Suspension: Difference between revisions
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== Suspension FAQs == | |||
{| class="wikitable" | |||
|- | |||
! FAQ | |||
! Covers | |||
|- | |||
| [[Subframe and Steering Reinforcement]] | |||
| Steering-box bracket / subframe reinforcement | |||
|- | |||
| [[Steering]] | |||
| Steering boxes and identification | |||
|- | |||
| [[Steering Knock When Turning]] | |||
| Knock or clunk in the steering when turning | |||
|- | |||
| [[Ground Control Coilover Install]] | |||
| Ground Control coilover install | |||
|} | |||
Independent front and rear suspension is used, with Macpherson struts at the front and a semi-trailing arm design for the rear. | Independent front and rear suspension is used, with Macpherson struts at the front and a semi-trailing arm design for the rear. | ||
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== Steering == | == Steering == | ||
See [[Steering]]. | |||
* [[Subframe and Steering Reinforcement]] | |||
* Power Steering Filter Change - [https://www.youtube.com/watch?v=_N2kfIh9wYI Youtube Video] | |||
== Rear == | == Rear == | ||
[[Category:E28 Information]] | [[Category:E28 Information]] | ||
Latest revision as of 22:37, 13 August 2026
Suspension FAQs
| FAQ | Covers |
|---|---|
| Subframe and Steering Reinforcement | Steering-box bracket / subframe reinforcement |
| Steering | Steering boxes and identification |
| Steering Knock When Turning | Knock or clunk in the steering when turning |
| Ground Control Coilover Install | Ground Control coilover install |
Independent front and rear suspension is used, with Macpherson struts at the front and a semi-trailing arm design for the rear.
The front suspension was upgraded to use dual links at the bottom of the strut, as first seen on the E23 7 Series. This increases steering offset while cornering, to improve steering feel. Double-acting shock absorbers, coil springs and a front anti-roll bar are used.
The rear suspension is mounted on a delta beam that is connected to the body with three screws in rubber bearings, that have longitudinal play. Some models have a rear anti-roll bar.
The steering on most models is a speed-dependent recirculating ball power steering system made by ZF Friedrichshafen. The 518i has a Gemmer steering system with a double enveloping worm gear, also made by ZF.
Wheel sizes are 14-inch (16-inch for the M5 model) or 390mm Michelin TRX. All rims have 22 mm positive rim offset.
Front
Steering
See Steering.
- Subframe and Steering Reinforcement
- Power Steering Filter Change - Youtube Video
