Sunroof Assembly Preparation

The sunroof in our 2002s was made by a supplier to BMW named Golde. These roofs are installed in many other German cars from the same period, and you can sometimes find parts through Porsche or MB suppliers, even Volvo used this type of unit.

While documentation even in the shop manual is sketchy, I hope to help you with all the details I can on this since I was told it's an ugly job to get it done right!

Currently I am getting the sun roof ready to put in as far as I can, but I will be held up by installation of the headliner. That is because the material wraps around the opening towards the sky and the tracks hold the material down in place. The following photos show what you go through if you completely disassemble the roof as I did.

There are two strips of corduroy type material from the old sunroof panel I removed and reattached to the roof using Wurth Yellow Weather Strip Adhesive.
Close up view for position, in case you have to use new material yourself.
On the ends of the roof near the back are these pad blocks that slide up and down the tracks at the rear. I doubt these felt type pads are available new, I fashioned some from cork gasket material double thick and then glued them down using the Wurth glue. The sharp tabs are then folded inward to hold the new pad in place like the old one.
So far I have disassembled 3 sun roofs. Each time I have noted that these adjustment screws are always lined up flush as shown, even though their stud mounts are different heights. These are the screws you adjust up or down on the stud in order to have the right front edge height of the sunroof. Too high and these scratch your paint -- so be careful.  I will fully cover adjustments when I get ready to put it back in.
On the upper right with two red screws are the front guides which screw into the studs in the previous photo. I noted that both sides are exactly 2" from the edge. These guides are normally hidden. I didn't check on new parts here, I just cleaned these up in the bead blaster and will lubricate the plastic guides shown between the 2 and 2.5" marks on the ruler after it's installed.
Ok, passenger side view of the long sunroof tracks. On either side these two pieces hold the sunroof cables.  In order to make them shine, try using 00 steel wool and some type of chrome polish (Like Mother's) and lots of elbow grease.
Driver's side view of the sunroof tracks.
The corner piece - looks good here, that's about an hour of polishing alone on it to get it this way.
Driver's side of the track looking head on. You can see in the front here where the round holes are - these contain the sunroof cables from each side.
Underneath, passenger side. You can see in this close up how the roof guide on each side fits into the tracks. Note above the roof guide is the two adjusting screws mentioned. When you have it installed this way it is obvious what a difference they make when you see where the sunroof meets the front of the opening and view across the roof from the drivers side. You can eyeball whether it's too high or low.
You have to make a new piece of foam, because the old one was deteriorating from heat and age. This 1/2"
foam is easily found in upholstery shops. I got this surplus from Ebay for $7.00 for 10 feet of material 5' wide.
A front view of the piece you make and glue down with the Wurth glue.
 
NEXT: Other installation work ->

 


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