BMW Coolant & Radiator Hoses

Cooling System Hose Kit

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T#:24212306

Part#: E9XN52CHKT

Ships on Aug 19, 2026

Sale - Save 8% $ 189.99

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05-03-2026

$ 174.22 USD

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Replace your cooling system hoses with this complete kit including coolant

Complete Cooling System Hose Kit - BMW E46 M52TU M54

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T#:15677507

Part#: 11531436410-KT

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Sale - Save 10% $ 285.99

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06-16-2026

$ 256.32 USD

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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

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Comprehensive Coolant Hose Kit - E30 M20

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T#:41897490

Part#: E30M20HSTKT

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$ 332.77 USD

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This Comprehensive Coolant Hose Kit – E30 is a must-have for any BMW M20 enthusiast looking to maintain cooling efficiency and avoid future breakdowns. Restore your classic E30’s performance and reliability with a hose kit built to last.

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Water Hose Set - E30 M3

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T#:3449

Part#: 11531309667KIT

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$ 167.05 USD

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This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -

upper radiator hose from the large metal coolant pipe, #23 in the diagram

top thermostat hose to the large metal coolant pipe, #15 in the diagram

middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram

lower thermostat hose to the bottom of radiator, #22 in the diagram

lower radiator hose to coolant pipe, #24 in the diagram

expansion tank hose to the small metal coolant pipe, #17 in the diagram
We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

This item fits the following BMWs:
1988-1991 E30 BMW M3

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Turner OEM Water Hose Set - E30 M3

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T#:338252

Part#: 11531309667KIT

Ships in 4 Business Days

Sale - Save 3% $ 212.99

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05-03-2026

Starting at $ 206.38 USD

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$ 212.99

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Starting at $ 206.38 USD

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This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -

upper radiator hose from the large metal coolant pipe, #23 in the diagram

top thermostat hose to the large metal coolant pipe, #15 in the diagram

middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram

lower thermostat hose to the bottom of radiator, #22 in the diagram

lower radiator hose to coolant pipe, #24 in the diagram

expansion tank hose to the small metal coolant pipe, #17 in the diagram
We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

This item fits the following BMWs:
1988-1991 E30 BMW M3

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Complete Cooling System Hose Kit

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T#:638920

Part#: 11531436408KT3

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$ 325.16 USD

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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.

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Complete Cooling System Hose Kit

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T#:5416786

Part#: 11531436408TMSKT

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Sale - Save 6% $ 307.99

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05-03-2026

$ 288.59 USD

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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

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Transmission Cooler Hose Set - E39 540i 99-03, E38 740i/iL 99-01 ...

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T#:338705

Part#: TMS16592

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Starting at $ 171.28 USD

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Starting at $ 171.28 USD

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The oil cooler/heat exchanger for the automatic transmission is one of the most overlooked sections of the 540i and 740i cooling system. The cooler (heat exchanger) is a part of the overall cooling system and uses coolant circulated from the regular cooling system to cool the transmission oil running through this small cooling block. Some of the hoses are shared with the rest of the cooling system as well. The E38/E39 heat exchanger is located along the driver's side frame rail and is accessed from the wheel well. We recommend servicing or cleaning the heat exchanger along with any cooling system overhaul. Or if you're having transmission faults (especially for temperature) you may want to clean the transmission cooler anyway and these hoses will be a nice finishing touch.

Replacing or cleaning the heat exchanger components could lead to better shifting of the automatic as the cooler itself can become clogged. If you're experiencing harder or hesitating shifts, and the internal transmission temperature is rising without being regulated, the components in this system are the likely cause. Staying on top of the cooling needs of the transmission will help prevent a very costly transmission repair in the future. These hoses are easily replaced and you can clean the heat exchanger easily with brake cleaner and some brushes.

Included in this handy package are:

11531711381 - transmission cooling hose from water pump to radiator (with t-connector)

11531711385 - transmission cooling hose from radiator to cooler

11531711384 - transmission cooling hose from cooler to water pump

11537511207 - transmission cooling hose from cooler to chassis

hose clamp

o-ring

This hose set fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

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Turbo Coolant Line Kit - F70, E71, F15, F16

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T#:41661213

Part#: 11537577014TKT

Ships in 3 Business Days

Sale - Save 8% $ 342.99

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05-03-2026

$ 316.08 USD

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

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T#:337992

Part#: 11531436408

Ships in 4 Business Days

Starting at $ 42.99 USD

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Starting at $ 42.99 USD

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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

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Cooling System Refresh Kit - Level 2 - E9x, E82, E88, Z4

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T#:42099868

Part#: 11537558523TKT

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$ 671.07 USD

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Keep your BMW running at the proper temperature and avoid costly engine repairs with the Cooling System Refresh Kit, the complete maintenance solution trusted by enthusiasts and professionals alike.

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Rein Aluminum Coolant Hose Flange - E82, E88, E90, E91, E92, E93 ...

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T#:593535

Part#: CHC0609

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$ 36.06 USD

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Made from high-strength aluminum vs the OEM plastic prone to failure.

OEM Rein Aluminum Coolant Flange Connector - BMW & MINI B36 B46/B48 G...

