Bmw X5 Rear Suspension Diagram

Old 08-23-2013, 10:23 AM

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Location: Calgary

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Quote:

Originally Posted by Ricky Bobby View Post

Hey Doru, my right rear is not able to be dialed into spec either (currently like -2.9 degrees) but my toe was able to be zero'ed out on both sides in the rear to hopefully save my tires, I'm suspecting the straight guide links are fine as the toe adjustment was ok, but I probably need to do the UCA (wishbone arms) and the ball joints in the rear.

I've heard horror stories about doing the rear ball joints with the carrier on the car (even with the special tool), what was your recommended method to get them done easily, what did you remove?

From what I see, you gotta let the air out of the bag on the side you're working on, take the wheel off, possibly the brakes (can you leave them in place?), disconnect the rear sway bar links, take out the HUGE long bolt that goes through the integral link and ball joint, then that should give enough slack to pull the wheel carrier down so you can remove the integral link and have access to the ball joint?

If you could give some tips I'd appreciate it, I have a local member who has the BMW special tool for removal/reinstall of the rear ball joints who I can borrow it from.

Hi RickyBobby.

Take the plastic covers in the rear, pull the rubber cover to expose the air line. Once the car was lifted, here is the order I did:

  1. Take wheel off
  2. Unclip air line, and leave out on the side you work.
  3. I followed this Bentley Publishers vid to a "T" - he did it in 15 min, I did it in 45 min/side (no lift):

BMW 5 Series (E39) 1997-2003 - Rear ball joint DIY, how to remove and install - YouTube

The hardest part is position back the wheel carrier. "IF" it seems you cannot place it back in order to insert the long bolt, you "could" unclip the air bag (it has a steel clip at the bottom) and push it aside. But in reality, it's not needed. Just be patient and make sure you position it correct, then adjust it with a long steel rod (thinner than the long bolt) - a screwdriver could work (that's what I used). Also, you should have the upper bolt of the integral link tightened loose (by hand), just to keep it in place. As you work on it, you will see how it goes in. A helper could be used for this part only.

There is absolutely NO NEED to take off anything else. No brakes, no swaybar links, nothing.

Once everything is back on and tight to spec, put the wheel on, put the air clip back on, then start lowering the car VERY SLOW. Once the wheel touches the ground, at some point, the compressor will start pumping air more vigorously. You will hear the hum. Stop there, until the hum stops, then lower a bit more. Just repeat this procedure, until the air bag is fully inflated to spec. It should take about 1 -2 minutes tops.

GL

P.S.: The integral link is probably the only part you have to remove - if this wasn't clear. But follow the Bentley vid sequence of removing the 2 bolts.

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Stable: e92is, e46 M54B25, e83 N52, e53 N62 - sold, e39 M54B30 R.I.P.

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Source: https://xoutpost.com/bmw-sav-forums/x5-e53-forum/72542-replacing-rear-control-arms-3.html

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