Change Car Front Brake Discs and Pads BMW 5-Series
Change Car Front Brake Discs and Pads
| Estimated time | 1h30–17h00 |
|---|---|
| Estimated labour cost | ~150–1700£ |
| Difficulty | Easy |
| Vehicles |
5-Series 1987-1997 6
5-Series 1996-2004 20
5-Series 2003-2011 30
5-Series 2009-2017 35
5-Series 2017-2025 33
|
| Renew both front brake discs | 1h30–17h00 |
| Renew both rear brake discs | 1h30–20h00 |
What is the role of brake discs and pads on a BMW 5-Series?
When you press the brake pedal, hydraulic pressure pushes the brake caliper pistons, which press the brake pads against the rotating discs. Through friction, kinetic energy is converted into heat, slowing the vehicle.
When should you change the BMW 5-Series front brake discs?
Brake discs should be measured with a micrometer; if below minimum thickness stamped on the disc, replacement is mandatory. Discs typically last 60,000–80,000 km. Always replace discs in pairs.
Why change discs and pads together on the BMW 5-Series?
It is strongly recommended to change discs and pads together to ensure optimal braking performance. New pads on worn discs will not bed in properly, leading to reduced braking efficiency, noise, and uneven wear.
Is it difficult to change BMW 5-Series front brake discs and pads?
Difficulty level 2/5: technically easy. Key steps: raise the vehicle, remove the wheel, unbolt the caliper and bracket, slide off the old disc, clean the hub face, fit the new disc, refit the bracket and caliper with new pads. Pump the brake pedal before driving.
6 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| 5-Series 1981-1988 | 1981-1988 | 518 Petrol (M10B18), 518i Petrol (M10B18), 520i Petrol (M20B20), 520i Petrol (M20B20), 524td Diesel (M21D24), 525e Petrol (M20B27), 525i Petrol (M30B25), 528i Petrol (M30B28), 535i Petrol (M30B34), M5 Petrol (S38B35) | Diesel, Petrol |
| 5-Series 1987-1997 | 1987-1997 | 520i Petrol (M20B20M), 525i Petrol (M20B25M), 525i, -ix Petrol (M50B25), 530i Petrol (M30B30M), 535i Petrol (M30B35M), 535i Petrol (M30B35M) | Petrol |
| 5-Series 1996-2004 | 1996-2004 | 520d Diesel (M47D20 (204D1)), 520i Petrol (M52B20TU (206S4)), 520i, -LPG LPG,Petrol (M52B20 (206S3)), 520i, -LPG LPG,Petrol (M52B20TU (206S4)), 520i, -LPG LPG,Petrol (M54B22 (226S1)), 523i, -LPG LPG,Petrol (M52B25 (256S3)), 523i, -LPG LPG,Petrol (M52B25TU (256S4)), 525d Diesel (… | Diesel, LPG, Petrol |
| 5-Series 2003-2011 | 2003-2011 | 520d Diesel (M47D20T2), 520d Diesel (N47D20A), 520d Diesel (N47D20C), 520i (120/125 kW) Petrol (N43B20A), 520i Petrol (M54B22), 520i Petrol (N46B20B), 523i Petrol (N52B25A), 523i, -LPG LPG,Petrol (N52B25A), 523i, -LPG LPG,Petrol (N53B25A), 525d Diesel (M57D25TU), 525d Diesel (M5… | Diesel, LPG, Petrol |
| 5-Series 2009-2017 | 2009-2017 | 518d Diesel (B47D20A), 518d Diesel (N47D20C), 520d Diesel (B47D20A), 520d Diesel (N47D20C), 520d, -xDrive Diesel (N47D20C), 520d, -xDrive M Performance Diesel (B47D20A), 520d, -xDrive M Performance Diesel (N47D20C), 520d,-xDrive Diesel (B47D20A), 520i Petrol (N20B16A), 520i Petr… | Diesel, Petrol |
| 5-Series 2017-2025 | 2017-2025 | 518d Diesel (B47D20B), 518d, -mHev 48V (MHEV),Diesel (B47D20B), 520d, -mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 520d, -mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 520d, -xDrive Diesel (B47D20A), 520d, -xDrive Diesel (B47D20B), 520e Electricity,Petrol (B48B20A+GC1), 520i… | 48V (MHEV), Diesel, Electricity, Petrol |