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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Install spacer to prevent rubbing on the car is NOT recommend



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Wheel offset calculator courtesy of BimmerPost.com. You may use this calculator to calculate what tire sizes you might need if you upgrade your tires, or what wheel sizes/offsets are compatible with your car.
    Current Wheel Width  inches             Current Wheel Offset  mm.
         New Wheel Width  inches                  New Wheel Offset  mm.
 
TIRE WIDTH
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ORIGINAL TIRES
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Based on your stock wheel setup, your new wheel will have:
Original Tires Diameter (in.)
      New Tires Diameter (in.)
  Difference in diameter (in.)
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      03-23-2008, 01:08 PM   #23
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Quote:
Originally Posted by wj4 View Post
LOL of course they will say that. They have to say this so they won't have any liability...

And about your topic title..I don't understand why you would put on spacers to 'avoid rubbing'? If anything you will NOT rub if you DON'T use spacers at all. Spacers are just used for a more flush and aggressive stance.



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      03-23-2008, 01:24 PM   #24
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[quote=nagge;2351034]Are you really telling me that changing from 255/35-18 to 265/35-18 will cause "serious damage to the suspension system"?
in the long run. it can factor in. For example, if you have car accident. Insurance and BMW will inspect your suspension component to see what cause of the accident factor.

Of course the DSC and ABS will adjust to the new size, so what is the issue you are talking about? What will happen if I change my tire size by 1-3% (which is to be considered normal)? Let's say you are correct, by driving on a tire which has lost 10mm in diameter (5mm loss of thread depth) I will cause serious damage to my suspension? Please clarify.

all i am saying in the long run it will caculating how serious the condition of your suspension.
let me simulating an accident ok? Just say you have brand new tire with different dimension without aligement adjustment. You bring your car into the bmw dealership for warranty service. They suggest you should do aligment service cause these tire is not alige correctly. You will have safety issue later. You rejected for the aligement service In the long run, Your tire will wear out fast. Too fast that you cant really feel it cause your dsc is adjusting itself. the ball tire into exploding tire cause no thread on the tire. Now you have exploded tire. after it exploded the tire, some of the wire radial cutted your abs line and other stuffs who know. Not to mention the steering on the car. You hit another car cause your spind around on the fwy.Now you have an accident. YOur insurance come in and bmw. They look at your car. they notice that your tire on your car is the cause of the accident. They called a total lost. They will do further inspect on your car to see if you qualify for brand new car. After investment by the insurance company, they concluded your tire was not oem tire. 2nd the owner careless not inspect the tire for wear. 3rd, the insurance ask bmw if they advise the customer for aligement service. BMW reply, the customer rejected the aligement service during customer warranty service. Now the insurance decide not to give you brand car due to careless maintance. Guess what your 50K car bmw is gone. However, you still pay for each month.



Well if you know what it says you also know it's of no value to this thread what so ever. Other than to clarify your conception of ride height which doesnt have anything to do with this thread either.

yes i am aware of that genius. I am just giving an example. ANything you change on the car, you need to think what is the safety factor will involve. having spacer is not such a good idea for safety. Everything will break. PArt will bend from accident or improper installation of it or even hitting the curve will slidely affect it. When it bend, it will flex. flexing enough to brake the metal into two half.

What safety issue? There is a safety issue when changing tire dimensions?

read what i said about car accident.



Could you please explain in what way it is dangerous? Besides it breaking, since properly made spacers doesnt break. Everything thats poorly made is dangerous, we all know that.
All i saying having spacer is not an good idea at all. i dont need to explain to you how i feel about spacer cause i already give u an example how spacer can go bad on you.


Quote:
Originally Posted by LACA335i View Post
all im saying when you changing just a simple tire size beside oem stock. it will affect alot of sensor. However, DSC will adjust the different size of tire with their range of spec for smooth ride and safety. Everything u change in BMW Car will link to other issue. If you dont correct the issue at it early stage, you can have serious damage to the suspension system later on. I have not mention on the Safety factor. (Safety and Smog is regulated by the EPA. BMW need to follow their rule otherwise pay big fine.) It translation into $$$$$$$$$$$ out of your pocket to fix it. By the way, An example how costly to repair and replace suspension cause BMW recommend to replace the WHole entire Rack and Pinion on th newer car, if your servomotor does not work property. YOu cant RR the servomotor. It is already pre calipering into the system.





