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      04-18-2018, 01:26 PM   #89
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Quote:
Originally Posted by 1junkie View Post
Yeah I was trying to get the B8's since before christmas. Just got some Koni yellows in last week. Bout to put them on but need to know how to set them up in terms of damper adjustment. Can someone guide me to a good post? Don't wanna hijack this one or get yelled at for not searching.....cause I have searched.
I'm happy with the front and rears both at about half way between soft and hard, but I think I might turn them up a quarter turn because there's a slight float over humps in the road, other than that, they ride very well and tightened the car up really nicely (comparing to totally blown OE)
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      04-20-2018, 10:41 AM   #90
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First link for the shocks was at $830 and included springs, and the front springs are $100 each, rears are $107 each. That's close to a set of B14 coils, but was the point to keep ride comfort better than coils?

Can one get the shocks for less $ without the springs in anyone's experience?
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      04-20-2018, 10:58 AM   #91
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Quote:
Originally Posted by Luftmeister View Post
First link for the shocks was at $830 and included springs, and the front springs are $100 each, rears are $107 each. That's close to a set of B14 coils, but was the point to keep ride comfort better than coils?

Can one get the shocks for less $ without the springs in anyone's experience?
Yes just get B6 or B8's and whatever springs you want
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      04-20-2018, 12:01 PM   #92
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Quote:
Originally Posted by Luftmeister View Post
First link for the shocks was at $830 and included springs, and the front springs are $100 each, rears are $107 each. That's close to a set of B14 coils, but was the point to keep ride comfort better than coils?

Can one get the shocks for less $ without the springs in anyone's experience?
Try getBMWparts.com for springs. They price competitively and can tell you which springs are right for your car. Also, think about getting the bumpstops that are right for the springs.
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      04-20-2018, 01:21 PM   #93
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Quote:
Originally Posted by Matticus91 View Post
Yes just get B6 or B8's and whatever springs you want
Thanks Matt, so you just "shelved" the ones which came with the shocks?
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      04-20-2018, 04:48 PM   #94
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Quote:
Originally Posted by Luftmeister View Post
Thanks Matt, so you just "shelved" the ones which came with the shocks?
Sold them, the Eibach pro-kit. Way too low for the roads in my area
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      04-20-2018, 05:25 PM   #95
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Quote:
Originally Posted by Matticus91 View Post
Yes just get B6 or B8's and whatever springs you want
B6's aren't designed for lowering springs. For anyone wanting to run Bilstein dampers with factory M Sport, BMW Performance, Eibach lowering springs or anything lower, you want to run the B8 Performance Plus which was built to cope with less travel.
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      04-21-2018, 09:21 AM   #96
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Another update from TireRack yesterday - the B8s I ordered last week are now expected in stock at the end of May instead of late April.
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      04-22-2018, 09:06 AM   #97
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Quote:
Originally Posted by tock172 View Post
B6's aren't designed for lowering springs. For anyone wanting to run Bilstein dampers with factory M Sport, BMW Performance, Eibach lowering springs or anything lower, you want to run the B8 Performance Plus which was built to cope with less travel.
Thanks man, I should have mentioned that. I gave both options since he was asking about doing his own spring combo, and since that could mean a stock-height option the B6s would be good for that. But yes anything lower than stock you should be looking at the B8's
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      04-22-2018, 12:36 PM   #98
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Quote:
Originally Posted by Matticus91 View Post
Thanks man, I should have mentioned that. I gave both options since he was asking about doing his own spring combo, and since that could mean a stock-height option the B6s would be good for that. But yes anything lower than stock you should be looking at the B8's
I tend to agree with you two on B8 for Sport pckge springs, but, there have been many contrary opinions. It seems over the years someone calls Bilstein and gets varying answers on B6 or B8.

I ordered Koni sports just to avoid getting it wrong. My sports springs sat the car a bit high as I think they were for a similarly optioned 135i. (I since decided to buy BMWP springs so the discussion is now academic for me.) I've tried to figure out thru all the discussion on B6 vs B8 and I think it comes down to the internal bumpstops.
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      04-22-2018, 04:58 PM   #99
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Quote:
Originally Posted by gjm120 View Post
I tend to agree with you two on B8 for Sport pckge springs, but, there have been many contrary opinions. It seems over the years someone calls Bilstein and gets varying answers on B6 or B8.

