Another Sonic S1 Coilover Review - BMW 3-Series (E90 E92) Forum

New Guy · 01-16-2011, 07:18 PM

I've had the coilovers on the car for about 2-3 weeks and I've put 300-400 miles on them. Im happy! The ride is close to stock, however handling is a huge improvment. The car is more planted threw turns. I gave a ride to a friend who also has a 335i ( stock ) and he was amazed at how much better the car felt. The product is top notch, the customer service is ouststanding. I had tons of questions about set-up and i always received a reply, even got a phone call.

Theses coilovers have exceeded my expectations on build quality and performance.

cssnms · 01-16-2011, 07:39 PM

Glad to hear I am considering these coilovers.

I would like to hear from someone that has had these on their car for 20k or 30k mi. I expect them to perform well during the first 500 mi or 8 k mi even, but with a 1 yr warranty I am concerned about the long term durability. Needless to say it does not instill a lot of confidence when a manufacturer will only stand behind their product for 12 mo. Last thing I want to do is have to replace them after 5 yrs.

Hellrot Sachin · 01-17-2011, 09:37 AM

Sounds great! How are the small cracks in the roads (more noticeable). Any worsening of noise or vibrations?

Thanks,

Sachin

New Guy · 01-17-2011, 10:48 AM

[quote=Hellrot Sachin;8704234]Sounds great! How are the small cracks in the roads (more noticeable). Any worsening of noise or vibrations?

Thanks,

Sachin[/QUOTE

Maybe a little more noticable. Everything is quite. I have yet to play with the dampening, I think i have them all set to 1

Hellrot Sachin · 01-17-2011, 11:17 AM

Is 1 the stiffest or softest?

jose_sonictuning · 01-17-2011, 02:33 PM

Jason,

Thanks for the review!
Hope you got everything worked out.

You might want to try different damping setting, 1 might be too soft.

Sachin,

1 being lowest, and 12 being highest.

Fraggy · 01-18-2011, 04:11 PM

This is great news once again. I cant wait to save money to get a set.

Transport3r · 01-18-2011, 05:16 PM

Quote:

Originally Posted by cssnms

It does not instill a lot of confidence when a manufacturer will only stand behind their product for 12 mo. Last thing I want to do is have to replace them after 5 yrs.

I'm considering these coilovers but this is my exact worry! I almost would rather get a set of H&R springs with Koni FSD's just for some piece of mind.

jose_sonictuning · 01-18-2011, 05:37 PM

Quote:

Originally Posted by joshuo

I'm considering these coilovers but this is my exact worry! I almost would rather get a set of H&R springs with Koni FSD's just for some piece of mind.

Thanks for your consideration.
Personally I had the coils on my personal car for 2 years now, and the quality of the ride is still good. (not bottom out on bumps or potholes, and quality of the ride is smooth).

The manufacturer have been in business for 11 years is a sign for doing something right!

Let me know if you have any other questions, feel free to drop a PM.

Zero_09 · 02-26-2013, 10:55 PM

Quote:

Originally Posted by Transport3r

I'm considering these coilovers but this is my exact worry! I almost would rather get a set of H&R springs with Koni FSD's just for some piece of mind.

Based on what I read. Don't coilovers eventually leak? Like within 1-2 years?
Does Koni FSD have a lifetime warranty?

conrad325i · 04-14-2013, 11:13 AM

Bump

reprod · 04-15-2013, 01:15 PM

Quote:

Originally Posted by Zero_09

Based on what I read. Don't coilovers eventually leak? Like within 1-2 years?
Does Koni FSD have a lifetime warranty?

So far, this has been my experience since I've been using coil-overs since 2009. After the 2nd year you can feel the difference and you begin to be tempted to swap out the shocks. But it is also dependent on the driver and where/how that person drives.

As an fyi, I do not own Sonic coils.

.fLip. · 04-16-2013, 03:31 PM

Quote:

Originally Posted by cssnms

Glad to hear I am considering these coilovers.

I would like to hear from someone that has had these on their car for 20k or 30k mi. I expect them to perform well during the first 500 mi or 8 k mi even, but with a 1 yr warranty I am concerned about the long term durability. Needless to say it does not instill a lot of confidence when a manufacturer will only stand behind their product for 12 mo. Last thing I want to do is have to replace them after 5 yrs.

5 years? thats a long time and a lot of miles (depending on how much you drive) to not expect to replace a "performance" part.

but i guess it also depends on how low you drop the car.

BoogeyMan'sBMW · 04-17-2013, 03:53 PM

Great to hear that it worked out well for you! Can you post some pics of how your car looks?