Please re-read my post, unless you misinterpret on purpose.



That is their conception of ride height. So the height of their ride isnt affected by tire size? If i change from 225/45-17 to 225/80-17 my ride height isnt affected by their interpretation? The height of my ride hasnt changed?
Ok maybe i give u an bad example of tire dimension. However ride heigh affect by side of dimension of the tire. ride heigh is very important to wheel aligement.

In the long run, it will affect your safety on the fwy or hwy. just think about it. how many time can dsc recalipering for tire wearness without aligement. Tire thread can only good for xxx miles. at the end your tire will turn into ball. Now we are talking about safety of your car cause you have not notice how bad your car is ball.
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      03-23-2008, 01:26 PM   #25
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Originally Posted by Digital.James View Post
spacers are consumables, you have to replace them regularly.
you are correct. however, how many driver will bother to inspect the spacer. How many company will tell you that? Personally i dont own spacer. all i know it is a safety harzous factor
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      03-23-2008, 01:46 PM   #26
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Quote:
Originally Posted by LACA335i View Post
in the long run. it can factor in. For example, if you have car accident. Insurance and BMW will inspect your suspension component to see what cause of the accident factor.
A accident will cause serious damage to my suspension?

Quote:
Originally Posted by LACA335i View Post
all i am saying in the long run it will caculating how serious the condition of your suspension.
let me simulating an accident ok? Just say you have brand new tire with different dimension without aligement adjustment. You bring your car into the bmw dealership for warranty service. They suggest you should do aligment service cause these tire is not alige correctly. You will have safety issue later. You rejected for the aligement service In the long run, Your tire will wear out fast. Too fast that you cant really feel it cause your dsc is adjusting itself. the ball tire into exploding tire cause no thread on the tire. Now you have exploded tire. after it exploded the tire, some of the wire radial cutted your abs line and other stuffs who know. Not to mention the steering on the car. You hit another car cause your spind around on the fwy.Now you have an accident. YOur insurance come in and bmw. They look at your car. they notice that your tire on your car is the cause of the accident. They called a total lost. They will do further inspect on your car to see if you qualify for brand new car. After investment by the insurance company, they concluded your tire was not oem tire. 2nd the owner careless not inspect the tire for wear. 3rd, the insurance ask bmw if they advise the customer for aligement service. BMW reply, the customer rejected the aligement service during customer warranty service. Now the insurance decide not to give you brand car due to careless maintance. Guess what your 50K car bmw is gone. However, you still pay for each month.
Gah...
You are taking this to far, a new tire with different dimensions wont cause noticably more wear even without an alignment. And the rest of your story when the tire explodes, yes of course it will explode if you run it until its bald, even if it is aligned.

You cant blame the tires for the owner being careless.

Quote:
Originally Posted by LACA335i View Post
yes i am aware of that genius. I am just giving an example. ANything you change on the car, you need to think what is the safety factor will involve. having spacer is not such a good idea for safety. Everything will break. PArt will bend from accident or improper installation of it or even hitting the curve will slidely affect it. When it bend, it will flex. flexing enough to brake the metal into two half.
Lets keep this about the spacers themself and not the installation as any numbnut can screw things up.

Yes everything will break...if you crash.

Quote:
Originally Posted by LACA335i View Post
All i saying having spacer is not an good idea at all. i dont need to explain to you how i feel about spacer cause i already give u an example how spacer can go bad on you.
Yes you do need to explain how you feel if you start a thread stating that spacers are a no-no. And you explained that if you have a accident the spacer will break. I think the spacer breaking is the least of your worries in case of an accident.

Quote:
Originally Posted by LACA335i View Post
Ok maybe i give u an bad example of tire dimension. However ride heigh affect by side of dimension of the tire. ride heigh is very important to wheel aligement.
In the document you posted it says to measure from the lower edge of the rim, hence tire wall height has no effect on ride height according to the document you posted. So which way do you want it?

