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Brake Booster

Have a hard brake pedal? Taking you longer to stop? Replace your brake booster to restore functionality to your braking system.
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Brake Booster Servo Unit - E46 323i, 325i 328i, 330i
Brake Booster Servo Unit - E46 323i, 325i 328i, 330i
ATE - Corporate Logo
T#:20886
Part#: 34336779682
Ships in 1 day
$ 329.10

This product was last offered at the strikethrough price on
08-13-2026

$ 284.98 USD
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$ 284.98 USD
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This ATE Brand brake booster is a direct replacement for the factory BMW vacuum assited brake booster servo unit on E46 3 series models.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
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TRW Brake Booster - E60, E61, E63, E64
TRW Brake Booster - E60, E61, E63, E64
TRW - Corporate Logo
T#:592494
Part#: 34336779742
Ships in 1-2 days
$ 327.99 USD
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$ 327.99 USD
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Make sure you car stops on a dime by replacing a faulty or leaky brake booster
TRW Brake Booster - E53
TRW Brake Booster - E53
TRW - Corporate Logo
T#:374811
Part#: 34336760461
Ships in 1 day
$ 414.93 USD
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$ 414.93 USD
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Restore proper braking performance
Hella Vacuum Pump - E90, E92, E93
Hella Vacuum Pump - E90, E92, E93
Hella - Corporate Logo
T#:592491
Part#: 34332283333
Ships in 1 Business Day
$ 460.99 USD
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$ 460.99 USD
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Replace your failed brake booster to restore braking power
Brake Booster
Brake Booster
ATE - Corporate Logo
T#:594506
Part#: 34336779681
Ships in 1 Business Day
$ 345.18 USD
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$ 345.18 USD
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Power Brake Booster
Power Brake Booster
TRW - Corporate Logo
T#:594031
Part#: 34326779736
Ships in 1 Business Day
$ 426.06 USD
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$ 426.06 USD
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Includes sealing o-ring and master cylinder to brake booster nuts.
ATE Vacuum Pump - E82, E84, E90, E91, E92
ATE Vacuum Pump - E82, E84, E90, E91, E92
ATE - Corporate Logo
T#:1195882
Part#: 34336779721
Ships in 1 day
$ 402.99

This product was last offered at the strikethrough price on
05-07-2026

$ 391.99 USD
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$ 391.99 USD
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Replace your failed brake booster to restore braking power
ATE Brake Booster - E36
ATE Brake Booster - E36
ATE - Corporate Logo
T#:16441603
Part#: 34331162963
In Stock
$ 258.99

This product was last offered at the strikethrough price on
09-27-2026

$ 233.99 USD
Limited Qty Sale
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$ 258.99

