How to inspect and replace brake hoses and Brake Line?

About every six months, inspect the flexible hoses that connect the steel brake lines with the front and rear brake assemblies for cracks, chafing, leaks, blisters, and other damage. Use a light and mirror for a thorough check. If any defects are found, replace the hose with a new one. Clean dirt away from the hose ends. To remove a brake hose, unscrew the tube nut with a flare-nut wrench and remove the bolt(s) or clip(s) securing the hose to the body. Disconnect the hose from the caliper, discarding the sealing washers. Attach the new hose to the caliper using new sealing washers and tighten the banjo fitting bolt. Install the hose, ensuring it isn't twisted, and check for contact with suspension or steering components. Bleed the brake system and test the brakes before normal operation. When replacing brake lines, use the correct steel parts and avoid using copper tubing. Prefabricated brake lines with flared tube ends and fittings can be bent to the proper shapes using a tubing bender. Ensure the new line is well supported and has clearance from moving or hot components. After installation, check the master cylinder fluid level, add fluid if necessary, bleed the brake system, and test the brakes before normal operation.

Genuine BMW 330i Brake Line

Brake Hose

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13 Brake Lines found

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BMW 330i Brake Hose Rear
Part Number: 34306792253
$27.86 MSRP: $42.35
You Save: $14.49 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Rear
- Replaces: 34-30-6-789-431, 34-30-6-768-851
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
- 2006 BMW 330i | Sedan(E90)
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BMW 330i Brake Hose Rear
Part Number: 34306798523
$27.86 MSRP: $42.35
You Save: $14.49 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Flex Hose
- Position: Rear
- Replaces: 34-30-6-789-433, 34-30-6-762-838
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i BRAKE HOSE FRONT
Part Number: 34306879281
$41.77 MSRP: $63.50
You Save: $21.73 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW 330i | Sedan(G20)
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BMW 330i Brake Hose Front
Part Number: 34306792254
$39.79 MSRP: $60.50
You Save: $20.71 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
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BMW 330i Brake Hose Front
Part Number: 34306767458
$68.83 MSRP: $106.39
You Save: $37.56 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
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BMW 330i BRAKE HOSE REAR
Part Number: 34306879284
$29.23 MSRP: $44.44
You Save: $15.21 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Flex Hose
- Position: Rear
- Replaced by: 34308836561
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW 330i | Sedan(G20)
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BMW 330i BRAKE HOSE REAR
Part Number: 34308836561
$29.23 MSRP: $44.44
You Save: $15.21 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Rear
- Replaces: 34-30-6-879-284
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2023 BMW 330i | 4 Cyl 2.0 L GAS
View related parts
BMW 330i BRAKE HOSE REAR
Part Number: 34308836562
$29.23 MSRP: $44.44
You Save: $15.21 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Rear
- Replaces: 34-32-6-895-386
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW 330i | 4 Cyl 2.0 L GAS
View related parts
BMW 330i BRAKE HOSE REAR
Part Number: 34326895386
$29.23 MSRP: $44.44
You Save: $15.21 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Rear
- Replaced by: 34308836562
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW 330i | Sedan(G20)
View related parts
BMW 330i Brake Hose Rear
Part Number: 34301165174
$37.81 MSRP: $57.48
You Save: $19.67 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Rear
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 330i | Sedan(E46)
View related parts
BMW 330i Brake Hose Front
Part Number: 34306790550
$39.79 MSRP: $60.50
You Save: $20.71 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Front
- Replaces: 34-30-6-771-720
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 330i | Sedan(E90)
View related parts
BMW 330i Brake Hose Front
Part Number: 34326766966
$40.46 MSRP: $61.52
You Save: $21.06 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Front
- Replaces: 34-32-1-165-587
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 330i | Sedan(E46)
View related parts
BMW 330i BRAKE HOSE FRONT
Part Number: 34326895385
$41.77 MSRP: $63.50
You Save: $21.73 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Hose, Flex Hose
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2024 BMW 330i | 4 Cyl 2.0 L GAS, Sedan(G20)

BMW 330i Brake Line

The Brake Line in BMW 330i cars is a vital component since it channels the brake fluid from the master cylinder toward the brake caliper pistons. This component is crucial in the provision of Hydraulic braking since it helps to apply the required hydraulic pressure every time the brake pedal is pushed to engage the pads or shoes with the rotor or drum. A similar case applies to the Brake Line because any problem, which may occur, will cause a reduction on the pressure and therefore a poor braking system. Thus, the maintenance and inspection of Brake Line plays a significant role in achieving the BMW 330i's maximum safety and performance.

If you are looking for OEM BMW 330i Brake Line, we highly recommend to shop with us. Not only do we offer the most budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 330i Brake Line that come backed by the manufacturer's warranty.

BMW 330i Brake Line Parts Questions & Experts Answers

Brake Hose Front
34-30-6-767-458
Q: How to inspect and replace brake hoses and Brake Line?
A: About every six months, inspect the flexible hoses that connect the steel brake lines with the front and rear brake assemblies for cracks, chafing, leaks, blisters, and other damage. Use a light and mirror for a thorough check. If any defects are found, replace the hose with a new one. Clean dirt away from the hose ends. To remove a brake hose, unscrew the tube nut with a flare-nut wrench and remove the bolt(s) or clip(s) securing the hose to the body. Disconnect the hose from the caliper, discarding the sealing washers. Attach the new hose to the caliper using new sealing washers and tighten the banjo fitting bolt. Install the hose, ensuring it isn't twisted, and check for contact with suspension or steering components. Bleed the brake system and test the brakes before normal operation. When replacing brake lines, use the correct steel parts and avoid using copper tubing. Prefabricated brake lines with flared tube ends and fittings can be bent to the proper shapes using a tubing bender. Ensure the new line is well supported and has clearance from moving or hot components. After installation, check the master cylinder fluid level, add fluid if necessary, bleed the brake system, and test the brakes before normal operation.

Related BMW 330i Parts

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