| BMW E46 Brake Hydraulics - Page 4 |
Brass Caliper Bushings |
| These brass bushings replace the OE rubber bushings, reducing flex in the calipers, resulting in better contact of the pad against the rotor during hard braking. For performance use only. |
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 88-5580-038-M230 | Brass Brake Caliper Guide Bushing Set, 1 set per 2 calipers (4 Bushings Per Set), for track/race cars only, BMW E46 3 Series all Brand: Domestic Aftermarket [More Info] |  |
| $46.75 |  |
Caliper Rebuild Grease  |
| Brake calipers can operate at greater than 1000 degrees Fahrenheit. When rebuilding your calipers, make sure that you use specially formulated grease that will not break down under the stress of the braking system. Place the grease on the side of the caliper away from the pads, to avoid having the grease be a collector of brake dust. Also helps to avoid caliper sticking, seizure, and rust when the car is sitting for long periods of time (winter storage). Brand may vary. |
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 700014-M4 | Caliper Rebuild Grease, Plastilube Assembly Lubricant (35 ml tube) Brand: Ate [More Info] |  |
| $6.50 |  |
 83-19-2-158-851-M9 | Brake Assembly Lubricant, "Plastilube" For squeaky brakes. (3 Gram Packet), Each Brand: Genuine BMW [More Info] |  |
| $2.25 |  |
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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| Brake Boosters |
 34-33-6-779-682-M4 | Brake Booster (Vacuum Type), BMW E46 3 Series, All Except M3 (1999-05), Each Brand: Ate [More Info] |  |
| $179.00 |  |
| 34-33-2-282-193-BOE | Brake Booster, Does Not Include Master Cylinder, M3 (2001-06), Each Brand: Genuine BMW [More Info] | $491.00 |  |
| Brake Booster Support Parts |
 34-33-1-161-300-M9 | Brake Booster Check Valve (Vacuum Hose Connection), 323i/Ci/iC (2001-05), 328i/Ci (1999-00), M3 (2001-06), Each Brand: Genuine BMW [More Info] |  |
| $11.75 |  |
 34-33-1-160-183-M9 | Brake Booster Check Valve (Vacuum Hose Connection), 325i/Ci/iC/Xi (2001-05), 330i/Ci/iC/Xi (2001-05), Each Brand: Genuine BMW [More Info] |  |
| $9.50 |  |
| 34-33-1-158-929-BOE | Brake Booster Check Valve Gasket, M3 (2001-06), Each Brand: Genuine BMW [More Info] | $5.00 |  |
 35-11-1-165-132-M9 | Brake Booster Base Gasket, M3 (2001-06), Each Brand: Genuine BMW [More Info] |  |
| $5.00 |  |
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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| Master Cylinders (Cars without DSC) |
| 34-31-1-165-582-BOE | Master Cylinder, 323i/Ci/iC (1999-00), 325i/Ci/iC (2001-05), 328i/Ci (1999-00), Each Brand: Genuine BMW [More Info] | $448.75 |  |
| 34-31-6-757-839-BOE | Master Cylinder, 330i/Ci/iC (9/01-05), Each Brand: Genuine BMW [More Info] | $448.75 |  |
| Master Cylinders (Cars with DSC) |
 34-31-6-750-642-M4 | Master Cylinder, E46 323Ci Cpe/Conv (through 8/00), 323i Sedan/Wagon (through 8/00), 328i/Ci (through 8/00), Each Brand: Ate [More Info] |  |
| $201.25 |  |
| Master Cylinder, E46 325i/Ci with DSC (from 2/01), 330i/Ci with DSC, Each |
| 34-33-6-785-666-M9 | Master Cylinder, E46 325i/Ci with DSC (from 2/01), 330i/Ci with DSC, Each Brand: Genuine BMW [More Info] | No Longer Available | |
 34-33-6-785-666-M695 | Master Cylinder, E46 325i/Ci with DSC (from 2/01), 330i/Ci with DSC, Each Brand: Metelli [More Info] |  |
| $80.75 |  |
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| 34-31-6-751-442-BOE | Master Cylinder, 325Xi (2001-05), 330Xi (2001-05), Each Brand: Genuine BMW [More Info] | $448.75 |  |
| 34-31-2-282-343-BOE | Master Cylinder, M3 (2001-06), Each Brand: Genuine BMW [More Info] | $448.75 |  |
| 34-31-1-160-617-BOE | Master Cylinder O-Ring, From Master Cylinder to Brake Booster, BMW E46 3 Series, All, Brand: Genuine BMW [More Info] | $8.00 |  |