| BMW E39 Brake Hydraulics - Page 4 |
Brake Booster  |
| The brake booster is a particularly expensive piece to replace. There is only one manufacturer of these, and they price them in the stratosphere. The good news is that these don't usually need to be replaced. Used on cars with power brakes, they use vacuum pressure from the engine to assist in the movement of the master cylinder. |
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| 34-33-1-165-541-BOE | Brake Booster, 525i Sedan/Touring (2001-03), 528i Sedan/Touring (09/97-00), 530i (2001-03), 540i Sedan/Touring (09/97-03) Brand: Genuine BMW | $568.00 |  |
| 34-33-1-163-404-BOE | Brake Booster, 528i Sedan/Touring (1996-09/97) Brand: Genuine BMW | $568.00 |  |
| 34-33-1-163-402-BOE | Brake Booster, 540i Sedan/Touring (1996-09/97) Brand: Genuine BMW | $568.00 |  |
| Brake Booster Hose |
 34-33-1-115-926-M20 | Brake Booster Hose (sold per meter), E39 528i, 528i Wagon, 540i (through 8/98) Brand: Cohline [Photo] |  |
| $15.25 |  |
Master Cylinders  |
| Are your brakes feeling a bit spongy? Feel like the pedal is pressing into a large vat of cottage cheese? It may very well be that your master cylinder is worn out. Replace it with a brand new one! The seals inside the master cylinder act like check valves and age with time, thus letting fluid leak past when compressing, causing the brakes to feel spongy. |
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 34-31-1-165-543-M134 | Master Cylinder For Cars without DSC (Dynamic Stability Control), 525i Sedan/Touring (2001-03), 528i Sedan/Touring (09/97-00), 530i (2001-03), 540i Sedan/Touring (09/97-08/98) Brand: Lucas [Photo] |  |
| $114.50 |  |
 34-31-1-165-544-M134 | Master Cylinder For Cars with DSC (Dynamic Stability Control), 525i Sedan/Touring (2001-03), 528i Sedan/Touring (09/97-00), 530i (2001-03) 540i Sedan/Touring (09/98-03), M5 (2000-03) Brand: Lucas [Photo] |  |
| $128.50 |  |
| Master Cylinder Support Parts |
| Redoing your entire brake system? Don't forget to replace these small parts that play an important supporting role with the master cylinder. Don't take chances with your brakes. It's important to do brake jobs right the first time. |
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| Brake Fluid Reservoirs |
| 34-32-1-165-064-BOE | Brake Fluid Reservoir With Warning Switch, 525i Sedan/Touring (2001-03), 528i Sedan/Touring (09/97-00), 530i (2001-03), 540i Sedan/Touring (09/97-00) Brand: Genuine BMW | $64.75 |  |
| 34-30-1-164-908-BOE | Brake Fluid Reservoir With Warning Switch, 528i Sedan/Touring (09/96-09/97), 540i Sedan/Touring (09/96-09/97) Brand: Genuine BMW | $64.75 |  |
| 34-32-1-161-749-BOE | Brake Fluid Reservoir Without Warning Switch, 528i Sedan/Touring (thru 09/96), 540i Sedan/Touring (thru 09/96) Brand: Genuine BMW | $101.50 |  |
| Brake Fluid Reservoir Caps |
| 34-32-1-162-434-BOE | Brake Fluid Reservoir Cap With Warning Switch, 525i Sedan/Touring (2001-03), 528i Sedan/Touring (thru 09/96), 530i (2001-03) Brand: Genuine BMW | $29.25 |  |
| 34-30-1-164-909-BOE | Brake Fluid Reservoir Cap Without Warning Switch, 528i Sedan/Touring (09/96-09/97), 540i Sedan/Touring (09/96-09/97) Brand: Genuine BMW | $30.50 |  |
| Brake Fluid Reservoir Cap Seals |
| 34-32-1-157-396-BOE | Brake Fluid Reservoir Cap Seal, BMW E39 5 Series, All Brand: Genuine BMW | $4.50 |  |
| Brake Fluid Reservoir Grommets |
 34-31-1-163-464-M134 | Brake Fluid Reservoir Grommet, 2 Per Car, BMW E39 5 Series, All, Each Brand: Lucas [Photo] |  |
| $2.25 |  |