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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 11-24-2011, 01:37 PM
bill13070 bill13070 is offline
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Brake Dust, X5 Vs 2012 535

We picked up my wifes 535Xi last friday ( new and all detailed and clean ) and today being thanksgiving I was honored by being allowed to wash and wax it !!! So I noted that the brake dust on the 535 was hardly apparent, more road grime in reality, yet on the X5 which I washed last Saturday it looks like I have been 4 wheeling it in an open cast coal mine !!!
So the question is the material, the pads fitted to 535 is made of ,availible for X5 ? as I would kill for that little dust. I am assuming it is the material ?
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  #2  
Old 11-24-2011, 03:41 PM
davidc1 davidc1 is offline
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I think so. My wife's 328 hardly shows any brake dust while my x5 shows dust within a day.
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  #3  
Old 11-24-2011, 10:27 PM
hyde hyde is offline
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Vehicle weight difference must be a factor as well.
I am considering buying one of those high power washers with soap attachment in order keep the rims clean, few minutes spray should be enough every few days.
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Last edited by hyde; 11-24-2011 at 10:28 PM.
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  #4  
Old 11-24-2011, 10:31 PM
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Emission Emission is offline
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Quote:
Originally Posted by hyde View Post
Vehicle weight difference must be a factor as well.
I am considering buying one of those high power washers with soap attachment in order keep the rims clean, few minutes spray should be enough every few days.
I purchased a pressure washer (gasoline model) years ago. My best friend against brake dust (spray some Simple Green/water on it, wait a sec and then blast it off).

The brakes on the X5 and 535i are very different. Unique compounds for the vehicle weight and intended use (the brakes on the X5 need to be able to stop 11,000 pounds when towing).

- Mike
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I am fortunate to have unique press cars delivered weekly, but I own:

'13 Audi Q5 2.0T Quattro 8AT
'86 Porsche 911 Turbo 4MT


Gone, but never forgotten... my E70 X5 35d, E90 335i, E46 330i, E36 328i, E70 X5 3.0si, E53 X5 3.0i.
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  #5  
Old 11-25-2011, 05:07 AM
bill13070 bill13070 is offline
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And yet ?

Seems fair comment in respect to weight of cars, but then again is that the whole picture, it does not seem to be such an issue with my neighbours Q56 and that is a tad on the obese size. I assume his car can stop and its towing capacity is 8500 lbs
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  #6  
Old 11-25-2011, 06:15 AM
sunny5280 sunny5280 is offline
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Quote:
Originally Posted by bill13070 View Post
We picked up my wifes 535Xi last friday ( new and all detailed and clean ) and today being thanksgiving I was honored by being allowed to wash and wax it !!! So I noted that the brake dust on the 535 was hardly apparent, more road grime in reality, yet on the X5 which I washed last Saturday it looks like I have been 4 wheeling it in an open cast coal mine !!!
So the question is the material, the pads fitted to 535 is made of ,availible for X5 ? as I would kill for that little dust. I am assuming it is the material ?
I suspect it's due to a different material. I had a 2000 X5 4.4i which suffered the infamous BMW brake dust residue. I also had a 2001 X5 4.4i which did not. I assume the difference between the two is the 2000 had OEM spec pads while the 2001 did not. I did not notice a difference between stopping feel for the 2001 over the 2000.

I also recall some comments in the E9x thread about newer BMW's having less brake dust than earlier models. Perhaps BMW is switching to a less dusty compound.
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  #7  
Old 11-25-2011, 06:29 PM
tony(topaz,SMG) tony(topaz,SMG) is offline
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My new 335i does not produce any significant amount of brake dust at all. It is well known that BMW changed the brake pad specs in the last couple of years on the e9X models which proves that you don't have to live with all that dust to get good braking. One of the first things I did to my '08 X5 was replace the pads to pads that dust much less. I'm running Akebonos in the rear and Carbotechs in the front. Couldn't be happier.
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  #8  
Old 11-25-2011, 06:35 PM
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AutoUnion AutoUnion is offline
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Diff't weight. The X5 is much heavier and the downside to such amazing braking power is the brake dust.

I've also chalked up brake dust as a German thing to. My old Q7 was obnoxious as well
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  #9  
Old 11-25-2011, 08:06 PM
hyde hyde is offline
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Difference in rims should also play role, space between spokes or position of them will let more brake dust pass through.
I also read people put a dab of wax on their wheels which limits and delays sticking, but I am not sure if our rims will be OK with wax on them..
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  #10  
Old 11-25-2011, 08:33 PM
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Emission Emission is offline
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It all depends on what pad material the OEM specs. Consumers hate brake noise (squeaks) but don't seem to complain about dust... only us freak enthusiasts car about that.

I have found that the new "ceramic-based" materials have very little dust, but the initial bite is a bit weaker. I put them on my wife's Volvo XC90, but I am going to stick with OEM for my X5.

