Cobra springs for f30 340i

[TurboLlew]

So while doing some search on Cobra Springs i bumped into this thread, and i thought i should give an input. I've just fitted the 40mm Cobra springs on my 2012 F30 320d Sportline, with stock/OEM shock absorbers. This was a more affordable option at this point as i actually wanted the H&R Sport springs, which i think offer a much better drop (IMO), especially on non-M-sport BMW. I changed front shocks about a year and half ago, then changed the rear ones 3 days ago, along with fitting these cobra springs.

I will give an update on how quick the shocks wear, & how the car handles full load. I'm planning to lift the rear a little, (maybe by 10mm or so), as i find it too low. If anyone knows of a proper way of doing that please let me know. I've been searching, maybe some thicker rubber that will sit on the edge of the spring will do.

There isn't anything wrong with mid-tier springs, but you do end up being stuck with the 'set' heights whether you go with the cheapest or most expensive. It is a pity the rear is so low because the front looks to be spot on.

The proper way to do it is to fit coilovers.
Next best option (you will have to find one for your car) - is a sleeve over kit (there are 'budget' versions of these now too) which will give you fine adjustment
Third option is to swap the spring for one at the correct height

If you're thinking of putting those rubber blocks between one of the coils kiss your ride quality goodbye (also they pop out...). I would live with it as-is before resorting to this.

Unfortunately IMHO the delta between "cheap and I'll live with the height" vs "shit this not working, what are my options"... will mean that you're spending the labour over again to change it (or possibly even change the springs out).

 

[TAL007]

There isn't anything wrong with mid-tier springs, but you do end up being stuck with the 'set' heights whether you go with the cheapest or most expensive. It is a pity the rear is so low because the front looks to be spot on.

The proper way to do it is to fit coilovers.
Next best option (you will have to find one for your car) - is a sleeve over kit (there are 'budget' versions of these now too) which will give you fine adjustment
Third option is to swap the spring for one at the correct height

If you're thinking of putting those rubber blocks between one of the coils kiss your ride quality goodbye (also they pop out...). I would live with it as-is before resorting to this.

Unfortunately IMHO the delta between "cheap and I'll live with the height" vs "shit this not working, what are my options"... will mean that you're spending the labour over again to change it (or possibly even change the springs out).

Thanks a lot for your input. I'll either consider good quality coilovers or right spring size for the rear (maybe 30mm) as my next move from here. I appreciate the flexibility that's offered by coilovers, but I doubt I'd make full use of them, so my ideal setup would be right level springs with good aftermarket shock absorbers. I'm enjoying the car as is though, it's only the rear they I'm concerned about.