Question about 2005 BMW 7 Series

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Frontend problem Ive had 3 sets of rotors replace, new solenoid, new abs controller, and still the car is warping the left side rotor. One thing I did notice, while making right hand turns, there's a reverd or like some thing is dragging, you can feel it through the floor boards. any clues?? Thanks Jack

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  • jkaras Jun 27, 2008

    BMW has replaced this part already.

  • jkaras Jun 27, 2008

    Wheel alignment was done about 10k miles ago, the car has 61k miles. After driving 13 hrs straight wouldn't the bearing explode?

  • jkaras Jun 27, 2008

    What does the door hinge have to do with warped rotors

  • jkaras Jun 27, 2008

    The wheels were balanced and aligned when I purchased new tire 10K ago

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9 Answers

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Hand torch the wheels this problem applies to bmw's and vws and audis!!

Posted on Oct 03, 2008

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If you experience the symptoms mentioned above, your rotors are most probably warped. If you get the shakes at different highway speeds even prior to braking, you definitely have one or more worn suspension components. Whether or not your need to replace suspension parts is a question based on the car's history, age, and mileage. You should not blindly replace the brake components without examining the rest of the suspension. It is common to need additional suspension work in addition to the brakes, particularly on cars with over 100k miles.

Replace all four rotors and pads with stock pads. From a dealer. They're relatively inexpensive (cheaper than American and Japanese cars!!). So do all four. ALL FOUR. The labor is so bloody easy that you won't be sorry. Besides, after you do it, and you've insured the rest of the suspension is working, you'll be really happy. REALLY. All service bulletins from BMW on brake replacement recommend replacing front and rear rotors as well as pads when servicing brakes.
Brake Replacement Parts list:

  • Front pads (1 set - usually Jurid 506EE for older E28s)
  • Rear pads (set)
  • Factory spin-balanced rotors x 4
  • Front left brake sensor
  • Rear right brake sensor
  • Hex key screws x 4 (provide month/year of your BMW mfg.)
  • 1-2 quarts brake fluid (per mfg. spec.)
Hope that helps.......

Posted on Jun 27, 2008

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Check the bushings around the door hinge pins see if they are broke or oblong or missing.......

Posted on Jun 27, 2008

  • gopinath pasupathy Jun 29, 2008

    there may be some problem with the wheel bearing when you turn towards right

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That sounds like the pressure regulator of your brakes is broken. The pressure does not release from the left side.
Unless it is the calliper, but i think you already checked that out. Pressure regulator is the main cause for problems like this.
It regulates pressure between back and front side

Posted on Jun 27, 2008

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Just to add to Marked answers -

Brake discs (rotors) and pads should always be replaced as axle pairs - what they are doing replacing 3 I don't know. This is an unsafe practice.

If one is not worn - this is an idication that there is a fault with that cylinder, It may be a defective brake line, or a siezed brake piston.

The vibration is probably due to a worn wheel bearing if you hear it most when the car "leans" onto that wheel more during cornering - i.e, is the outside front wheel.
If the wheel rotor is not on a proper bearing, then any braking will be ineficient on that rotor, and may cause overheating of the disc leading to damage.

Wheel bearings seldom "explode". They are contained as a press fit into the hubs. Mostly they sieze or end up running really rough well before that.

Another possibility is that the disc has not been assembled properly on the hub. This should be checked with a Dial Test Iindicator on the disc, and give a run-out of less than 0.005" Problems here may be caused simply by rust under the disc when fitting.

CV joint problems are mostly identified by a clonking when hard cornering at low speed - usually parking.

Posted on Jun 27, 2008

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This could be a collapsed brake line. Also check the CV joint on the problem side, this could cause the dragging you hear when you turn, and cause the rotor to kick off to one side and drag against the brake pad causing the warping.

Posted on Jun 27, 2008

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Hi , i have some things for you to check on 1- the break buds , 2- the break drums , 3- the break oil pipes , and i think that the problem will be from the breaks pips , and thank you for using fixya
don't forget the rating

Posted on Jun 27, 2008

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The issue here is your car needs a wheel balancing & wheel alignment this can detect & solve the problem.

Posted on Jun 27, 2008

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When was the last time you had an alignment done? Also could be a bad front wheel bearing on the left side, how many miles on the car? Wheel bearings usually cause road noise which could be what you are experinecing with that dragging. You can check the bearing easily by jacking up that wheel and moving it side to side and up down checking for play, a little bit of play is normal, check the right side first and then compare the amount of play to the left side, if you have more play on the left than on the right then I would day you need a new wheel bearing on that left side.

Good Luck
Hope this helps

Posted on Jun 27, 2008

  • Patrick McGee
    Patrick McGee Jun 27, 2008

    The only other possibilty I can think of is that the brake master cylinder is distributing to much fluid to the left side thus waping the rotors. Check the master cylinder next

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