship your parts in a sturdy, well-padded box.
  • Fill out our Customer Information Sheet and put it inside the box with your parts.
  • We recommend adding additional shipping insurance to cover for loss or damage.
  • Make sure that you get a tracking number for your shipment, so you know when we receive your package.
  • You won’t hear from us when we receive your package unless there is a problem. If there is damage or if any parts are missing, we’ll call you before we start the rebuild to let you know what we’re seeing and discuss any additional repair costs. Otherwise, the first that you’ll hear from us is when the rebuild is complete, and we call to collect credit card payment.

Ship Cylinders To:
Cabriolet Hydraulics
2111 72nd Terrace E
Sarasota, FL 34243