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      08-05-2020, 06:42 PM   #1

Drives: e46 M3
Join Date: Aug 2020
Location: Fremont, CA

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Definitely getting Bilstien B6. Q: Dinan Performance / H&R Sport / Eibach Pro

Hi All,

My first post. So apologies if I ask something toooo basic. I have an 05-Comp and I want to replace the Orig shocks and springs.

I am definitely wanting the Bilstein B6s since I have read and hear amazing things about them (unless someone talks me out of it).

The dilemma I have is which springs should I buy ?
1. H&R Sport Springs (Lowers front by 1.2", rear by 0.5)
2. Dinan Performance (Lowers front by 5/8", rear 0.25")
3. Eibach Pro (Lowers front by 0.9", rear by 0.6")

My biggest criteria of selection is:
- Should not crash on potholes / bumps
- Should not rub
- Get better body control as I feel a good amount of lean in my front end.

Thank you for your help guys. Much appreciated.

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      09-03-2020, 04:38 PM   #2
TboneS54's Avatar

Drives: 2004 E46 M3, 2012 E82 128i
Join Date: Nov 2009
Location: SoCal

iTrader: (1)

I have modified b6s, They're amazing BUT they're not great if you go too low. They're best at about 14.5"/14" ride height (I'm more typical 13.5/13" - I did it though modifications to the plate assembly).

Soooo, I would pair whatever you choose with nice street camber plates that will give more travel so that you can go lower than stock 14.5"/14 with a set of lowering springs. You don't have to, but you'll get more travel.

That said....

H&R set is pretty bad. Rear is good but front is too low and the rate is too low for the drop, batch match.

Dinans are about perfect, but small drop.

Eibachs are my favorite. I always wish the rear drop was a bit more, so I pull the bottom rubber pad (the top pad is still providing cushion for NVH contorl) to gain another 1/4".
// 2012 TitanSilber 128i Coupe 6MT Slicktop N52 non-sulev Heated manual seats
/// 2004 SilberGrau M3 Coupe 6MT Slicktop zero options ~3100lbs

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      02-06-2021, 01:42 AM   #3
Second Lieutenant

Drives: 2016 340i, 08 e92 m3
Join Date: Aug 2017
Location: CA

iTrader: (3)

Any change to ride quality with b6 and Eibach?
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bc racing, bilstein b16 pps10 coilovers, bilstein b6, coilover, coilovers kw street comfort, dinan, e46m3, eibach, h&r

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