The steering links in the Bmw E34 is a complex assembly of tie-rods. If part of the links are changed, you should have a wheel alignment. There is no maintenance to the steering links. If a dust boot looses it's grease or is damaged you should replace it or change the part. The only bushing wear is in the Idler arm.

Idler arm

Cost: $25

Difficulty:

• Tie-rod puller
• Ratchet and 17mm socket
• Two new self locking nut

There is a bushing that can wear in the idler arm. You can buy it and press it on the old arm, but for the difference of price, it is easier to buy a brand new idler arm.
1. Place the front of the car on jacks or use ramps.
2. Unbolt the nut attaching the arm to the centre tie-rod then use a tie-rod puller to press it out.
3. Remove the 17mm mounting bolt to the frame then remove the idler arm.
Installation is reverse of removal.

Centre tie rod

Cost: $80

Difficulty:

• Tie-rod puller
• Ratchet and 17mm socket
• Four new self locking nuts

1. Place the front of the car on jacks or use ramps.
2. Remove the four 17mm nuts then use the tie-rod puller to remove the centre tie-rod from the pitman arm, idler arm and the two tie-rods.
Installation is reverse of removal.

Tie-rods

Cost: $30

Difficulty:

• Tie-rod puller
• Ratchet and 17mm socket
• Two new self locking nuts
• Front wheels adjustment needed

1. Use a jack to lift the concerned side, secure it with stands.
2. Remove the wheel, loosen the inner and outer 17mm bolts.
3. Use the tie-rod puller to remove both tie-rods then install the new one and tighten the bolts.
It's time for a front wheel alignment.