How to remove and install the Coolant Reservoir and Cooling Hose on the BMW 330i?

If a faulty hose is found, drain the cooling system and disconnect the hose by prying up the retaining clip or loosening the hose clamps. Avoid disconnecting while the system is hot. Some models may have twist-on clamps that need to be rotated counterclockwise. Be careful when removing hoses from the radiator, and if a hose is hard to remove, rotate the ends or slit it with a knife. To install a hose, push it over the fitting until the clip locks it. Slide clips onto hoses with traditional clips before positioning. Soften stiff hoses with soapy or hot water if needed. Refill the system and check for leaks. To remove the coolant reservoir, remove the air intake duct, disconnect the hoses, remove the bolts, unclip the reservoir, and lift it. Disconnect the coolant level switch connector and remaining hose before removing the reservoir. Installation is the reverse of removal. Refill the cooling system.

Genuine BMW 330i Cooling Hose

Cooling System Hose

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Series

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

51 Cooling Hoses found

View related parts
BMW 330i Engine Radiator Hose
Part Number: 17128616528
$118.42 MSRP: $162.15
You Save: $43.73 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator-Engine; Lower Hose, Upper Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Water Coolant Hose Thermostat To Front
Part Number: 11537545890
$72.50 MSRP: $104.34
You Save: $31.84 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Cylinder Head-Thermostat
- Position: Front
- 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 Coolant Pump Hose
Part Number: 17128634285
$71.11 MSRP: $94.16
You Save: $23.05 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Coolant Pump; Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Engine Feed Radiator Upper Hose
Part Number: 17127531579
$75.25 MSRP: $99.65
You Save: $24.40 (25%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Hose, Engine Feed-Radiator Top; Lower Hose, Upper Hose
- Position: Upper
- 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 Radiator Expansion Tank Hose
Part Number: 17128620944
$51.35 MSRP: $68.00
You Save: $16.65 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator-Expansion Tank; Coolant Hose, Return Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Transmission Oil Heat Exchanger Hose
Part Number: 17127640287
$60.19 MSRP: $79.71
You Save: $19.52 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Transmission Oil Heat Exchanger
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Cylinder Head-Expansion Tank Hose
Part Number: 17128677244
$43.45 MSRP: $57.53
You Save: $14.08 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Cylinder Head-Expansion Tank
- Replaced by: 17129845173
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Radiator Hose
Part Number: 17128673993
$71.11 MSRP: $94.16
You Save: $23.05 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Radiator; Connector Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Upper & Lower Radiator Hoses
Part Number: 17127510952
$86.51 MSRP: $104.65
You Save: $18.14 (18%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Hose; Upper Hose
- Position: Upper Lower
- Replaces: 11-53-4-460-438
- 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 Engine Coolant Reservoir Hose
Part Number: 17128623572
$51.35 MSRP: $68.00
You Save: $16.65 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Expansion Tank; Coolant Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Cylinder Head-Expansion Tank Hose
Part Number: 17128740118
$43.45 MSRP: $57.53
You Save: $14.08 (25%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Hose, Cylinder Head-Expansion Tank
- Replaced by: 17129845173
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Radiator Coolant Pipe Hose Compatible
Part Number: 11537521049
$56.72 MSRP: $80.29
You Save: $23.57 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Thermostat-Coolant Pump; Water Hose, Water Pipe
- 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 Line, Coolant Return, Turbocharger
Part Number: 11537643226
$84.27 MSRP: $106.58
You Save: $22.31 (21%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Coolant Line, Water Return Tube
- Replaced by: 11538854735
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Charge Air Cooler Hose
Part Number: 17128677245
$148.99 MSRP: $204.00
You Save: $55.01 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Charge Air Cooler; Coolant Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Line, Coolant Feed, Turbocharger
Part Number: 11537643094
$109.55 MSRP: $138.55
You Save: $29.00 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Coolant Line, Water Feed Tube
- Replaced by: 11538854734
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Heater Core-Engine Feed Hose
Part Number: 64219329645
$41.72 MSRP: $55.24
You Save: $13.52 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Heater Core-Engine Feed
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Radiator Upper-Thermostat Hose
Part Number: 17128662836
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Top-Thermostat; Lower Hose, Upper Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)
View related parts
BMW 330i Engine Coolant Hose Expansion Tank To Coolant Pipe
Part Number: 11531436410
$36.03 MSRP: $39.44
You Save: $3.41 (9%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Return; Water Hose Assembly
- 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 LINE FROM COOLANT PUMP-CYLIN
Part Number: 11538650984
$109.25 MSRP: $138.17
You Save: $28.92 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: By-Pass Hose, Cooling Pipe, Pipe, Rear Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2025 BMW 330i | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)
View related parts
BMW 330i Radiator Hose
Part Number: 17128662837
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Radiator; Connector Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2018 BMW 330i | Sedan(F30)

| Page 1 of 3 |Next >

1-20 of 51 Results

BMW 330i Cooling Hose

BMW 330i Cooling Hose is the resilient link that allows hot coolant to shift between the engine and radiator as the car bounces over bumps and the motor twists on its engine mounts. Each Cooling Hose is made from heat resistant rubber blended with fabric reinforcement, which stands up to kinking as the engine moves. It seals in pressurized coolant to avoid leaks that could cause aluminum blocks to overheat. For model years, BMW sedans use four principal hoses, an upper radiator line that returns cooled fluid, a lower feed that sends it off to the water pump, a shorter bypass tube for warm up and heater hoses, and newer cars utilize snap-on connectors instead of earlier screw clamps. Each Cooling Hose serves the same purpose. However, the upper and lower designs carry larger diameters to handle greater volume. Meanwhile, the bypass and heater versions stay smaller to keep tight assembly routing around intake runners. Regularly checking every Cooling Hose for bulges, cracks and hard spots allows drivers to replace them before coolant escapes and the 330i suffers warped head gaskets or steams on the roadside. The 330i's precise-fit Cooling Hose is engineered to BMW specifications. Its reinforced composition maximizes pressure resistance, ensuring optimal temperatures and prolonging service life of the engine.

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

BMW 330i Cooling Hose Parts Questions & Experts Answers

Engine Feed Radiator Upper Hose
17127531579
Q:
How to remove and install the Coolant Reservoir and Cooling Hose on the BMW 330i?
Posted by Renzo O.
A:
If a faulty hose is found, drain the cooling system and disconnect the hose by prying up the retaining clip or loosening the hose clamps. Avoid disconnecting while the system is hot. Some models may have twist-on clamps that need to be rotated counterclockwise. Be careful when removing hoses from the radiator, and if a hose is hard to remove, rotate the ends or slit it with a knife. To install a hose, push it over the fitting until the clip locks it. Slide clips onto hoses with traditional clips before positioning. Soften stiff hoses with soapy or hot water if needed. Refill the system and check for leaks. To remove the coolant reservoir, remove the air intake duct, disconnect the hoses, remove the bolts, unclip the reservoir, and lift it. Disconnect the coolant level switch connector and remaining hose before removing the reservoir. Installation is the reverse of removal. Refill the cooling system.
Answered by BMW Parts Specialist Armando / Jun 12, 2023