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BMW 750iL Control Arm Assembly Replacement at your home or office.

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Control Arm Assembly Replacement Service

How much does a Control Arm Assembly Replacement cost?

On average, the cost for a BMW 750iL Control Arm Assembly Replacement is $209 with $69 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1999 BMW 750iLV12-5.4LService typeControl Arm Assembly - Rear Upper Left ReplacementEstimate$356.18Shop/Dealer Price$409.53 - $553.99
1996 BMW 750iLV12-5.4LService typeControl Arm Assembly - Rear Lower Right ReplacementEstimate$1978.05Shop/Dealer Price$2435.94 - $3801.69
2000 BMW 750iLV12-5.4LService typeControl Arm Assembly - Front Lower Left ReplacementEstimate$432.55Shop/Dealer Price$504.12 - $710.77
1995 BMW 750iLV12-5.4LService typeControl Arm Assembly - Front Upper Left ReplacementEstimate$517.95Shop/Dealer Price$614.19 - $895.60
1997 BMW 750iLV12-5.4LService typeControl Arm Assembly - Front Lower Right ReplacementEstimate$432.55Shop/Dealer Price$506.95 - $715.73
1991 BMW 750iLV12-5.0LService typeControl Arm Assembly - Front Lower Right ReplacementEstimate$299.45Shop/Dealer Price$338.01 - $445.04
1997 BMW 750iLV12-5.4LService typeControl Arm Assembly - Rear Upper Right ReplacementEstimate$343.27Shop/Dealer Price$392.55 - $532.26
1996 BMW 750iLV12-5.4LService typeControl Arm Assembly - Rear Upper Left ReplacementEstimate$480.55Shop/Dealer Price$564.11 - $806.77
Show example BMW 750iL Control Arm Assembly Replacement prices

What is a control arm and how does it work?

A control arm is a suspension component, usually made of heavy gauge steel or aluminum, that links the steering knuckle in the front — or axle carrier in the rear — to the frame of the vehicle. Many vehicles have upper and lower control arms. The inboard link(s) of the arm securely bolt to the frame of the vehicle through rubber bushings, while the outboard link of the control arm connects to the steering knuckle through a ball joint; all of which allow the control of the up and down movement of the steering knuckle or axle carrier. This minimizes the transmission of shock and vibration to the vehicle’s body.

When to consider replacing a control arm:

The structural portion of the control arm can last the life of the vehicle — except for cases of corrosion or crash damage. However, the rubber bushings and the ball joint in a control arm have a limited life. A mechanic should investigate if you notice:

  • Wheel alignment difficulties. Should the bushings, or the ball joint, in a control arm be worn, it will be impossible to properly align the vehicle. The worn components, or the entire arm, must be replaced.
  • Vehicle won’t track straight or pulls to one side. A car will not track straight and may require constant steering correction if there is a worn, bent, or loose control arm.
  • Clunking or squeaking noise. A loose control arm, or a control arm with dried out, rotted, or loose bushings, may move enough to cause detectable noise from the suspension as you go over bumps in the road.
  • Vehicle pulls to one side only when braking. Worn bushings or ball joints can allow control arm to shift when braking, causing the vehicle to pull to one side. Although, this could also be caused by brake calipers.

How do mechanics replace a control arm?

  • The vehicle is raised and supported on steel jack stands, and the wheel and tire assembly is removed.
  • Stabilizer bar links are detached from the control arm, if applicable. ABS wiring to the wheel speed sensor, if routed along the arm, is disconnected.
  • Control arm mounting bolts are detached from the frame and from the axle carrier if the control arm is in the rear.
  • For front control arms connected to the steering knuckle via a ball joint, the nut is removed from the ball joint stud and the stud is pushed through the steering knuckle to free the arm.
  • The arm is lowered from the vehicle and examined by the mechanic to confirm that the noise, or other problem, actually originated from a defect in the arm.
  • The new arm is installed using new mounting bolts if required by the service manual. In many cases, the fasteners must be tightened with the vehicle weight on the suspension in order to ensure the bushings are in a neutral, or resting, position.
  • The vehicle is lowered and road tested to confirm the problem is resolved. Replacing a control arm will change the vehicle alignment settings and the mechanic will refer you to a professional alignment shop to have the vehicle alignment set to factory specifications.

Is it safe to drive with a control arm problem?

No. If the car wanders on the road, pulls to one side, or noise from the suspension is loud, you need to schedule repair right away. Should the problem be limited to low levels of noise, such as clunking or squeaking, continued use of the car is reasonable until you can schedule a repair. Should the control arms be damaged as a result of a collision, it would be unsafe to drive the car until it is repaired.

When replacing a control arm keep in mind:

  • The number of control arm types vary from vehicle to vehicle depending on the design of the vehicle suspension.
  • Control arms should be replaced in pairs — arms on both sides of a front or rear axle — if the reason for replacement is worn control arm bushings or a worn ball joint.
  • All other suspension components should be inspected when control arms are replaced because looseness, damage, or excessive wear in other parts of the suspension system will make it impossible to perform a wheel alignment after the control arms are replaced.

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Number of BMW 750iL services completed
121+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1200+
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Michael

41 years of experience
131 reviews
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Michael
41 years of experience
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by Shannon
BMW 750iL V12-5.4L - Clear fluid is leaking - Columbus, Ohio
My experience was excellent very knowledgeable and a pleasant guy got straight to the point let me know what I needed to worry about first-hand and what I needed to worry about later I would recommend him to my friends five stars all the way

Amor

44 years of experience
181 reviews
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Amor
44 years of experience
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by
BMW 750iL V12-5.4L - Oil Change - San Jose, California
excellent work and knowledge of issues and friendliness .

Adam

17 years of experience
64 reviews
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Adam
17 years of experience
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by Vince
BMW 750iL V12-5.0L - Serpentine/Drive Belt - Plano, Texas
I highly recommend Adam to anyone needing work to their car or truck. I own 2 old BMW 750iL 12 cylinder sedans. I'm talking 25 and 28 years old. They both have been in storage for about 6 years. One of them had a broken fan belt which I called Mobile Mechanic to send some one to replace it. The person they sent was Adam. Adam was on time for our appointment. He called the day before to introduce himself and disgusted with me the work to be done. Upon his arrival the day of our appointment, he was very polite when he introduced himself to me. He then went to examine my car and what needed to be done in my presents. After his examination he informed me that my water pump may had seized up and it was what was causing the belt to break. He suggested there also may be other things wrong such as the fan clutch that is attached to the water pump may also be froze up. He suggested that I not put the belt on but take it to a garage for further examination. We agree to this and he left without charging me anything. What an honest guy. I did take his advise and the next day had the car at the garage and they found that Adam was right. Both fan clutch and water pump froze up and that is what caused the belt to break. Adam not only saved me the cost of replacing another fan belt which would have broken if he replaced it but also the possibility of getting stuck on the road when the new belt would have broken because of the other 2 problems. Adam was honest enough to inform me of the possible additional problems even at the cost of him not getting the original job he was sent to do. When I get the other car out of storage it is my intent to call Adam to check it out and let me know what needs to be done.

Russell

28 years of experience
271 reviews
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Russell
28 years of experience
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by Natalie
BMW 750iL V12-5.4L - Radiator Hose - San Leandro, California
5 stars, early and efficient

Excellent Rating

(11)
Rating Summary
10
0
0
0
1
10
0
0
0
1
Number of BMW 750iL services completed
121+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1200+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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