The problem with the z4 roof motor is it s location.
Bmw e46 hydraulic roof pump location.
The convertible top hydraulic pump and fluid reservoir are located in the driver side of the trunk area behind the side trim panel.
Over 2 grand to fix from bmw i did it for free.
Check convertible pump operation.
After putting it back together and topping up with hydraulic jack oil through the little plug in the top of the pump.
Pay attention to how the pump sounds.
Anyone know where the hydraulic pump that raises and lowers the top is located.
2000 2006 bmw e46 chassis 318ci 320ci 323ci 325ci 330ci m3 rebuild upgrade service for all hydraulic cylinders and the hydro unit aka convertible top hydraulic pump in your e46 3xxci series bmw.
Bmw 3 series e46 convertible roof hood motor and pump 2001 2006 8234530 12v drive unit pump and reservoir only its now very common for the e46 roof to slow down or st.
The following video shows a convertible top motor running.
Also this system has a major hydraulic fluid leak and for that reason the level drops below the min mark.
Https amzn to 2qwvdrl this video might be hel.
To access the assembly remove the side trim panel.
On the cylinders top hydraulics replaces the decaying seals with a far superior material making your cylinder better than new.
2000 2006 bmw e46 chassis 318ci 320ci 323ci 325ci 330ci m3 rebuild upgrade service for all hydraulic cylinders and the hydro unit aka convertible top hydraulic pump in your e46 3xxci series bmw.
While the pump is running the hydraulic system has air trapped in the lines.
Check level with roof down i was able to get the roof up and down fully with no noises.
Joined may 5 2007 19 posts.
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Discussion starter 1 feb 10 2008.
For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.
Z4 hydraulic pump for top location.
323ci 323cic 325ci 325cic 330ci 330cic and m3.
This answer applies to e46 3 series convertibles 00 06 with power tops to include.
Top stopped moving it unlocks and i want to check if it s getting power first off.