This product was last offered at the strikethrough price on
09-27-2026

$ 233.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
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Has your brake pedal become stiff and hard to depress, or goes right to the floor with no pressure or feel, most likely the brake booster unit has failed. Replace the brake booster right away to restore proper braking performance.
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TRW Brake Booster - F25/F26 X3/X4
TRW Brake Booster - F25/F26 X3/X4
TRW - Corporate Logo
T#:23615512
Part#: 193321071931
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$ 330.99 USD
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$ 330.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - F10 5-Series
Brake Booster - F10 5-Series
TRW - Corporate Logo
T#:25142295
Part#: 34336792956
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$ 296.99 USD
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$ 296.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Brake Booster - E90/E82/E84 - 1 Series/ 3 Series/ X1 - 28i
TRW Brake Booster - E90/E82/E84 - 1 Series/ 3 Series/ X1 - 28i ...
TRW - Corporate Logo
T#:23615517
Part#: 193321071832
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$ 327.99 USD
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$ 327.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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ATE O-Ring - E10, E12, E21, E24, E28, E3, E30, E9
ATE O-Ring - E10, E12, E21, E24, E28, E3, E30, E9
ATE - Corporate Logo
T#:1196093
Part#: 34314650345
Ships in 1 Business Day
$ 4.99 USD
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$ 4.99 USD
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Seals the brake master cylinder to the power brake booster.
OE ATE Power Brake Booster - E23
OE ATE Power Brake Booster - E23
ATE - Corporate Logo
T#:19697
Part#: 34331152825
Ships in 1 Business Day
$ 1,565.99 USD
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$ 1,565.99 USD
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As you depress the brake pedal, your pedal linkage causes a shaft to move forward in response to your foot, and as this shaft moves forward, it interacts with the brake booster and master cylinder. The brake booster contains a diaphragm that separates its interior into two parts, with both in a partial vacuum. As the brake pedal is depressed, it causes a valve inside the booster to open, which in turn allows air into one side of the booster. This difference in pressure on one side helps to push the piston inside the brake master cylinder forward in response to the brake pedal, which in turn slows and stops your vehicle. If your brakes are feeling soft then it may be a good idea to replace your brake booster
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TRW Brake Booster - E82/E84/E90 - 1-Series/ X1/ 3-Series
TRW Brake Booster - E82/E84/E90 - 1-Series/ X1/ 3-Series
TRW - Corporate Logo
T#:23615518
Part#: 193321071863
Ships in 2 Business Days
$ 324.99 USD
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$ 324.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Brake Booster - F25 X3
TRW Brake Booster - F25 X3
TRW - Corporate Logo
T#:23615510
Part#: 193321071917
Back Ordered
$ 205.99 USD
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$ 205.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - F10 M5/ F13 M6
Brake Booster - F10 M5/ F13 M6
TRW - Corporate Logo
T#:23615508
Part#: 193321071955
Ships in 2 Business Days
$ 517.99 USD
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$ 517.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Brake Booster - E83 X3 LCI
TRW Brake Booster - E83 X3 LCI
TRW - Corporate Logo
T#:23615511
Part#: 193321071825
Back Ordered
$ 372.99 USD
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$ 372.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - F10 M5/ F12 M6
Brake Booster - F10 M5/ F12 M6
TRW - Corporate Logo
T#:25042538
Part#: 193321071962
Ships in 2 Business Days
$ 348.99 USD
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$ 348.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Brake Booster - Z3 E36
TRW Brake Booster - Z3 E36
TRW - Corporate Logo
T#:23615507
Part#: 193321071788
Ships in 2 Business Days
$ 542.99 USD
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$ 542.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Power Brake Booster - E83 X3
TRW Power Brake Booster - E83 X3
TRW - Corporate Logo
T#:16873825
Part#: 34333450589
Ships in 1 Business Day
$ 528.99

This product was last offered at the strikethrough price on
05-08-2026

$ 513.99 USD
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$ 513.99 USD
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When a brake booster is failing you may see braking effort increases. The engine runs poorly or stalls with force on the brake pedal. If the brake booster is in fact faulty it is highly recommended to replace it as soon as possible.
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ATE Check Valve Gasket - E46, E82, E88, E90, E91, E92, E93, Z3, Z4
ATE Check Valve Gasket - E46, E82, E88, E90, E91, E92, E93, Z3, Z4 ...
ATE - Corporate Logo
T#:8105
Part#: 34336765316
Ships in 1-2 days
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD
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$ 2.99 USD
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BMW BRAKES GASKET 34336765316
Brake Booster 300228
Brake Booster 300228
ATE - Corporate Logo
T#:27905126
Part#: 34336779679
Ships in 3 Business Days
$ 183.99 USD
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$ 183.99 USD
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Brake Booster - E46 3-Series
Brake Booster - E46 3-Series
TRW - Corporate Logo
T#:25142292
Part#: 34336779682
Back Ordered
$ 292.99 USD
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$ 292.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - E70/E71 X5/X6
Brake Booster - E70/E71 X5/X6
TRW - Corporate Logo
T#:23615509
Part#: 193321071856
Back Ordered
$ 392.99 USD
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$ 392.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - E60 5-Series - 04'/05'
Brake Booster - E60 5-Series - 04'/05'
TRW - Corporate Logo
T#:25142289
Part#: 193321071849
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$ 377.99 USD
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$ 377.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Brake Booster - E36 3-series
Brake Booster - E36 3-series
TRW - Corporate Logo
T#:25142287
Part#: 193321071672
Back Ordered
$ 193.99 USD
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$ 193.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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TRW Brake Booster - E53 X5
TRW Brake Booster - E53 X5
TRW - Corporate Logo
T#:23615513
Part#: 193321071764
Back Ordered
$ 263.99 USD
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$ 263.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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