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Fix z4 roof.
What s more if you do not have your rear drains cleared regularly don t expect a new pump to last too long.
When a pump becomes water damaged it requires replacement.
The hydraulic pump of your bmw z4 a pricey part that is key for the operation of your cabriolet roof system is located in an area that is not waterproof.
How to replace soft top motor without removing roof.
Bmw z4 roof motor failure.
Here are some nice instructions with pictures.
In this video we diagnose and fix a bmw z4 with a malfunctioning convertible roof.
It has an 8 eight hour dis assemble order and at 75 100 plus per hour in repair cost you are looking at over 1000 dollars just to get to the power motor.
All this information is in the owners manual but if you haven t got this to hand this video will help you release use the roof manually.
Roof motor failure is a very common issue on the e85 z4 as the roof motor resides under the roof unit frame and canvas in a plastic container.
There is another issue that causes this motor to fail and here is what a z4 owner can do to prevent future problems.