Roof motor advice

S

Scottlington

Member
Guys (and gals) - I have a 2004 zed and I have a roof motor issue that doesn't seem to quite fit with the standard 'broken pump' and I wanted to poll for some thoughts and advice.

First - the roof motor has not gone completely. When I disengage via the standard button, the motor whirrs, the locks disengage just fine. Next, the motor continues to whirr but it doesn't seem to have the power to pull the roof back. If I give it a friendly push back, it lowers the roof just fine, it 'locks' into place and then the roof goes back up just fine. It literally is just that first 30cm or so that it seems to have trouble with.

Some googling suggests it might be low hydraulic fluid. I took it to Cayman Autos in Dorking earlier today and they reckon it's the valve within the pump that's faulty and that I need a new pump. Not low fluid or water immersion (although how they can tell that without taking the roof off is a mystery to me, which makes me slightly suspicious (probably unnecessarily).

Does anyone have any thoughts about this - do you think Cayman autos are right? It's not a fault I've heard of before to do with Z4 roof pumps. Could it still just be low hydro fluid? Lastly, they have quoted me £660 plus VAT for new pump, fitting and a year's warranty. I think that's reasonable, right?

Thanks in advance for any replies :-)
Scott
 
It sounds like the motor is on it's way out, though as you say the roof needs removed to be sure of what the problem is.

That price for a new motor and fitting is a little on the high side when you add in VAT at £132, but it's not wildly out of the ball park. Mine cost just over £700 all in to do.
 
Buy yourself a new one, take your old one out, clean it up, if it works perfectly, take the new one back.

Most are just "furred" up from water ingress.
 
Thanks Guys - I might give a bit of self help a go. I'm not the most mechanically minded fella out there but Shipkillers guide to removing the roof is superb and it does seems 'relatively' straightforward. I have a couple of mates who are very good at car DIY so I'll tap them for some help!

Just gotta get hold of a roof pump now...
 
Scottlington said:
Just gotta get hold of a roof pump now...
Click to expand...

BMW Sopers in Lincoln current price £306.54 including VAT and delivery. Mention this forum to Jamie or Mark in parts to secure the 10% discount.
 
I got a new pump which we fitted but cleaned the old one up wd it and it works fine 18 months later tested it still works try taking it out getting rid of the rust etc in side it .and give it a go :thumbsup:
 
Just thought I'd post a quick update on this.

Ended up getting a new roof motor fitted by Barkers Motor Works in Haslemere. Thumbs up to these guys, great service from first contact and the whole job came in at £650 inc VAT so very happy.

Roof zips up and down nicely now :thumbsup:
 
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