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lol! If a bushing is looking "rough" at all, even a smidgen, it's completely shot, without a doubt... Broken springs? Come on, this was an easy one to diagnose if you stated this stuff originally...
Fortunately, the front suspension on the E70 is pretty dang easy to completely overhaul yourself; so long as you have the tools, space, & basic competency to do it properly.
Even though it's a more complex system than is typical in BMW's past, the E70 front suspension is FAR easier to work on than swapping lower front control arms on an E36 or E46, which can be a bit tedious / annoying depending on whether the ball joint threads are rusted, but still not all that difficult to do.
The front thrust arms are about as easy-peasy to replace as anything on any suspension ever created, period (an hour or so, tops, if you're going very slow & methodical, with breaks to sip on a beer). If you're strapped on free-time, might replace these 1st to resolve the immediate issue, then gather parts over the next month or so to do a complete rebuild whenever it's convenient, as you'll need to schedule time for an alignment at a shop immediately after. Doing the torsion arms only, you could likely get away without doing an alignment (although, would be recommended to get an alignment), as these don't / shouldn't change your alignment appreciably / if at all, so long as the last alignment was performed w/ torsion arms that weren't all that worn out & you replace w/ the same part from the same manufacturer...
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05-15-2019, 03:57 AM
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