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The only one who has ACS springs I know is ksquare, but his GT has hydraulic rear suspension which is different from our F10. Don't know any one with 4 springs swapped.
The ACS should be around 1" drop whereas H&R should be around 1.4". No info. about which is stiffer.
If you get the ACS from BMW HK should be around $10k installed. $4K installed for H&R. IMO, I wouldn't spend $10k on springs only. If over $10k I rather get the whole coilovers, the venders usually warrant 1 year anyway.
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2011 F10 528i Black Sapphire / Oyster Black
2000 E46 325ci Cabrio Titanium Silver / Black - retired
1997 E36/7 Z3 Montreal Blue / Black - retired |