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Brake disc replacement – when and how often

Most drivers assume that their brake system is working. At the latest when the wear indicator signals that the rear and front brake pads have reached their wear limit, you should replace them. After all, a well-functioning brake system is extremely important for your safety and of all of the occupants in the vehicle. This is why it’s necessary that you, or a mechanic, check the brakes, brake pads and discs, regularly.

How does the braking system work?

A so-called "friction brake system" is used in passenger cars. It converts kinetic energy into heat. The brake pads press against the brake disc or brake drum and so generate friction causing the car to slow down. The car brake fluid transfers the pressure exerted on the brake pedal to the wheel brake. In addition to the friction brake system, electric and hybrid vehicles also have a regenerative braking system. This converts the kinetic energy into electrical energy using the electric motor as a generator.

When should I replace the pads and discs?

Contemporary brake systems will usually wear out after 75,000 miles. How quickly this happens depends on the particular vehicle, its age, the way you drive, and the conditions you usually drive in. Corrosion caused by environmental conditions, e.g. moisture, humidity, and salt can also become an issue that can lead to damage. If you have an older car, the pads generally need replacing sooner than the rear and front brake discs – some wear out after only 25,000 miles. In newer cars, the pads and discs generally get replaced concurrently.

brake disc replacement

How to recognise when it is time to change the brake discs

If the brake discs are worn, there are several ways to recognise this in time. Especially in newer vehicles, it is now common for an indicator to light up in the dashboard when the wear limit has been reached, signalling to the driver to change the brake discs. Anyone who ignores this is taking a great risk with unpredictable consequences.
In older cars that don’t have an electronic signal to tell you if the brakes need maintenance and you’ll probably first notice when the brake discs begin to make a loud sound. When the wear limit has been reached, a metal pin scratches the brake disc and produces a loud screeching and squealing sound every time you step on the brake; this can also be a sign that your brake discs are overheating. You should not ignore this sound – it signals that it is necessary to change the discs. In addition, reduced braking performance (long braking distance), a pulsating brake pedal, as well as swerving out of the lane during emergency braking, can be signs of wear. You should also not ignore small cracks or other damage to the brake disc. If the time has come to change your discs, we recommend that you take a look at the Brembo brake discs catalogue – here you are sure to find a suitable replacement at reasonable prices.

Top products related to this topic:

