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BMW 645Ci Brake Hose Replacement at your home or office.

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Brake Hose Replacement Service

How much does a Brake Hose Replacement cost?

On average, the cost for a BMW 645Ci Brake Hose Replacement is $161 with $38 for parts and $123 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2004 BMW 645CiV8-4.4LService typeBrake Hose - Driver Side Front ReplacementEstimate$224.77Shop/Dealer Price$266.34 - $339.87
2004 BMW 645CiV8-4.4LService typeBrake Hose - Passenger Side Rear ReplacementEstimate$198.77Shop/Dealer Price$240.38 - $313.94
2004 BMW 645CiV8-4.4LService typeBrake Hose - Driver Side Rear ReplacementEstimate$198.77Shop/Dealer Price$240.38 - $313.93
2004 BMW 645CiV8-4.4LService typeBrake Hose - Passenger Side Front ReplacementEstimate$198.77Shop/Dealer Price$240.33 - $313.84
2005 BMW 645CiV8-4.4LService typeBrake Hose - Passenger Side Front ReplacementEstimate$198.77Shop/Dealer Price$240.41 - $313.99
2005 BMW 645CiV8-4.4LService typeBrake Hose - Passenger Side Rear ReplacementEstimate$198.77Shop/Dealer Price$240.38 - $313.93
2005 BMW 645CiV8-4.4LService typeBrake Hose - Driver Side Rear ReplacementEstimate$205.27Shop/Dealer Price$246.57 - $319.89
2005 BMW 645CiV8-4.4LService typeBrake Hose - Driver Side Front ReplacementEstimate$205.27Shop/Dealer Price$247.42 - $321.37
Show example BMW 645Ci Brake Hose Replacement prices

What is the brake hose and how does it work?

The hydraulic steel brake lines that carry brake fluid in your car are bolted to the frame of the vehicle. These metal brake lines must eventually attach to the individual wheel calipers — or wheel cylinders in the case of drum brakes — at all four wheels. Since the wheels constantly move up and down, or left and right in the case of the front wheels, the brake line that attaches to the individual wheel calipers must be highly flexible. Enter the brake hose: a flexible, synthetic, reinforced-rubber hose designed to withstand the 1,000 PSI plus pressures that occur when you apply the brakes. There is at least one brake hose at each wheel position, and sometimes two depending on the suspension design. At the end of each rubber hose are steel connections with seals to maintain a leak-proof connection.

Brake Hoses

When to consider replacing the brake hose:

  • Physical damage. If there are cuts, cracks, abrasions, bulging, or excessive rust at the hose fitting ends, the hose should be replaced.
  • Leaks. Seepage at hose fittings, or leaks anywhere along the hose, requires replacement. If there is a leak, or the hose is bulging, you may notice that the brake pedal is lower than usual or spongy.
  • Internal hose failure. Occasionally, the lining on the interior of the hose can separate, blocking the flow of hydraulic fluid. This is diagnosed using test gauges. A fluid blockage that prevents the brakes from releasing may manifest itself as dragging brakes or overheated brakes.
  • End of Lifetime. Although many brake hoses can last 20 plus years if well-made out of quality materials, after 10 years of service it is best to replace the hoses with new ones for maximum reliability and safety.

How do mechanics replace the brake hose?

  • The vehicle is jacked up and safely supported with steel jack stands.
  • The wheel and tire assembly are removed.
  • A pan is put in place to catch brake fluid.
  • Residual pressure in the brake line is relieved by momentarily opening the brake caliper bleeder screw.
  • Each hose end is detached. At the caliper, the attachment is often a banjo style bolt with one-time-use copper washers. The attachment at the vehicle frame is typically a flare connection, so a tube nut must be loosened. Once both ends are detached, the hose is removed.
  • The new hose is installed using new copper-sealing washers and the factory OEM torque on the tube nut and the banjo bolt.
  • Finally, the brake system is bled to remove all air and the vehicle is road tested. A final check for leaks is performed after the road test.

Is it safe to drive with a brake hose problem?

No. Properly working brakes are always essential. If you suspect damage to the brake hoses or see leaks it is a good idea to have a professional evaluate your car’s brakes.

When replacing a brake hose keep in mind:

  • If a brake hose is replaced due to aging, the mechanic will check all of the other brake hoses as they may be worn or defective as well.
  • Some vehicles have flexible, braided stainless steel brake hoses, or other specially designed hoses. If your car does not have ordinary synthetic rubber hoses, a mechanic will let you know what type of new brake hose you have and what your replacement options are.

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Number of BMW 645Ci services completed
264+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating

(24)
Rating Summary
20
1
2
0
1
20
1
2
0
1

Shawn

11 years of experience
12 reviews
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Shawn
11 years of experience
Request Shawn
by Andrew
BMW 645Ci V8-4.4L - Oil Change - McKinney, Texas
Friendly, efficient and communicated issue that was out of his control before the appointment. Very happy with the service and would highly recommend.

Emmette

36 years of experience
282 reviews
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Emmette
36 years of experience
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by Brady
BMW 645Ci V8-4.4L - Power Steering Belt - Stafford, Virginia
Once again Emmette was outstanding! He arrived early and did a great job. I will continue to recommend him to my friends and family

Tien

23 years of experience
903 reviews
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Tien
23 years of experience
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by Duke
BMW 645Ci V8-4.4L - Car Thermostat Replacement - Oakland, California
Very professional, friendly, fair and knowledgeable regarding the repair. I strongly recommend his for any future repair work I would consider.

Rodric

14 years of experience
416 reviews
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Rodric
14 years of experience
Request Rodric
by mark
BMW 645Ci V8-4.4L - Pre-purchase Car Inspection - Ontario, California
He was caught in traffic but made sure to call prior to arrival and kept in touch till he arrived. It was raining but he did a thorough review of the car. He got he on the phone before he left the dealership and walked me through the findings. I asked him to do a couple more items and he gladly obliged. I was very happy with the service.

Excellent Rating

(24)
Rating Summary
20
1
2
0
1
20
1
2
0
1
Number of BMW 645Ci services completed
264+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
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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