- Mike
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I am fortunate to have unique press cars delivered weekly, but I own:

'13 Audi Q5 2.0T Quattro 8AT
'86 Porsche 911 Turbo 4MT


Gone, but never forgotten... my E70 X5 35d, E90 335i, E46 330i, E36 328i, E70 X5 3.0si, E53 X5 3.0i.
~~~~~~~~~~~~~~~~~~~~~~~~~
Read my work as West Coast Editor for Autoblog!
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  #11  
Old 11-25-2011, 09:06 PM
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1naztyx5 1naztyx5 is offline
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I recently changed the front pads to ceramic and haven't noticed a difference in braking and I've driving her hard a few times since, and for the dust well my rears look super dirty by comparison as they remain stock.
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  #12  
Old 09-07-2012, 05:27 PM
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SteVTEC SteVTEC is offline
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Bumpity!

Searched on this because the brake dust on my wife's new X5d is totally driving me insane. I'm OCD about brake dust and always have been, and get very annoyed when I see dark wheels covered in it especially on German cars.



Quote:
Originally Posted by Emission View Post
I purchased a pressure washer (gasoline model) years ago. My best friend against brake dust (spray some Simple Green/water on it, wait a sec and then blast it off).

The brakes on the X5 and 535i are very different. Unique compounds for the vehicle weight and intended use (the brakes on the X5 need to be able to stop 11,000 pounds when towing).

- Mike
mwaahaha! Funny I have one sitting in my garage but never even thought of that. Actually it's my buddy's but I'm storing it at my place because he doesn't have room for it at his. Big 2400psi gas model, buried behind the recycling bin in the center of my sig pic. So just spray on some wheel cleaner and then blast away a few seconds later? I can handle that.

Yeah the heavier weight of the X5 and needed to stop it from higher speeds or while towing definitely explains it. It's not nearly as bad on my E93, but a much lighter vehicle not intended for any towing.
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2012 E70 X5d (IT'S HERE!) Deep Sea Blue / Sand Beige, Premium, 3rd Row, Multi-Contour
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  #13  
Old 09-07-2012, 05:34 PM
jashearer jashearer is offline
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The brakes on my X5d are so good, that I don't even mind the massive amounts of brake dust

Jay
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  #14  
Old 09-07-2012, 07:39 PM
Rickm5X3 Rickm5X3 is online now
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Quote:
Originally Posted by Emission View Post
I purchased a pressure washer (gasoline model) years ago. My best friend against brake dust (spray some Simple Green/water on it, wait a sec and then blast it off).

The brakes on the X5 and 535i are very different. Unique compounds for the vehicle weight and intended use (the brakes on the X5 need to be able to stop 11,000 pounds when towing).

- Mike
Exactly. Combined with the trailer brakes, my X stops ON A DIME when towing and I could care less that the Y-Spokes look like they smoke 3 packs a day.

how do I post a pic w/o thumbnail??
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2011 X5M Alpine White/Sakhir Orange, Eucalyptus, Spare tire!, Comfort, Soft Close, Tech, Rear Climate, Individual dash, Individual Audio, HUD, DVD, USB, Cold.
2008 X5 4.8i Space Gray/Tobacco, Premium, Sport (includes AD), Active Steering, HUD, Tech, Comfort, Cold, Climate Package, 3rd Row, Prem Audio, running boards, OEM hitch

Gone:
2005 X5 4.8is
2004 X5 4.4i Sport
2004 X3 3.0i 6MT
2002 M5

Last edited by Rickm5X3; 09-07-2012 at 07:40 PM.
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  #15  
Old 09-08-2012, 05:24 AM
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ductman ductman is offline
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Quote:
Originally Posted by SteVTEC View Post
Bumpity!

Searched on this because the brake dust on my wife's new X5d is totally driving me insane. I'm OCD about brake dust and always have been, and get very annoyed when I see dark wheels covered in it especially on German cars.




mwaahaha! Funny I have one sitting in my garage but never even thought of that. Actually it's my buddy's but I'm storing it at my place because he doesn't have room for it at his. Big 2400psi gas model, buried behind the recycling bin in the center of my sig pic. So just spray on some wheel cleaner and then blast away a few seconds later? I can handle that.

Yeah the heavier weight of the X5 and needed to stop it from higher speeds or while towing definitely explains it. It's not nearly as bad on my E93, but a much lighter vehicle not intended for any towing.
If I had to say the one thing that I HATE about my X is the brake dust especially after having an X3 and a 535Xi as a loaner and having zero brake dust, I find myself wiping the wheels down daily, it really drives me nuts after a roadtrip and seeing the rims are totally black, I am definitely switching the pads out for ceramic pads since according to the the brake pad wear indicator, I probably will not get a set under the " free " maintenance.
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