BMW Coolant & Radiator Hoses for BMW 3 Series E46 (1999-2005)

Complete Cooling System Hose Kit - BMW E46 M52TU M54

10X Entries Into Our F80 M3 Sweepstakes

T#:15677507

Part#: 11531436410-KT

Ships in 6 Business Days

Sale - Save 10% $ 285.99

This product was last offered at the strikethrough price on
06-16-2026

$ 258.00 USD

Add to Wish List

Qty

Sale - Save 10%

$ 285.99

This product was last offered at the strikethrough price on
06-16-2026

$ 258.00 USD

Add to Wish List

The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. Turner Motorsport has created a kit that includes all of the necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system. See kit contents tab for a list of included components

Show More Show Less

Gates Lower Radiator Hose - E46 3 Series (Not M3)

10X Entries Into Our F80 M3 Sweepstakes

T#:337992

Part#: 11531436408

Ships in 4 Business Days

Starting at $ 42.99 USD

Add to Wish List

Starting at $ 42.99 USD

Add to Wish List

OEM Replacement Lower Radiator Hose for E46 3 series (Not M3). We recommend replacing the Coolant Temperature Sensor while replacing this hose as the original sensor is often damaged while trying to remove it from the old hose.

This lower radiator hose fits the following BMWs:
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i
1999-2000 E46 3 Series Coupe/Conbertible - 323Ci & 328Ci
2001-2005 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi
2001-2006 E46 3 Series Coupe/Convertible - 325Ci, 330Ci

Show More Show Less

Complete Cooling System Hose Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:638920

Part#: 11531436408KT3

Ships in 6 Business Days

Sale - Save 18% $ 399.99

This product was last offered at the strikethrough price on
05-03-2026

$ 326.35 USD

Add to Wish List

Qty

Sale - Save 18%

$ 399.99

This product was last offered at the strikethrough price on
05-03-2026

$ 326.35 USD

Add to Wish List

The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. We have created a kit that includes ECS Tuning silicone radiators hoses and all other necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system.

Show More Show Less

Complete Cooling System Hose Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:5416786

Part#: 11531436408TMSKT

Ships in 6 Business Days

Sale - Save 6% $ 307.99

This product was last offered at the strikethrough price on
05-03-2026

$ 290.02 USD

Add to Wish List

Qty

Sale - Save 6%

$ 307.99

This product was last offered at the strikethrough price on
05-03-2026

$ 290.02 USD

Add to Wish List

The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. Turner Motorsport has created a kit that includes all of the necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system. Kit includes: Genuine BMW Antifreeze - 1 Gallon 2 Heater hoses Expansion tank hose Water pipe to expansion tank hose Heater inlet pipe Water pipe Upper radiator hose Lower radiator hose

Show More Show Less

Heater Hard Line replacement Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15777306

Part#: 11531705210-KT

Ships on Nov 12, 2026

$ 259.99

This product was last offered at the strikethrough price on
04-28-2026

$ 251.99 USD

Add to Wish List

Qty

$ 251.99 USD

Add to Wish List

Includes every thing needed to replace heater coolant hard lines, includes gaskets, hoses, and a URO aluminum return line!

Cooling System Overhaul Kit - E46 323i/ci 325i/ci/xi 328i/ci 330i/ci/...

10X Entries Into Our F80 M3 Sweepstakes

T#:554552

Part#: 17119071519KT5

Ships in 1 Business Day

Sale - Save 4% $ 979.99

This product was last offered at the strikethrough price on
08-17-2026

$ 944.54 USD

Add to Wish List

Qty

Sale - Save 4%

$ 979.99

This product was last offered at the strikethrough price on
08-17-2026

$ 944.54 USD

Add to Wish List

This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package. This cooling system package is for the E46 with the M52/54 engine.

A failure in the cooling system can lead to overheating and catastrophic engine failure. Don't gamble your engine! By replacing these core items preventatively, such as the thermostat housing, radiator, and waterpump, you are defusing what could be a ticking cooling system time bomb. And if you've had a failure of one of these parts, now is the time to refresh your entire cooling system. Keep on top of the cooling needs of your engine for your own piece of mind. Potential buyers also see the upside of a properly maintained car with receipts.

