M-tech springs

Sajk

Zorg Legend
Joined
Oct 27, 2017
Points
74
Hi guys
Have searched high and low to try to find genuine BMW lowering springs which I believe are 15mm or so lower than standard. I don't want to go full 30mm lower but want to stick with what the factory thought was good.

Does anybody know the part numbers? Tried realoem etc
Thanks
 

t-tony

Zorg Expert (II)
Supporter
British Zeds
#ZedShed
Joined
Dec 31, 2013
Points
226
Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
They're not lowering springs as such but are Sport springs. Sorry if you knew that. Getting rare as hens teeth.

Tony.
 

Eddie Zedder

Zorg Guru (III)
Supporter
British Zeds
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Jun 10, 2015
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Location
Megawatt Valley, Notts.
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Z3 2.0
As Tony said, they are rare beasts. Put -30mm springs in with thicker spring pads to make it -15mm.
 

Sajk

Zorg Legend
Joined
Oct 27, 2017
Points
74
Ok. Thanks guys. I don't know why BMW wants to keep the part numbers for these things a secret.

Is there any downside to thicker spring pads? I would think over time the spring pads would compress a bit?
 

t-tony

Zorg Expert (II)
Supporter
British Zeds
#ZedShed
Joined
Dec 31, 2013
Points
226
Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
Possibly they would but it would take a long time when you see how thick 20 year old ones still are.

Tony.
 
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