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Strut Tower Brace

Tony said...

>I was told that  strut tower brace would benefit my '83 320i, and that the
>type that allows the towers to be 'pre-loaded' is preferred.
>My questions are: Did the brace actually reduce flex?
>                         Did reducing flex improve cornering?
>                  Are there real differences in design?
>                  How much do they cost, and where do you get them?

Chris said...

>I would like to add a generalized question to Tony's question, re.- this
>subject. Does anyone have any experience in using a front strut tower brace on
>the E28 5-series? My '86 524 has developed some chassis flex, and I was
>wondering whether strut tower braces would help....

I have a Hartge brace on my E28.  One friend has a Hartge brace on her M6 
and another has an Eibach brace on his E30 M3.  We all have sport or M-tuned
suspensions.  All are three piece braces.

We all agree the brace reduces chassis flex and slightly improves cornering
performance.  IMHO, I would *not* install a brace as the first suspension
upgrade.  I'd suggest doing first: larger rims and tires, sport springs and
shocks, and larger swaybars, *then* do the strut brace.

I know Racing Dynamics and Schnitzer also have braces.  BMP has their own
version.  Check Roundel for locations and contacts.  You're looking for 
prices between $125 and $175.  Most people want the three piece brace; one 
for each tower top and the crosspiece.  One piece versions are more limited. 
Not sure about pre-loading...

Jim