This cooling system overhaul kit fits the following BMWs:
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i
1999-2000 E46 3 Series Coupe/Convertible - 323Ci & 328Ci
2001-2002 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi
2001-2002 E46 3 Series Coupe/Convertible - 325Ci, 330Ci

Show More Show Less

ECS Cooling System Refresh Kit - Level 1

10X Entries Into Our F80 M3 Sweepstakes

T#:15677493

Part#: 11517527910-KT

In Stock

Sale - Save 4% $ 336.99

This product was last offered at the strikethrough price on
05-03-2026

$ 324.43 USD

Add to Wish List

Qty

Sale - Save 4%

$ 336.99

This product was last offered at the strikethrough price on
05-03-2026

$ 324.43 USD

Add to Wish List

Stop the problems before they arise. If you vehicle has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 80,000 mile intervals. Water pump failure, cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. This kit was put together by Turner including the basic parts that need replaced. Water pump with metal impeller Fan switch Thermostat and thermostat housing Sealing gaskets Expansion tank with level sensor, clamp and cap 1 Gallon Coolant Upper & lower radiator hoses

Show More Show Less

ECS Cooling System Refresh Kit - Level 2

10X Entries Into Our F80 M3 Sweepstakes

T#:15677514

Part#: 11281706545-KT

In Stock

Sale - Save 3% $ 474.99

This product was last offered at the strikethrough price on
05-03-2026

$ 460.24 USD

Add to Wish List

Qty

Sale - Save 3%

$ 474.99

This product was last offered at the strikethrough price on
05-03-2026

$ 460.24 USD

Add to Wish List

Stop the problems before they arise. If your BMW has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. Avoid water pump failure, cracked thermostat housings, and expansion tank leaks, which all lead to overheating and subsequent damage. This kit was put together by Turner for a complete cooling system service. GEBA water pump with metal impeller ECS aluminum water pump pulley Fan switch Thermostat and thermostat housing Sealing gaskets Expansion tank with level sensor, clamp and cap 1 Gallon Coolant Upper & lower radiator hoses Accessory drive belts Radiator drain plug

Show More Show Less

ECS Cooling System Refresh Kit - Level 3

10X Entries Into Our F80 M3 Sweepstakes

T#:15710765

Part#: 07119904677-KT

Ships in 4 Business Days

Sale - Save 4% $ 1,019.99

This product was last offered at the strikethrough price on
08-17-2026

$ 983.89 USD

Add to Wish List

Qty

Sale - Save 4%

$ 1,019.99

This product was last offered at the strikethrough price on
08-17-2026

$ 983.89 USD

Add to Wish List

Prevent cooling issues and take service of your cooling system one step further with an ECS Tuning Level 3 Cooling System Maintenance Kit. The experts at ECS have identified all of the common parts of the cooling system generally considered weak links on your BMW. Stop the problems before they arise. If you vehicle has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 80,000 mile intervals. Water pump failure, cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. This kit was put together by ECS for a complete cooling system service. HEPU water Pump with metal impeller ECS Aluminum Water pump pulley Fan Switch Thermostat with Housing Sealing Gaskets Expansion Tank with level sensor and clamp Pressure Cap 1 Gallon Coolant Upper & Lower Radiator Hoses Accessory Drive Belts Radiator Drain Plug Nissens Radiator Idler Pulley Hydraulic Tensioner and Pulley A/C Belt Tensioner Assembly

Show More Show Less

ECS Cooling System Refresh Kit - Level 2

10X Entries Into Our F80 M3 Sweepstakes

T#:15677545

Part#: 17111437361-KT

In Stock

Sale - Save 3% $ 472.99

This product was last offered at the strikethrough price on
05-03-2026

$ 457.56 USD

Add to Wish List

Qty

Sale - Save 3%

$ 472.99

This product was last offered at the strikethrough price on
05-03-2026

$ 457.56 USD

Add to Wish List

Stop the problems before they arise. If your vehicle has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 80,000 mile intervals. Water pump failure, cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. GEBA water pump with metal impeller ECS aluminum water pump pulley Fan switch Thermostat & housing Sealing gaskets Expansion tank with level sensor, clamp and cap 1 Gallon Coolant Upper & lower radiator hoses Accessory drive belts Radiator drain plug

Show More Show Less

Genuine BMW Heater Inlet Pipe - E46 E39 E53 E83 E85 Z3

T#:6939

Part#: 11531705210

In Stock

$ 66.99 USD

Add to Wish List

Qty

$ 66.99 USD

Add to Wish List

This is the Genuine BMW plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2003 E39 BMW 525i 528i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i - M54 engine
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 E85 BMW Z4 2.5i Z4 3.0i

Show More Show Less

Genuine BMW Water Pipe - E46 E39 Z4 Z3 (M52 M54)

T#:360688

Part#: 11537502525

In Stock

$ 90.99 USD

Add to Wish List

Qty

$ 90.99 USD

Add to Wish List

Replace your cracked/broken coolant pipe with this Genuine BMW pipe to ensure long term reliability and perfect fitment.