BoogeyMan'sBMW · 04-17-2013, 03:54 PM

I've heard some interesting things about these coilovers. My friend has his set to the lowest setting in the rear but my stock sport suspension sits the same as his if not lower. His install is fine, too. Its just weird

LuisC48 · 05-21-2013, 10:20 AM

Quote:

Originally Posted by BoogeyMan'sBMW

I've heard some interesting things about these coilovers. My friend has his set to the lowest setting in the rear but my stock sport suspension sits the same as his if not lower. His install is fine, too. Its just weird

Any pics?

01-16-2011, 07:18 PM	#1
New Guy Private Drives: A BMW Join Date: Aug 2010 Location: A Place Posts: 57 iTrader: (0)	Another Sonic S1 Coilover Review I've had the coilovers on the car for about 2-3 weeks and I've put 300-400 miles on them. Im happy! The ride is close to stock, however handling is a huge improvment. The car is more planted threw turns. I gave a ride to a friend who also has a 335i ( stock ) and he was amazed at how much better the car felt. The product is top notch, the customer service is ouststanding. I had tons of questions about set-up and i always received a reply, even got a phone call. Theses coilovers have exceeded my expectations on build quality and performance.
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01-17-2011, 02:33 PM	#6
jose_sonictuning BimmerPost Supporting Vendor Drives: BMW Join Date: Dec 2009 Location: Gaithersburg, Maryland Posts: 1,857 iTrader: (16)	Jason, Thanks for the review! Hope you got everything worked out. You might want to try different damping setting, 1 might be too soft. Sachin, 1 being lowest, and 12 being highest. __________________ Sonic Tuning \| T: 240.766.8388 \| www.sonictuning.com BC Forged \| Avant Garde \| Cobb \| ST8 Wheels \| S1 Coilover \| MTEC AE \| Forgestar Wheels \| KW Suspension \| Alufelgen Wheels \| CSL Trunk Like us on facebook!

01-18-2011, 04:11 PM	#7
Fraggy Brigadier General Drives: 2007 e90 Join Date: Jun 2005 Location: San Diego Posts: 3,239 iTrader: (11)	This is great news once again. I cant wait to save money to get a set. __________________ Step--Premium--Sport--Nav--20% Tint--Blacklines--18" Beyern Mesh--Michelin Super Sports--Bastuck Exhaust--M3 Steering Wheel--BMW Performance Springs--Koni--M3 Front/Rear Sways--

04-14-2013, 11:13 AM	#11
conrad325i Private First Class Drives: Monaco Blue BMW 325i Join Date: Aug 2011 Location: Knoxville, TN Posts: 110 iTrader: (0)	Bump __________________ 18" Type 67s\|Charcoal Delete\|K&N Drop-in\|Rear Fogs\|Cool Carbon\|De-Badge\|Blackout Kidneys

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01-16-2011, 07:39 PM	#2
cssnms Brigadier General Drives: 2011 BMW 335d Join Date: Sep 2010 Location: Murland Posts: 3,155 iTrader: (4)	Glad to hear I am considering these coilovers. I would like to hear from someone that has had these on their car for 20k or 30k mi. I expect them to perform well during the first 500 mi or 8 k mi even, but with a 1 yr warranty I am concerned about the long term durability. Needless to say it does not instill a lot of confidence when a manufacturer will only stand behind their product for 12 mo. Last thing I want to do is have to replace them after 5 yrs.

01-17-2011, 09:37 AM	#3
Hellrot Sachin Private First Class Drives: TiAg E90 335i Join Date: Dec 2010 Location: Chicago Posts: 196 iTrader: (2)	Sounds great! How are the small cracks in the roads (more noticeable). Any worsening of noise or vibrations? Thanks, Sachin

01-17-2011, 10:48 AM	#4
New Guy Private Drives: A BMW Join Date: Aug 2010 Location: A Place Posts: 57 iTrader: (0)	[quote=Hellrot Sachin;8704234]Sounds great! How are the small cracks in the roads (more noticeable). Any worsening of noise or vibrations? Thanks, Sachin[/QUOTE Maybe a little more noticable. Everything is quite. I have yet to play with the dampening, I think i have them all set to 1

01-17-2011, 11:17 AM	#5
Hellrot Sachin Private First Class Drives: TiAg E90 335i Join Date: Dec 2010 Location: Chicago Posts: 196 iTrader: (2)	Is 1 the stiffest or softest?

04-17-2013, 03:53 PM	#14
BoogeyMan'sBMW Major Drives: SLOW Join Date: Jun 2009 Location: Queens NY Posts: 1,130 iTrader: (3)	Great to hear that it worked out well for you! Can you post some pics of how your car looks?

04-17-2013, 03:54 PM	#15
BoogeyMan'sBMW Major Drives: SLOW Join Date: Jun 2009 Location: Queens NY Posts: 1,130 iTrader: (3)	I've heard some interesting things about these coilovers. My friend has his set to the lowest setting in the rear but my stock sport suspension sits the same as his if not lower. His install is fine, too. Its just weird