AUTODOC Bestsellers: parts at a good price

425158 ATE 24.0125-0158.1 Brake disc 312,0x25,0mm, 5x112,0, Vented, Coated, High-carbon
Parts Details
  • Diameter [mm]: 312,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 49,9
  • Brake Disc Thickness [mm]: 25,0
  • Centering Diameter [mm]: 65,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 22,0
  • Inner Diameter [mm]: 146,0
  • Machining: High-carbon
  • MAPP code available
  • No. of holes 2: 9
  • Test Mark: E1 90R-02C0115 / 1001
  • Bore Ø [mm]: 15,3
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0125-0158.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0125-0158.1
£ 63,42
(Price per item)
price incl. 20% VAT, excl. delivery costs
98200 1208 0 1 PRO+ TEXTAR PRO+ 92120805 Brake disc 288x24,9mm, 05/10x112, internally vented, Coated, High-carbon
Parts Details
  • Product line: PRO+
  • Diameter [mm]: 288
  • Brake Disc Type: internally vented
  • Surface: Coated
  • Height [mm]: 49,7
  • Brake Disc Thickness [mm]: 24,9
  • Centering Diameter [mm]: 65
  • Hole Arrangement / Number: 05 / 10
  • Wheel Bolt Bore Ø [mm]: 15,3
  • Bolt Hole Circle Ø [mm]: 112
  • Minimum thickness [mm]: 22
  • Inner Diameter [mm]: 144
  • Weight [kg]: 7,3
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: without wheel hub, without wheel bearing, without wheel studs
  • Packaging length [cm]: 30,8
  • Packaging width [cm]: 30,8
  • Packaging height [cm]: 12,7
  • Drilled: no
  • TEXTAR: Brake disc
  • Item number: 92120805
  • Condition: New
Details
TEXTAR Brake disc
Article number: 92120805
£ 54,25
(Price per item)
price incl. 20% VAT, excl. delivery costs
MAPCO 25560 Brake disc Rear Axle, 269x10mm, 5x100, solid
Parts Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 269
  • Brake Disc Type: solid
  • Brake Disc Thickness [mm]: 10
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 100
  • Minimum thickness [mm]: 9
  • Drilled: no
  • MAPCO: Brake disc
  • Item number: 25560
  • Condition: New
Details
MAPCO Brake disc
Article number: 25560
£ 13,53
(Price per item)
price incl. 20% VAT, excl. delivery costs
BREMBO XTRA LINE 09.A200.1X Brake disc 310x22mm, 5, perforated/vented, Coated, High-carbon
Parts Details
  • Product line: XTRA LINE
  • Diameter [mm]: 310
  • Brake Disc Type: perforated / vented
  • Surface: Coated
  • Height [mm]: 48
  • Brake Disc Thickness [mm]: 22
  • Centering Diameter [mm]: 65
  • Number of Holes: 5
  • Minimum thickness [mm]: 20,5
  • Tightening Torque [Nm]: 120
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: yes
  • BREMBO: Brake disc
  • Item number: 09.A200.1X
  • Condition: New
Details
BREMBO Brake disc
Article number: 09.A200.1X
£ 92,32
(Price per item)
price incl. 20% VAT, excl. delivery costs
BREMBO XTRA LINE 09.9772.1X Brake disc 312x25mm, 5, perforated/vented, Coated, High-carbon
Parts Details
  • Product line: XTRA LINE
  • Diameter [mm]: 312
  • Brake Disc Type: perforated / vented
  • Surface: Coated
  • Height [mm]: 50
  • Brake Disc Thickness [mm]: 25
  • Centering Diameter [mm]: 65
  • Number of Holes: 5
  • Minimum thickness [mm]: 22,8
  • Tightening Torque [Nm]: 120
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: yes
  • BREMBO: Brake disc
  • Item number: 09.9772.1X
  • Condition: New
Details
BREMBO Brake disc
Article number: 09.9772.1X
£ 86,19
(Price per item)
price incl. 20% VAT, excl. delivery costs
525158 ATE PowerDisc 24.0325-0158.1 Brake disc 312,0x25,0mm, 5x112,0, Vented, Coated, High-carbon
Parts Details
  • Product line: PowerDisc
  • Diameter [mm]: 312,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 49,9
  • Brake Disc Thickness [mm]: 25,0
  • Centering Diameter [mm]: 65,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 22,0
  • Inner Diameter [mm]: 146,0
  • Machining: High-carbon
  • MAPP code available
  • No. of holes 2: 9
  • Test Mark: E1 90R-02C0858 / 1214
  • Bore Ø [mm]: 15,3
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0325-0158.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0325-0158.1
£ 81,51
(Price per item)
price incl. 20% VAT, excl. delivery costs
425113 ATE 24.0125-0113.1 Brake disc 288,0x25,0mm, 5x100,0, Vented, Coated, High-carbon
Parts Details
  • Diameter [mm]: 288,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 34,5
  • Brake Disc Thickness [mm]: 25,0
  • Centering Diameter [mm]: 65,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 100,0
  • Minimum thickness [mm]: 22,0
  • Inner Diameter [mm]: 136,0
  • Machining: High-carbon
  • MAPP code available
  • Test Mark: E1 90R-02C0118 / 0066
  • Bore Ø [mm]: 15,6
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0125-0113.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0125-0113.1
£ 52,75
(Price per item)
price incl. 20% VAT, excl. delivery costs
420195 ATE 24.0120-0195.1 Brake disc 300,0x20,0mm, 5x120,0, Vented, Coated, High-carbon
Parts Details
  • Diameter [mm]: 300,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 66,0
  • Brake Disc Thickness [mm]: 20,0
  • Centering Diameter [mm]: 75,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 120,0
  • Minimum thickness [mm]: 18,4
  • Inner Diameter [mm]: 160,8
  • Machining: High-carbon
  • MAPP code available
  • Test Mark: E1 90R-02C0296 / 0746
  • Bore Ø [mm]: 14,5
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0120-0195.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0120-0195.1
