Question about 2007 BMW 750Li Sedan
I have a 2007 BMW 750Li. The plastic clips that connect the swing arms to the rear privacy shade seem to have broken completely off, rendering the rear shade inoperable. I took it to the BMW dealership to have it looked at and they told me that it would cost about $1200.00 to fix it. Is there a temporary solution to this? Maybe somthing I can do on my own to fix it? Thanks in advanced.
Hi RJO. The drive is the slide and mechanism complete. It requires the rear seat back and seat bottom to come out. Both the rear c-pillar covers and rear partial shelf come out to. In the mean time, you can manually help it lower. Get another person to press the button to lower while you hold the folding rails in each hand. You need to help the rail pivot and guide in place as it lowers.
Posted on Sep 14, 2017
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Posted on Jan 02, 2017
If you are in the US, and merely re-charging the system using one of those canisters from Auto Zone or NAPA or one of those other fine parts houses doesn't work, you can't (unless you work for an HVAC-licensed repair facility). Federal law requires that the gaseous fluid used in automotive A/C systems must be handled in such a way as to prevent it's release into the environment. Long story short, that means you have to have the expensive machinery to extract the fluid from your A/C system and properly store it. Before you rush out to Walmart for such a machine, it would be cheaper to buy another BMW from what I am told.
Okay, so you've asked around and located a trusted shop certified to work on A/C systems.
You've described two different problems. (1) A/C doesn't cool, and (2) A/C doesn't work in the back seat.
(1) Sounds like a typical lack of Freon (that gaseous fluid mentioned earlier). The system probably developed a leak after all these years (my Honda Accord system only went 15 years). The shop will charge the system with more Freon but it will have an invisible dye. You can't see it but a "black light" can. They will locate the leak, seal it up, re-charge the system, and you're on your way.
The hitch here might be in the type of Freon. Your car is early enough that the Freon is likely the older R12 Freon. The least expensive fix is to have the shop find and repair the leaks and have the system re-charged with R12.
The expensive route is to have the system overhauled, replacing all of the seals with Neoprene and several of the components (like the dryer and condensor), and converted to R134a (the current Freon in automotive use). This must be done carefully since there are all kinds of ways it can go wrong if short-cuts are taken or cheap alternate Freon mixtures are tried.
If you'd like to see what's involved in a minimalistic do-it-yourself way:
If you'd like to read up on Freon and such in more detail:
(2) Sounds like the problem I also had on the Honda once. Turned out the rear air came through ductwork that ran along the center tunnel and out under the front seat with the ducts aimed at the back seat. The whole thing worked like a champ until one day coming back from the lake the kids kicked their towels under the front seats and blocked both A/C outlets! :-)
There you go. More than you ever wanted to know about subject. Enjoy! :-)
Posted on May 26, 2009
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