Quote:
Originally Posted by LACA335i View Post
Tire thread can only good for xxx miles. at the end your tire will turn into ball. Now we are talking about safety of your car cause you have not notice how bad your car is ball.
Oh man, your taking this way of track. Tires going bald has nothing to do with spacers. And it you dont notice your tire going bald well that's your fault and not the spacers.
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      03-25-2008, 12:30 PM   #27
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DUde

just forget it. all i said was i would not recommend to have spacer on your car. i have evident support my statement. My view from Technician point of view. YOu can have spacer on your car. you can Drive your car with spacer on the wheel at your own risk. when you chaning (modify) anything on the car, you are now your car technician.. It can be good and bad (pro and con). It is depend on who is looking at it. i gave u an example like buying bigger size tire or bigger rim. You on the other hand you making everything simple like tire size into big thing deal. can you just accept how bmw design, buid, maintance. engineering , and prevent maintance.
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      03-25-2008, 12:57 PM   #28
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Quote:
Originally Posted by LACA335i View Post
DUde

just forget it. all i said was i would not recommend to have spacer on your car. i have evident support my statement. My view from Technician point of view. YOu can have spacer on your car. you can Drive your car with spacer on the wheel at your own risk. when you chaning (modify) anything on the car, you are now your car technician.. It can be good and bad (pro and con). It is depend on who is looking at it. i gave u an example like buying bigger size tire or bigger rim. You on the other hand you making everything simple like tire size into big thing deal. can you just accept how bmw design, buid, maintance. engineering , and prevent maintance.
Of course I can accept how BMW designs it stuff, what I cant accept is you claiming spacers are a bad thing and have nothing to support your case. Instead you go on with massive copy&paste that has nothing to do with the question at hand.

I made a simple thing like tire size into a big deal? Oh please, you're the one that started with all your nonsense about alignment this, system failure that.

And of course It's done at the end users risk. Going from there to claiming that spacers are accidents waiting to happen is quite the leap.

I pray that you are not representative of all BMW-technicians.
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      03-25-2008, 01:07 PM   #29
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Quote:
Originally Posted by nagge View Post
Of course I can accept how BMW designs it stuff, what I cant accept is you claiming spacers are a bad thing and have nothing to support your case. Instead you go on with massive copy&paste that has nothing to do with the question at hand.

I made a simple thing like tire size into a big deal? Oh please, you're the one that started with all your nonsense about alignment this, system failure that.

And of course It's done at the end users risk. Going from there to claiming that spacers are accidents waiting to happen is quite the leap.

I pray that you are not representative of all BMW-technicians.

the reason im copy and paste the document to see how the bmw work.. it is procedure on wheel aligement. We measure thing before we do wheel aligement. In us, we have alot of stupid law sue. Any car tire service business, we have to recommend wheel aligement to the customer to cover our liability and law sue.

I am not represent any BMW technician. There are alot of BMW Technician much more conversative than i am. Alot of BMW technician does not care about their work and pride. They think it is just day to day job with high pay They are not die hard BMW fan like us.
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      03-25-2008, 01:25 PM   #30
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BMW installed my spacers for me. I dont see a problem if you use the correct spacer.
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      03-25-2008, 01:29 PM   #31
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Its interesting to note that Porsche offers 5mm rear spacers in their options list on the 987s and 997s (of course at their usual astronomical pricing). In fact, on the new limited edition RS60 Boxster S, Porsche slapped on front and rear spacers from their parts bin to give it a wider track and for aesthetics.

So running the right spacers (nothing too big) with the correct hardware on our cars should not be a big deal. Of course having said that, I'd still feel iffy about running front spacers but I see some of our european posters/members run all sorts of spacers front and rear in their respective countries with no reservations (keep in mind some of the european countries are anal about the roadworthiness of mods).
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      03-25-2008, 03:22 PM   #32
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Hub centric spacers are fine ... non-hub centric spacers are a no no. Its as simple as that. Race cars run spacers for goodness sakes. People at BMW will tell you a air filter will hurt your car, they just dont want you to modify your car and 99% of them are clueless to anything automotive even though they work at a dealership.
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