I ordered Koni sports just to avoid getting it wrong. My sports springs sat the car a bit high as I think they were for a similarly optioned 135i. (I since decided to buy BMWP springs so the discussion is now academic for me.) I've tried to figure out thru all the discussion on B6 vs B8 and I think it comes down to the internal bumpstops.
Considering the fact that Koni actually sells a full strut for the E82 instead of just an insert like for the E30 or E36 or other BMWs, they're solid choice. I also noticed they sell a kit similar to the B12 setup for a decent price.

As far as the B6 / B8 debate goes, the dampers used to be marketed as HD and Sport respectively as opposed to the current Performance and Performance Plus names, with the latter being intended for use with lowering springs. The current descriptions on cart.BilsteinUS.com explain it decently well, but it should be clearer, and I've also heard the same conflicting information from people contacting Bilstein as you have.
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      04-24-2018, 12:52 PM   #100
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Quote:
Originally Posted by Matticus91 View Post
Yes just get B6 or B8's and whatever springs you want
My question is will the setup below rub/hit IYO?

Edit: I have square setup on 245/40-17 RE-71R on DForce 41mm offsets. Dinan camber plates and the car has the SUV look. I know suspension is the next step.

I do about 10 autocross events and a couple HPDE per year. Tire Rack doesn't offer the B12 Pro kit because they say my car is after the 9/10 build date.

It must remain a street car which occasionally does events. I will not "screw it up". (I had a MINI that would shake the fillings out of your teeth)


P.S. Going to do the M3 RSF bushings and an LSD here soon.

Regards,

-Jim

Last edited by Luftmeister; 04-25-2018 at 04:01 PM..
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      04-24-2018, 12:58 PM   #101
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Quote:
Originally Posted by tock172 View Post
Considering the fact that Koni actually sells a full strut for the E82 instead of just an insert like for the E30 or E36 or other BMWs, they're solid choice. I also noticed they sell a kit similar to the B12 setup for a decent price.

As far as the B6 / B8 debate goes, the dampers used to be marketed as HD and Sport respectively as opposed to the current Performance and Performance Plus names, with the latter being intended for use with lowering springs. The current descriptions on cart.BilsteinUS.com explain it decently well, but it should be clearer, and I've also heard the same conflicting information from people contacting Bilstein as you have.
Hi Tock,

Do you have a link for that Koni setup? Based on my tire width I'm concerned about too much of a drop because of rub. Roads by me are "ok" and I don't run the 245 daily. I used 225f/255r on stockers.

Based on what Matt said, 1.2" seems too low. :/
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      04-24-2018, 02:47 PM   #102
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Koni kit for 135i E82: 1145-1018

http://www.koni-na.com/en-US/NorthAm...=521&mk=6&mt=1

(They also have kits for E88, and with Street dampers.)

I can't speak to rub on that one, but I run the Koni Sport struts & shocks with Swift Spec-R springs, Dinan camber plates, and 12mm spacers up front (which I don't believe are necessary with this setup, but I like the additional front track.)
You don't mention the aspect ratio on your 17" tires.
With 225/40-18 F and 245/35-18 Rear MPSS (stock wheels) clearance is not an issue. (With 12mm spacers on the rear, it was. Had some fender-well rubbing over bumps and in turns.)
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      04-25-2018, 08:00 AM   #103
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Quote:
Originally Posted by tock172 View Post
B6's aren't designed for lowering springs. For anyone wanting to run Bilstein dampers with factory M Sport, BMW Performance, Eibach lowering springs or anything lower, you want to run the B8 Performance Plus which was built to cope with less travel.
You might note that Turner, the OP's vendor, doesn't recommend using the B8s with the M-Sport Springs. I really hate this kind of advice when it isn't accompanied by a reason. Incidentally, looking at the pictures of the OP's car, his ride height seems pretty close to stock. I'd bet the so-called BMW Performance Springs are just the M-Sport Springs.

