Intermittent front wheel vibration?

[Rennsport]

the inner tie-rod ends go bad and are often neglected. super easy to change and will tighten up the steering a lot.

[ubernasty]

Could be a lot of things. Basic maintenance of tires, suspension components should fix it. Bust the checkbook out and replace worn shit = problem fixed.

[blunttech]

e28's are known for this. its probably a combination of many worn things up front. you can chase each item down if its just a beater or just bite the bullet and rebuild the entire front end (thats what id do) do the rear dog bones also.