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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Bilstein B4 Front with Bilstein B8 Rear
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      01-14-2018, 07:20 PM   #1
F30RiK
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Bilstein B4 Front with Bilstein B8 Rear

Car : 2013 335 Xdrive Sedan M-Sport

I already bought the Dinan springs with the bumps stop (waiting to get the shocks to install everything togetter)

At first, I wanna to buy some brand new Bilstein B4 (Can get them for 575$ CAD shipped all 4).. but now I saw if I get some read B8 the price difference is less than 200$.

Do you guys think B4 front B8 Rear will be a better combo or should I just get B4 all around?

I know B8 all around will be the best choice but It's very expensive here In Canada (371$+tx each front shocks)
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      01-14-2018, 10:02 PM   #2
alohasurftoad
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i think the B4 and B8 are different height and damping. i think if you do B4 front and B8 rear your car will be reverse rake(higher in front than rear). there might be adverse effects from different damping rates in front and rear as well.
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      01-26-2018, 05:09 PM   #3
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Thanks, I will buy b8 front and rear
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      01-27-2018, 09:06 AM   #4
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What happened to B6
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      01-27-2018, 10:06 AM   #5
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Quote:
Originally Posted by sspade View Post
What happened to B6
B6 are the proper option for OP. The B6 supports lowering springs with a max drop of 30mm while the B8 is designed for 30-50mm. The Dinan springs have a mild drop, only 20mm, fitting them comfortably within the B6's design range.
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      01-27-2018, 10:07 AM   #6
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My thoughts... exactly.
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