£ 53,03
(Price per item)
price incl. 20% VAT, excl. delivery costs
430225 ATE 24.0130-0225.1 Brake disc 340,0x30,0mm, 5x112,0, Vented, Coated, High-carbon
Parts Details
  • Diameter [mm]: 340,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 49,6
  • Brake Disc Thickness [mm]: 30,0
  • Centering Diameter [mm]: 65,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 27,0
  • Inner Diameter [mm]: 145,0
  • Machining: High-carbon
  • MAPP code available
  • No. of holes 2: 9
  • Test Mark: E1 90R-02C0115 / 0407
  • Bore Ø [mm]: 15,3
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0130-0225.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0130-0225.1
£ 107,29
(Price per item)
price incl. 20% VAT, excl. delivery costs
426165 ATE 24.0126-0165.1 Brake disc 276,0x26,0mm, 5x105,0, Vented, Coated
Parts Details
  • Diameter [mm]: 276,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 45,5
  • Brake Disc Thickness [mm]: 26,0
  • Centering Diameter [mm]: 60,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 105,0
  • Minimum thickness [mm]: 23,0
  • Inner Diameter [mm]: 139,0
  • MAPP code available
  • Test Mark: E1 90R-02C0115 / 0352
  • Bore Ø [mm]: 14,2
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0126-0165.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0126-0165.1
£ 63,17
(Price per item)
price incl. 20% VAT, excl. delivery costs
425110 ATE 24.0125-0110.1 Brake disc 288,0x25,0mm, 5x112,0, Vented, Coated, Alloyed/High-carbon
Parts Details
  • Diameter [mm]: 288,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 46,5
  • Brake Disc Thickness [mm]: 25,0
  • Centering Diameter [mm]: 67,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 22,4
  • Inner Diameter [mm]: 154,3
  • Machining: Alloyed / High-carbon
  • MAPP code available
  • Test Mark: E1 90R-02C0115 / 0008
  • Bore Ø [mm]: 13,2
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0125-0110.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0125-0110.1
£ 41,94
(Price per item)
price incl. 20% VAT, excl. delivery costs
98200 0825 0 1 PRO TEXTAR PRO 92082503 Brake disc 230x9mm, 05/06x100, solid, Coated
Parts Details
  • Product line: PRO
  • Diameter [mm]: 230
  • Brake Disc Type: solid
  • Surface: Coated
  • Height [mm]: 39,5
  • Brake Disc Thickness [mm]: 9
  • Centering Diameter [mm]: 65
  • Hole Arrangement / Number: 05 / 06
  • Wheel Bolt Bore Ø [mm]: 15,8
  • Bolt Hole Circle Ø [mm]: 100
  • Minimum thickness [mm]: 7
  • Inner Diameter [mm]: 124,2
  • Weight [kg]: 2,7
  • Supplementary Article / Supplementary Info Info 2: without wheel hub, without wheel bearing, without wheel studs
  • Packaging length [cm]: 24,8
  • Packaging width [cm]: 24,8
  • Packaging height [cm]: 10,5
  • Drilled: no
  • TEXTAR: Brake disc
  • Item number: 92082503
  • Condition: New
Details
TEXTAR Brake disc
Article number: 92082503
£ 21,30
(Price per item)
price incl. 20% VAT, excl. delivery costs
432100 ATE 24.0132-0100.1 Brake disc 322,0x32,0mm, 5x112,0, perforated/vented, Coated, Alloyed/High-carbon
Parts Details
  • Diameter [mm]: 322,0
  • Brake Disc Type: perforated / vented
  • Surface: Coated
  • Height [mm]: 64,5
  • Brake Disc Thickness [mm]: 32,0
  • Centering Diameter [mm]: 67,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 30,0
  • Inner Diameter [mm]: 154,3
  • Machining: Alloyed / High-carbon
  • MAPP code available
  • Test Mark: E1 90R-02C0640 / 1129
  • Bore Ø [mm]: 15,2
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Drilled: yes
  • ATE: Brake disc
  • Item number: 24.0132-0100.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0132-0100.1
£ 90,24
(Price per item)
price incl. 20% VAT, excl. delivery costs
430114 ATE 24.0130-0114.1 Brake disc 308,0x29,5mm, 5x120,0, Vented, Coated, High-carbon
Parts Details
  • Diameter [mm]: 308,0
  • Brake Disc Type: Vented
  • Surface: Coated
  • Height [mm]: 55,6
  • Brake Disc Thickness [mm]: 29,5
  • Centering Diameter [mm]: 76,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 120,0
  • Minimum thickness [mm]: 25,5
  • Inner Diameter [mm]: 154,6
  • Machining: High-carbon
  • MAPP code available
  • Test Mark: E1 90R-02C0115 / 0880
  • Bore Ø [mm]: 16,6
  • Drilled: no
  • ATE: Brake disc
  • Item number: 24.0130-0114.1
  • Condition: New
Details
ATE Brake disc
Article number: 24.0130-0114.1
£ 56,50
(Price per item)
price incl. 20% VAT, excl. delivery costs
ZIMMERMANN FORMULA Z COAT Z 100.3363.75 Brake disc 380x36mm, 6/5, 5x112, Vented, two-part brake disc, Coated, Alloyed/High-carbon
Parts Details
  • Product line: FORMULA Z COAT Z
  • Diameter [mm]: 380
  • Brake Disc Type: Vented, two-part brake disc
  • Surface: Coated
  • Height [mm]: 52
  • Brake Disc Thickness [mm]: 36
  • Centering Diameter [mm]: 68
  • Rim Hole Number: 5
  • Hole Arrangement / Number: 6 / 5
  • Bolt Hole Circle Ø [mm]: 112
  • Minimum thickness [mm]: 34
  • Weight [kg]: 13,40
  • Machining: Alloyed / High-carbon
  • Quality: Alu-Topf schwimmend, Alu hub floating
  • Test Mark: ECE R90 APPROVED
  • Drilled: no
  • ZIMMERMANN: Brake disc
  • Item number: 100.3363.75
  • Condition: New
Details
ZIMMERMANN Brake disc
Article number: 100.3363.75
£ 298,13
(Price per item)
price incl. 20% VAT, free delivery

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