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Offline addelaat

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Suspension problems S1000XR
« on: February 23, 2020, 08:32:23 PM »
Hello BMW S1000XR drivers,

4 months ago I bought a new BMW S1000XR -Euro4 that I exchanged for my Yamaha R1.

After 5500 km the front tire is bare.
This is due to the suspension that is too weak.
The ESA system is set to Dynamic / Dynamic and the load to 1 person with luggage.

To check how far the suspension springs in, I provided it with tie-raps.
When used on the public road and no wheelies, it completely collapses.
A dangerous case that could completely lose control of the motorcycle when turning a bend because there is no longer any rebound and all the force has to be absorbed by the tire.
The rear suspension also regularly crashes on its rubber bumper.
Furthermore, I note that there is no static clearance, so that when you come back from the suspension you are launched from the saddle. An effect whatever you have when you are on a trampoline together.
All these forces then end up in the front tire, resulting in extra wear and pressure.

According to all BMW descriptions, all settings are electronically controlled and, therefore, the ideal setting is selected under all circumstances and safety is guaranteed. It is written that the ECU constantly calculates with the gas position, the brake pressure, the spring load ect.
Nothing is less true.
In my case, nothing is right.
A suspension may never come to an end. This should be controlled by means of the hydraulic compression settings to supplement the spring tension.

Now I am not the lightest person with 125 kg.
But an average person with a bit of luggage will soon arrive. And to think that the total weight with luggage is much higher in values ​​specified by BMW.
The electronics were re-read and installed on behalf of BMW.
No error messages were found.
As a result of observable errors, no claim can be made under the warranty, but the bicycle is not safe.
Do more people have this experience and how have they dealt with it?

I would love to hear from you.

Offline wessie

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Re: Suspension problems S1000XR
« Reply #1 on: February 23, 2020, 09:21:08 PM »
Have you checked the fluid level in the forks? Are the correct springs fitted? Maybe the previous owner was a clumsy wheelie merchant and blew a fork seal or broke a spring due to hard landings? The suspension mechanics are conventional, just the adjustments are electronically controlled.

Maybe take the bike to a suspension specialist not a BMW dealer.

Offline addelaat

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Re: Suspension problems S1000XR
« Reply #2 on: February 23, 2020, 10:22:03 PM »
Hi Wesley,

Thanks for your replay.
This bike is brand new 5500 km  and 4 months old.

Nothing changed.

I like to hear if anyone have got the same experience, and how they solved the problem by suspension specialist or BMW Dealer.

Offline smithy

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Re: Suspension problems S1000XR
« Reply #3 on: February 24, 2020, 12:56:44 AM »
*Originally Posted by addelaat [+]
Hi Wesley,

Thanks for your replay.
This bike is brand new 5500 km  and 4 months old.

Nothing changed.

I like to hear if anyone have got the same experience, and how they solved the problem by suspension specialist or BMW Dealer.

You may need heavier springs fitted, you're quite a bit heavier than the average rider at 125kg, I'm 6' tall but only 80kg...I have no problems with the suspension bottoming out, it works very well indeed.

Check to see if the little sensor lever is still fitted to the swingarm.

Smithy.
When I die, I want to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car..!

Offline zeusx4

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Re: Suspension problems S1000XR
« Reply #4 on: February 24, 2020, 04:15:04 AM »
I have a 16 model with a little over 6000 miles and I weigh 100kg. I have not had forks bottoming. I tend to run my bike in dynamic/dynamic as well. My 6k service included a fork service. I believe it was to change the oil in the forks. Have you had the service? It sounds like your forks need to be checked by the dealership. It sounds like this should be under warranty, take it back to the dealer and have them inspect the forks.
S1000XR
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Offline SimonUK

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Re: Suspension problems S1000XR
« Reply #5 on: February 24, 2020, 12:37:30 PM »
I am with Smithy on this, I think your weight is just too much for the stock springs. I weigh about 110kg in  gear, I have installed Tractive suspension(rear shock built to my weight) and installed stiffer fork springs. These changes have made a huge difference for me(though i never experienced bottoming out before, the stock suspension was definitely 'woolly').

Offline Salem

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Re: Suspension problems S1000XR
« Reply #6 on: February 24, 2020, 12:54:05 PM »
in that case setting the suspension to rider&passenger should solve the bottomming out. If it doesn't, then there's a problem somewhere
« Last Edit: February 24, 2020, 12:54:45 PM by Salem »

Offline SimonUK

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Re: Suspension problems S1000XR
« Reply #7 on: February 24, 2020, 03:22:47 PM »
I do not think there is any Pre-load adjustment that takes place on the forks, just damping(I may be wrong on this though)

Offline RyanGTXR

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Re: Suspension problems S1000XR
« Reply #8 on: February 24, 2020, 03:59:52 PM »
*Originally Posted by SimonUK [+]
I do not think there is any Pre-load adjustment that takes place on the forks, just damping(I may be wrong on this though)

This is what I thought also.
125kg would be possible with rider / pillion / luggage combination but a lot of that would be on the rear. A rider only at 125kg would be  good case for a suspension to be built for their weight on any bike


Offline Cheifbeerdrinker

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Re: Suspension problems S1000XR
« Reply #9 on: March 01, 2020, 02:24:24 PM »
You are just a bad ass rider. Time to upgrade your suspension or move the setting to 2 helmets.