Genuine BMW Return Hose

T#:360670

Part#: 11531436410

In Stock

$ 42.49 USD

Add to Wish List

Qty

$ 42.49 USD

Add to Wish List

Genuine BMW Heater Hose - E46 M3

T#:14119

Part#: 64216902680

In Stock

3% off MSRP $ 73.99

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

$ 71.99 USD

Add to Wish List

Qty

3% off MSRP

$ 73.99

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

$ 71.99 USD

Add to Wish List

Genuine BMW Hose F Radiator And Engine Return
This item fits the following BMW Chassis:
E46 M3,E46

Expansion Tank Water Pipe / Connecting Hose - E46 M3

T#:12482

Part#: 17112229053

Ships in 1 Business Day

$ 177.99

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

$ 172.99 USD

Add to Wish List

Qty

$ 172.99 USD

Add to Wish List

This is the Genuine BMW coolant reservoir / expansion tank vent hose for E46 M3 with the S54 engine.

This item fits the following BMWs:
2001-2006 E46 BMW M3

Genuine BMW Radiator Hose - Upper - E46 M54 M55

T#:360755

Part#: 17127510952

In Stock

7% off MSRP $ 104.65

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

$ 97.39 USD

Add to Wish List

Qty

7% off MSRP

$ 104.65

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

$ 97.39 USD

Add to Wish List

OEM Replacement Upper Radiator Hose for E46 3 series (Not M3).

This lower radiator hose fits the following BMWs:
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i
1999-2000 E46 3 Series Coupe/Conbertible - 323Ci & 328Ci
2001-2005 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi
2001-2006 E46 3 Series Coupe/Convertible - 325Ci, 330Ci

Show More Show Less

Genuine BMW Radiator Hose - Lower - E46 M54 M52

T#:360669

Part#: 11531436408

In Stock

$ 57.99 USD

Add to Wish List

Qty

$ 57.99 USD

Add to Wish List

Genuine BMW Expansion Tank Hose - E46 M54 M57

T#:12609

Part#: 64218376153

In Stock

13% off MSRP $ 79.29

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

$ 69.10 USD

Add to Wish List

Qty

13% off MSRP

$ 79.29

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

$ 69.10 USD

Add to Wish List

BMW Hose F Radiator And Expansion Tank -
This item fits the following BMW Chassis:
E46

Genuine BMW Coolant Pipe - E46 M3

T#:13013

Part#: 11537830711

In Stock

Sale - Save 8% $ 154.99

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

$ 143.23 USD

Add to Wish List

Qty

Sale - Save 8%

$ 154.99

This product was last offered at the strikethrough price on
08-26-2026

$ 143.23 USD

Add to Wish List

Genuine BMW Pipe
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54

Genuine BMW Radiator Hose - Lower - E46 M3 S54 3.2L

T#:360695

Part#: 11537830715

Ships in 4 Business Days

$ 64.99 USD

Add to Wish List

Qty

$ 64.99 USD

Add to Wish List

Genuine BMW Radiator Hose - Upper - E46 M3

T#:360696

Part#: 11537830716

Ships in 4 Business Days

$ 65.99 USD

Add to Wish List

Qty

$ 65.99 USD

Add to Wish List

Genuine BMW Heater Hose

T#:14120

Part#: 64218363198

In Stock

Sale - Save 21% $ 45.99

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

$ 36.50 USD

Add to Wish List

Qty

Sale - Save 21%

$ 45.99

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

$ 36.50 USD

Add to Wish List

BMW Hose F Water Valve And Radiator -
This item fits the following BMW Chassis:
E46

Genuine BMW Coolant hose - E46 M3

T#:150726

Part#: 64216902679

Ships in 4 Business Days

Sale - Save 8% $ 34.99

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

$ 32.31 USD

Add to Wish List

Qty

Sale - Save 8%

$ 34.99

This product was last offered at the strikethrough price on
08-26-2026

$ 32.31 USD

Add to Wish List

Genuine BMW Hose F Water Valve And Radiator
This item fits the following BMW Chassis:
E46 M3,E46

Genuine BMW Water Pipe - E46 325xi 330xi E53 X5 M54 E83 X3 M54 ...

