Broken Springs - List (add yourself if you've been affected)

That's nothing to do with the flat ends. It's the material and temper of the Spring unit.
Broken springs tend to show a typical stress fracture normally just after the first coil.

In reality its not that simple:-
https://pearl.plymouth.ac.uk/bitstream/handle/10026.1/2300/DANIEL%20GERHARDUS%20HATTING.PDF?sequence=1
 
I've replaced all the springs on my E85 03 plate with thicker after market sports springs. The previous owner had told me he replaced the two rear springs. I had put the car away perfect for the winter and on getting it out the garage, the f/n/s snapped. Decided then to replace all. OEM's are very thin and fickle.
 
2007 3.0Si Coupé -
March 2010, Knocked on MOT for O/S/R Spring Fractured.
Both springs were replaced at this point.

July 2013, Knocked on service for O/S/R Spring, 'Pigtail' missing from bottom of spring.
Both springs were replaced again at this point.

January 2015, All four springs replaced with Eibach Pro-Kit
Original springs were in immaculate condition and sold on.
 
Having gone through the service history on my 2008/57 3.0si Sport, both rear spring were replaced separately (so presumably once they had broken) after less than 2 years/20k miles.
 
Looking through the service history of mine it's had 3 new springs on the rear, all done by the BMW main dealer where it was bought and serviced.

I decided to stick Eibachs on it and the first thing I noticed was that they'd fitted the latest OEM spring upside down. I wonder if this is incompetence (most likely) or if they've perhaps found that the springs don't snap as easily when fitted the wrong way up :|
 
Both springs fractured, being replaced for the second time in the cars life, otherwise MOT fail. Not bad for just under 40k miles!!!! BMW still refusing to acknowledge that this is an issue with a large number of our Z's.
 
OSR spring found to be broken in usual place at just under 30k miles - 2004 3.0SE - replaced both rear springs with non OEM thicker springs.
 
Zedster said:
Both springs fractured, being replaced for the second time in the cars life, otherwise MOT fail. Not bad for just under 40k miles!!!! BMW still refusing to acknowledge that this is an issue with a large number of our Z's.
Click to expand...

I don't think it's a Z4 issue - I've had broken helical springs on Audi, Saab, Vauxhall and Mercedes !
 
I take your point. However I consider in my case, replacing the rear springs twice in under 40k miles to be excessive, and judging by the amount of debate on this particular thread, plenty of people agree.
 
My current 56 plate Z4C had new rear springs in July 2013 at 66,711 miles!

Lasted a lot longer than my previous one!

And will hopefully last a lot longer for me as a result! :)
 
Rear near side broken, just the tiny bit at the bottom. Mechanic mate of mine put it on a ramp and found it within 30 seconds. Said it looked as though it had been broken for a long while, at least before last MOT! Hey hoo, not a biggie to get fixed, will go back with OEM as don't want to be slamming just yet!
 
I had a broken Spring a month or so ago that was noticed when the rear discs where getting changed. This meant that I got my Eibachs which are meant to be hardier and are a definate cosmetic improvement. :thumbsup:
 
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