Has anyone ever used a Genuine BMW Z4 Convertible Hydralic repair kit?

[DashingDaryl]

The convertible hydraulics on my 2003 aren't working. I can hear the motor turning, so I feel pretty confident it is the Hydraulic Lifters.

I know most people send them off to be repaired for about $500.

I see BMW makes a Repair kit. Has anyone ever used it?
https://www.fcpeuro.com/products/bmw-repair-kit-genuine-bmw-54347114081?msclkid=355f5d1d6b091c2597643f1c24eeaece&utm_source=bing&utm_medium=cpc&utm_campaign=BMW%20Shopping%200&utm_term=4580771607393493&utm_content=Ad%20group%20%231

I watched a video of someone fixing their cylinders on a Saab. It did not look too hard. (at least not $500 hard)
https://youtu.be/S5XVvqXm6h4

Can anyone give me any first hand experience about how it went and whether they would do it again?

 

[enuff_zed]

I confess I can't really help with your question, but I would suggest you try moving the roof motor into the trunk first and checking it over. Several other things it could be before you dive into repairing the rams (lifters).

 

[DashingDaryl]

Thanks. I was planning on taking out the whole roof assembly and checking the motor.

It is weird how my brain works, but I plan on taking off the roof and evaluating the entire system before I order the repair kit.

If the motor is bad, I will be happy that I don't have to fix the remaining, more complicated hydraulic problems.

If I take the time to pry off the original motor housing top, pull the motor into the trunk and find out it is fine, then I will be mad that I have to do the whole roof removal also.

 

[enuff_zed]

Thanks. I was planning on taking out the whole roof assembly and checking the motor.

It is weird how my brain works, but I plan on taking off the roof and evaluating the entire system before I order the repair kit.

If the motor is bad, I will be happy that I don't have to fix the remaining, more complicated hydraulic problems.

If I take the time to pry off the original motor housing top, pull the motor into the trunk and find out it is fine, then I will be mad that I have to do the whole roof removal also.

Well it seems a bigger than needed job if I'm honest.
But having bled profusely whilst laying upside down removing the roof motor from somewhere behind my head I can kind of see your logic. :rofl:

 

[DashingDaryl]

But having bled profusely whilst laying upside down removing the roof motor from somewhere behind my head I can kind of see your logic. :rofl:

Thanks, now I feel just a little less crazy. I did attempt (sort of) to get the motor out of the trunk. I took off the shelf, laid on my back, wedged my hand back there and gave it a tug. I also tried tugging it from the top through the interior. My motor has never been replaced (I live in Sunny Arizona where it rarely rains) and it still has the factory seal tape and zip tie install.

From what I gather it is a two hour, straightforward removal of the roof. Or a 45 minute, convoluted, lots of cussing pull of the motor.

That might not be true, but that is how I perceive it based on the research I have done.

 

[colb]

Its a matter of brute force to get the motor container up and out into the boot without taking the roof off. I moved mine and resorted to using a long lever poked into the container lid joint and using a built up fulcrum point in the trunk forced the container upwards so the ziip tie holding in the well snapped and released the container. Once that zip tie is released its easy to pull it out and back into the boot where it can be worked on. Relocating it behind the carpet in the recess is the best place for it for future access.