T#:367703

Part#: 11537502000

In Stock

Sale - Save 75% $ 221.99

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

$ 54.77 USD

Add to Wish List

Qty

Sale - Save 75%

$ 221.99

This product was last offered at the strikethrough price on
04-06-2026

$ 54.77 USD

Add to Wish List

Genuine BMW Heater Hose - E46 M54 M58

T#:14121

Part#: 64218376999

Ships in 3 Business Days

2% off MSRP $ 56.99

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

$ 55.99 USD

Add to Wish List

Qty

2% off MSRP

$ 56.99

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

$ 55.99 USD

Add to Wish List

BMW Hose F Engine Inlet And Water Valve -
This item fits the following BMW Chassis:
E46

Genuine BMW Radiator Return Line - 32412282353 - E46,E46 M3

T#:12524

Part#: 32412282353

Ships in 3 Business Days

2% off MSRP $ 280.99

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

$ 274.99 USD

Add to Wish List

Qty

2% off MSRP

$ 280.99

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

$ 274.99 USD

Add to Wish List

Genuine BMW Radiator Return Line
This item fits the following BMW Chassis:
E46 M3,E46

Complete Cooling System Hose Kit - M52 2.5L & 2.8L M54 2.5L & 3.0L ...

T#:374891

Part#: 11531436408KT

Ships in 3 Business Days

$ 548.99

This product was last offered at the strikethrough price on
06-03-2026

$ 546.99 USD

Add to Wish List

Qty

$ 546.99 USD

Add to Wish List

ECS Tuning BMW Cooling Hose Kit

Protect your BMW's cooling system with ECS Tuning's all-inclusive cooling hose kit. Engineered to endure extreme temperature fluctuations and environmental exposure, these hoses reduce the risk of unexpected failures that could leave you stranded.

Comprehensive kit covering all necessary cooling system hoses
Designed to withstand vast temperature changes and exposure to elements
Prevents unexpected failures and potential breakdowns
Includes a gallon of coolant for a complete service solution

Check the kit contents tab for a detailed list of included components.

Show More Show Less

Genuine BMW Water Connection Pipe - E46 M54 M53

For vehicles with automatic transmission only

T#:7419

Part#: 17111707817

Ships in 3 Business Days

5% off MSRP $ 43.99

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

$ 41.99 USD

Add to Wish List

Qty

5% off MSRP

$ 43.99

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

$ 41.99 USD

Add to Wish List

Genuine BMW Coolant Connection Fitting -
This item fits the following BMW Chassis:
E46

Fits BMW Engines including:
M52,M54,M56

Genuine BMW Water Pipe - Thermostat Housing to Return Pipe - E46 Z3 Z...

T#:36149

Part#: 11537830710

Ships in 4 Business Days

4% off MSRP $ 76.99

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

$ 73.99 USD

Add to Wish List

Qty

4% off MSRP

$ 76.99

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

$ 73.99 USD

Add to Wish List

Genuine BMW Pipe
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Genuine BMW Coolant hose - E46 M3

T#:150725

Part#: 64216902678

Ships in 4 Business Days

2% off MSRP $ 55.99

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

$ 54.99 USD

Add to Wish List

Qty

2% off MSRP

$ 55.99

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

$ 54.99 USD

Add to Wish List

Genuine BMW Hose F Engine Inlet And Water Valve
This item fits the following BMW Chassis:
E46 M3,E46

Genuine BMW Coolant Bleeder Screw 17111712788

T#:7432

Part#: 17111712788

In Stock

$ 5.94 USD

Add to Wish List

Qty

$ 5.94 USD

Add to Wish List

This is the Genuine BMW Coolant bleeder screw. We recommend a heavy duty Aluminum replacement from ECS Tuning if you do not want to replace this part again when it fails.

Genuine BMW Vent Screw
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E53 48IS,E30,E34,E36,E38,E39,E46,E53 X5 X5,E83 X3,E85 Z4,E86 Z4,E90

Show More Show Less