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Lower control arms...

Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum
Category: Technical & Model Specific Forums
Forum Name: BMW ///M Power
Forum Discription: Ask your BMW M Power Technical Questions here (M1, M2 hybrids, M3, M5 & M6)
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=33378
Printed Date: 12-November-2018 at 19:49


Topic: Lower control arms...
Posted By: Matt T
Subject: Lower control arms...
Date Posted: 16-September-2006 at 16:31
How are you meant to remove the inner bolt? 

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Replies:
Posted By: Lancastrian
Date Posted: 16-September-2006 at 17:23

It is a taper pin (like a track rod end). Not sure how you would split it with the crossmember in the car. Maybe a wedge type splitter?

When I changed my crossmember it came out with the bottom arms still attached. I then used a big lever and several applications of a large hammer to the area of the pin to "shock" it out.

 



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E30 M3 Project - Specification TBC


Posted By: Matt T
Date Posted: 16-September-2006 at 17:34
Ive got a fork ball joint splitter so thats ok, its getting to the nut on top thats the issue. Not enough room for a socket and breaker, so looks like ill have to go buy a 22mm spanner and struggle with that unless anyone has any suggestions?

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Posted By: Matt T
Date Posted: 16-September-2006 at 18:07
Ok got the nearside off, off side is worse due to the exhaust and heatshield, only a spanner will fit, if that.

Now some fun getting the bush off! Any tips? Im thinking just get the blow torch out?


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Posted By: andygriff
Date Posted: 19-September-2006 at 13:22

Slacken off the 22mm nut bet leave a coulple of threads.

Place a large lever bar between the arm and the subframe and apply a moderate load downwards against the arm - then strike the arm at 90 deg close to the vertical pin. You should find the arm taper pin will seperate from the bore in the subframe without too much hammer swinging.

Not recommended if you are re using the arm - especially on an aluminium arm !

 



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1988 E30 M3 S14B23
1995 E36 M3 S50B30 Saloon
Honda RC30
BMW Senior Technician.



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