I have a Mercedes with the Mercedes Sport-Package. The Sports-Pkg lowers the car about 0.5" from the stock ride height. I checked with Bilstein what was the correct strut for it. They said the B8 was correct.

At the same time, I examined the specs for the B6 and B8 and noted the body of the B8 was slightly shorter than the B6. What people might not realize is a car can be lowered by a shorter strut and/or shorter spring. Also if I had installed the B6 in my car instead of the B8, the installation would have raised the height of my car.

In any case, I would put the B8s on my M-Sport Pkg and use the M-Sport Springs. As a check, I'd measure the strut length of both the stock and B8 to check they were essentially the same.

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      04-25-2018, 09:35 AM   #104
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Quote:
Originally Posted by Esteban View Post
Yes, with the BMWPS.
Can you tell me what springs you have (either part # or T# is fine) and how your car is optioned? I see you are N55 with DCT, but what about sunroof, nav, power seats, etc
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      04-25-2018, 09:37 AM   #105
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Quote:
Originally Posted by Happy Jose View Post
You might note that Turner, the OP's vendor, doesn't recommend using the B8s with the M-Sport Springs. I really hate this kind of advice when it isn't accompanied by a reason. Incidentally, looking at the pictures of the OP's car, his ride height seems pretty close to stock. I'd bet the so-called BMW Performance Springs are just the M-Sport Springs.

I have a Mercedes with the Mercedes Sport-Package. The Sports-Pkg lowers the car about 0.5" from the stock ride height. I checked with Bilstein what was the correct strut for it. They said the B8 was correct.

At the same time, I examined the specs for the B6 and B8 and noted the body of the B8 was slightly shorter than the B6. What people might not realize is a car can be lowered by a shorter strut and/or shorter spring. Also if I had installed the B6 in my car instead of the B8, the installation would have raised the height of my car.

In any case, I would put the B8s on my M-Sport Pkg and use the M-Sport Springs. As a check, I'd measure the strut length of both the stock and B8 to check they were essentially the same.

If the B8 body is actually shorter, that kills my theory that the difference between B8 and B6 is in the bumpstops.
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      04-25-2018, 11:17 AM   #106
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Quote:
Originally Posted by gjm120 View Post
If the B8 body is actually shorter, that kills my theory that the difference between B8 and B6 is in the bumpstops.
I'll confuse you more. I believe the stroke length and damping factor of the B6 & B8 are exactly the same. They only differ in the length of the strut body.

I believe Bilstein is just accommodating the manufacturer's specs. In my Mercedes, the drop is accomplished by the shorter strut body. The reason is the same springs can be used in all models of the vehicle.

I base this on the observation that the fender gap is smaller on the front than the back while the stock configuration the rear gaps are the same and the fronts differ by around 0.5".

Of course, this is all based upon some conjecture.
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      04-25-2018, 12:18 PM   #107
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Quote:
Originally Posted by gjm120 View Post
Can you tell me what springs you have (either part # or T# is fine) and how your car is optioned? I see you are N55 with DCT, but what about sunroof, nav, power seats, etc
I have sunroof and power seats, no nav. Don't know the T numbers.

Performance spring P/Ns:

Front 31-33-6-788-893

Rear 33-53-6-788-900
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      04-25-2018, 01:39 PM   #108
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Quote:
Originally Posted by Esteban View Post
I have sunroof and power seats, no nav. Don't know the T numbers.

Performance spring P/Ns:

Front 31-33-6-788-893

Rear 33-53-6-788-900
Our cars are probably close in weight. Dammit - I ordered -892 and -899 so will probably get more drop than you.

thanks.
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      04-25-2018, 01:56 PM   #109
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Quote:
Originally Posted by gjm120 View Post
Our cars are probably close in weight. Dammit - I ordered -892 and -899 so will probably get more drop than you.

thanks.
Didn't you just give them your VIN and they told you which springs go with your car?
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      04-25-2018, 02:23 PM   #110
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Quote:
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Didn't you just give them your VIN and they told you which springs go with your car?
Yep and I had been given the same part no's by a local dealer previously so I know it's correct for my car.

I'm probably overthinking this, but, my car may be at the edge of needing the next step up so I'll end up with more drop than most people have experienced.
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