Hydraulic System for 2018 BMW i3
No.
Part # / Description / Price
Price
2
Master Cylinder O-Ring 
BMW
BMW Notes: PARTS: Part included with master cylinder.
Description: Without m, 2014-21. Without M4. 2.0 & 3.0L. 2018-23. 2016-22. Without m, 2022-25. With m, 2016-21. Sedan, without 330e. Sedan, without M3.
MSRP $8.50
$7.51
MSRP $8.50
$7.51
3
Reservoir Grommet BMW
BMW Notes: PARTS: Part included with master cylinder.
Description: 2016-22. With M4. With m model. All, 2022-23. Sedan, without M3. Sedan/wagon, without 330e.
Grommet used to mount the brake master cylinder reservoir to the brake master cylinder.
Grommet used to mount the brake master cylinder reservoir to the brake master cylinder.
MSRP $6.22
$5.50
MSRP $6.22
$5.50
4
Brake Master Cylinder Nut BMW
BMW Notes: PARTS: Part included with master cylinder.
Description: 2016-22. With hybrid. With 2.0L. With m model. Sedan/wagon, without 330e.
MSRP $6.42
$5.68
MSRP $6.42
$5.68
5
Brake Master Cylinder Reservoir BMW
BMW Description: I3. I3s.
A holding container that supplies fluid for the Brake Master Cylinder.
A holding container that supplies fluid for the Brake Master Cylinder.
7
Reservoir Cap BMW
BMW Notes: PARTS: Part included with reservoir assembly.
Description: Without M4. 2016-22. With m model. All, 2022-23. Sedan, without 330e. Sedan, without M3.
A cap / lid / cover used to seal / close off the reservoir fill opening of a brake master cylinder reservoir to contain brake fluid.
A cap / lid / cover used to seal / close off the reservoir fill opening of a brake master cylinder reservoir to contain brake fluid.
MSRP $11.19
$11.13
MSRP $11.19
$11.13
8
Level Indicator BMW
BMW Notes: PARTS: Part included with reservoir assembly.
Description:
Brake Fluid Level Switch.
Brake Fluid Level Switch.
MSRP $35.97
$30.74
MSRP $35.97
$30.74
11
Pressure Sensor BMW
BMW Description:
A sensor that detects the vacuum level in the power brake booster to ensure proper power brake operation, typically located in the vacuum line from the vacuum pump to the brake booster.
A sensor that detects the vacuum level in the power brake booster to ensure proper power brake operation, typically located in the vacuum line from the vacuum pump to the brake booster.
MSRP $244.27
$191.58
MSRP $244.27
$191.58
13
Genuine BMW Discharge Hose - 34-33-6-857-232 BMW
BMW Description: This genuine BMW Discharge Hose (part number 34-33-6-857-232) forms part of the engine assembly, supporting reliable combustion, sealing or airflow under sustained heat and vibration. Built to factory specification, this genuine component avoids the fitment and durability compromises common with aftermarket alternatives. Verify this part number suits your model and build date before ordering.
14
Genuine BMW Vacuum Pump - 34-33-6-857-405 BMW
BMW Description: I3. I3s. This genuine BMW Vacuum Pump (part number 34-33-6-857-405) is a genuine BMW replacement component supplied to original factory specification. Supplied to original BMW specification for correct fitment, consistent quality and predictable service life. Verify this part number suits your model and build date before ordering.
MSRP $767.32
$601.81
MSRP $767.32
$601.81