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BMW 328i Brake Master Cylinder Parts

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Clutch hydraulic Cylinder kit

ES#3508289 - 21526785964KT - Clutch hydraulic Cylinder kit - Includes master and slave cylinder, hardware and lines including an OEM clutch line - Assembled By ECS - BMW

Includes master and slave cylinder, hardware and lines including an OEM clutch line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3508289
Mfg#:
21526785964KT
In Stock
ON SALE!
$338.99

This product was last offered at the strikethrough price on
05-02-2026

$329.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Power Brake Booster

ES#2696308 - 34336779682 - Power Brake Booster - Aids in generation of power for the braking system - ATE - BMW

Aids in generation of power for the braking system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATE - Corporate Logo
ES#:
2696308
Mfg#:
34336779682
In Stock at Vendor
$284.99

This product was last offered at the strikethrough price on
04-23-2026

$284.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Master Cylinder

ES#2702304 - 34336785664 - Master Cylinder - Direct replacement - ATE - BMW

Direct replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATE - Corporate Logo
ES#:
2702304
Mfg#:
34336785664
In Stock at Vendor
$296.34

This product was last offered at the strikethrough price on
05-09-2026

$294.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#4668846 - 11667622380 - Vacuum Pump - Direct replacement Equivalent to OE - URO - BMW

Direct replacement Equivalent to OE affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4668846
Mfg#:
11667622380
Ships in 1 Business Day
$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Booster

ES#4680268 - 34331162963 - Brake Booster - Restore proper braking performance - ATE - BMW

Restore proper braking performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATE - Corporate Logo
ES#:
4680268
Mfg#:
34331162963
Back Ordered
Auto Notify
$258.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump for Brake Booster

ES#2706232 - 11667622380 - Vacuum Pump for Brake Booster - Supplies vacuum for the brake booster - Genuine BMW - BMW

Supplies vacuum for the brake booster affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2706232
Mfg#:
11667622380
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$730.99

This product was last offered at the strikethrough price on
06-07-2026

$680.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Brake Booster

ES#61905 - 34336779682 - Power Brake Booster - Aids in generation of power for the braking system - Genuine BMW - BMW

Aids in generation of power for the braking system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61905
Mfg#:
34336779682
Ships in 6 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$699.99

This product was last offered at the strikethrough price on
06-07-2026

$673.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Brake Booster

ES#4680263 - 34331162965 - Power Brake Booster - Restore proper braking performance - ATE - BMW

Restore proper braking performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1996 with ASC+T

Brand:
ATE - Corporate Logo
ES#:
4680263
Mfg#:
34331162965
Back Ordered
Auto Notify
$331.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Master Cylinder Hose

ES#4690182 - 35006857512 - Brake Master Cylinder Hose - Replace your leaking brake master cylinder reservoir hose before low fluid level becomes a serious safety issue - URO - BMW

Replace your leaking brake master cylinder reservoir hose before low fluid level becomes a serious safety issue affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4690182
Mfg#:
35006857512
Ships in 1 Business Day
$24.99 USD
Free Shipping
on orders $49 and up

Power Brake Booster

ES#3172720 - 34337849876 - Power Brake Booster - Replace your failed brake booster to restore braking power - Genuine BMW - BMW

Replace your failed brake booster to restore braking power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with standard brake option

Brand:
Genuine BMW - Corporate Logo
ES#:
3172720
Mfg#:
34337849876
Ships in 9 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$673.99

This product was last offered at the strikethrough price on
06-07-2026

$627.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Booster

ES#61909 - 34336779733 - Vacuum Booster - Brake pedal difficult to depress? You may have a failing booster. - Genuine BMW - BMW

Brake pedal difficult to depress? You may have a failing booster. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61909
Mfg#:
34336779733
Ships in 6 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$640.00

This product was last offered at the strikethrough price on
06-07-2026

$596.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Master Cylinder

ES#2805046 - 34337849878 - Brake Master Cylinder - Direct OEM replacement. - Genuine BMW - BMW

Direct OEM replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with M Sport Brakes

Brand:
Genuine BMW - Corporate Logo
ES#:
2805046
Mfg#:
34337849878
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$630.99

This product was last offered at the strikethrough price on
06-07-2026

$587.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Master Cylinder

ES#2584076 - 34336851095 - Brake Master Cylinder - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without M Sport Brakes

Brand:
Genuine BMW - Corporate Logo
ES#:
2584076
Mfg#:
34336851095
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$620.99

This product was last offered at the strikethrough price on
06-07-2026

$577.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pin - Priced Each

ES#4003673 - 35006878304 - Pin - Priced Each - Pin for Master Cylinder - Genuine BMW - BMW MINI

Pin for Master Cylinder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4003673
Mfg#:
35006878304
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$7.14

This product was last offered at the strikethrough price on
06-07-2026

$6.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#3191211 - 34336779721 - Vacuum Pump - Replace your failed brake booster to restore braking power - ATE - BMW

Replace your failed brake booster to restore braking power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2007

Brand:
ATE - Corporate Logo
ES#:
3191211
Mfg#:
34336779721
Ships in 1 day
$402.99

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

$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Master Cylinder Reservoir

ES#61196 - 34326751589 - Brake Master Cylinder Reservoir - Featuring an integrated level sensor - Genuine BMW - BMW

Featuring an integrated level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61196
Mfg#:
34326751589
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$132.99

This product was last offered at the strikethrough price on
06-07-2026

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Brake Master Cylinder Parts

The master cylinder is the heart of the brake hydraulic system. ECS stocks master cylinders and related brake system parts like boosters and fluid reservoirs, from both OE suppliers and name-brand aftermarket sources.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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