Suspension: Difference between revisions

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Created page with "Independent front and rear suspension is used, with Macpherson struts at the front and a semi-trailing arm design for the rear.<ref name="BMW-E28-Betriebsanleitung">{{citation|publisher=BMW AG|title=Betriebsanleitung, Serviceheft 518, 520i, 525e, 525i, 528i, 535i, M535i, 524td|date=1985|language=de|url=https://bmw-grouparchiv.de/research/detail/index.xhtml?id=3058985|access-date=20 February 2017}}</ref> The front s..."
 
Move FAQ table to the top of the page
 
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Independent front and rear suspension is used, with [[Macpherson strut|Macpherson struts]] at the front and a [[Trailing arm#Semi-trailing arm|semi-trailing arm]] design for the rear.<ref name="BMW-E28-Betriebsanleitung">{{citation|publisher=BMW AG|title=Betriebsanleitung, Serviceheft 518, 520i, 525e, 525i, 528i, 535i, M535i, 524td|date=1985|language=de|url=https://bmw-grouparchiv.de/research/detail/index.xhtml?id=3058985|access-date=20 February 2017}}</ref>
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The front suspension was upgraded to use dual links at the bottom of the strut, as first seen on the [[BMW 7 Series (E23)|E23 7 Series]]. This increases steering offset while cornering, to improve steering feel.<ref name="noakes">{{cite book|last1=Noakes|first1=Andrew|title=The Ultimate History of BMW|date=2008}}</ref>{{refpage|page=106}} Double-acting shock absorbers, coil springs and a front [[anti-roll bar]] are used.
== 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
|}


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.{{citation needed|date=November 2017}} Some models have a rear anti-roll bar.<ref name="BMW-E28-Betriebsanleitung" />
Independent front and rear suspension is used, with Macpherson struts at the front and a semi-trailing arm design for the rear.


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.<ref name="BMW-E28-Betriebsanleitung" />
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.


Wheel sizes are 14-inch (16-inch for the M5 model) or 390&nbsp;mm [[Michelin TRX]].<ref>{{cite book|last1=Taylor|first1=James|title=BMW M5- The Complete Story|date=2015}}</ref>{{refpage|page=44}}<ref>{{cite web|title=1981 BMW E28 5 Series 525i Specs|url=http://www.ultimatespecs.com/car-specs/BMW/230/BMW-E28-5-Series-525i.html|website=www.ultimatespecs.com|access-date=21 November 2017}}</ref><ref>{{cite web|title=1984 BMW E28 5 Series 535i Specs|url=http://www.ultimatespecs.com/car-specs/BMW/1409/BMW-E28-5-Series-535i.html|website=www.ultimatespecs.com|access-date=21 November 2017}}</ref> All rims have 22&nbsp;mm positive rim offset.<ref name="BMW-E28-Betriebsanleitung" />
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&nbsp;mm positive rim offset.
 
== Front ==
 
== Steering ==
See [[Steering]].
* [[Subframe and Steering Reinforcement]]
* Power Steering Filter Change - [https://www.youtube.com/watch?v=_N2kfIh9wYI Youtube Video]
 
== Rear ==
 
[[Category:E28 Information]]
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