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T#:33679696

Part#: 11118511205

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$ 50.99 USD

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Plastic coolant flanges become brittle over time, which can cause them to crack and fail. Prevent overheating and coolant loss with this OEM Rein upgraded aluminum coolant flange.

Upper Radiator Hose - E9x E82 E89 With N52 Engine

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T#:7460

Part#: 17127531579

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$ 44.99 USD

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This is the upper radiator hose that goes from the engine to the top of the radiator with either N51 or N52 enigne.

This item fits the following BMWs:
2008+ E82 BMW 128i
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i Convertible
2009+ Z4 BMW Z4 sDrive30i

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

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T#:6939

Part#: 11531705210

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$ 66.99 USD

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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

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Radiator Hose for N52 / N54 - Lower

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T#:388683

Part#: 17127564478

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$ 33.99 USD

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Replace split, hard, or bulging hoses

Rein Upper Radiator Hose - E82, E88, E90, E92, E93, Z4

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T#:340690

Part#: 17127540127

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$ 40.99 USD

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The hose that comes off of the top outlet on the radiator

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

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T#:360688

Part#: 11537502525

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$ 90.99 USD

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

Genuine BMW Expansion Tank Hose - F22 M235i/ix, F87 M2, F3X 335i/ix 4...

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T#:46445

Part#: 17128570061

In Stock

9% off MSRP $ 54.77

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$ 49.99 USD

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9% off MSRP

$ 54.77

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

$ 49.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMW Chassis:
F22,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N55

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Expansion Tank To Upper Radiator Hose

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T#:33879981

Part#: 17127803838

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$ 34.26 USD

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OEM Rein Upper Radiator Hose - E46 M3

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T#:2306

Part#: 11537830716

In Stock

$ 33.99

This product was last offered at the strikethrough price on
05-06-2026

$ 22.99 USD

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$ 22.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the Upper radiator hose that connects the thermostat housing to the radiator.

This Upper Radiator Hose fits the following BMWs:
2001-2006 E46 3 Series M3, M3 Convertible

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Rein Water Pipe - E82, E88, E90, E91, E92, E93

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T#:403979

Part#: 11537545890

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$ 20.99 USD

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Connects from the top of the thermostat housing to the engine block

OEM Rein Aluminum Coolant Flange - BMW M57 3.0L

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T#:45791752

Part#: 11127806196

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$ 69.99

This product was last offered at the strikethrough price on
03-08-2026

$ 58.99 USD

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Plastic coolant flanges become brittle over time, leading to cracks and coolant leaks. Upgrade to an aluminum flange to avoid this issue altogether!

Rein Coolant Hose - Upper - F22, F23, F30, F32, F33, F34, F36, F87 ...

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T#:568810

Part#: 17127604542

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$ 45.99 USD

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This hose goes from the radiator to the oil cooler. After years of use and exposure to heat, the hoses in your car can dry up and crack, resulting in nasty leaks - or worse. Replace your rotted, leaking hoses before they lead to larger problems.

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Rein Radiator Hose - Upper - E46

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T#:379786

Part#: 17127510952

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$ 25.99

This product was last offered at the strikethrough price on
02-09-2026

$ 24.95 USD

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A common source of cooling system failure

Rein Coolant Hose Metal Connector With Sensor - BMW F22/23 F3X B58 Ge...

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T#:38789910

Part#: CHK0940

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$ 73.99 USD

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The OE plastic connector is a frequent failure point due to brittleness and cracking caused by repeated thermal cycling and hydrolysis. Hydrolysis, the breakdown of plastic or rubber by water exposure, weakens the structure over time, leading to failure. To combat these issues, Rein’s upgraded connectors are constructed from high-strength aluminum, eliminating the vulnerabilities of plastic connectors and ensuring long-term durability.

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Genuine BMW Expansion Tank Vent Hose - F80 M3, F82/3 M4

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T#:200328

Part#: 17122284686

Ships in 1-2 days

3% off MSRP $ 60.99

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$ 58.99 USD

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3% off MSRP

$ 60.99

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$ 58.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Upper Radiator Hose - E9X M3

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T#:402115

Part#: 11537838214

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$ 31.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

BMW M52 M54 Water Pipe

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T#:594294

Part#: 11537502525

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$ 55.99 USD

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BMW M52 M54 Water Pipe is an essential replacement part designed to ensure long-term reliability and optimal performance for your BMW's cooling system. Engineered to replace cracked or broken coolant pipes, this high-quality water pipe from Turner Motorsport guarantees a perfect fit and dependable service. Investing in this replacement pipe helps prevent overheating and potential engine damage, maintaining your vehicle's performance and longevity.

Reliable replacement: Designed to replace cracked or broken coolant pipes for improved engine cooling.
Optimal fitment: Engineered to ensure a perfect fit and seamless installation.
Durable construction: Built with high-quality materials to withstand engine temperatures and environmental conditions.
Preventative maintenance: Helps avoid overheating and potential engine damage by ensuring a reliable coolant flow.
Vehicle compatibility: Specifically designed for BMW M52 and M54 engine models.

Upgrade your BMW’s cooling system with the BMW M52 M54 Water Pipe from Turner Motorsport for enhanced reliability and performance.

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Coolant Expansion Tank Hose -Z3

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T#:6936

Part#: 11531436122

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$ 55.99 USD

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This is the engine coolant hose that goes from the coolant reservoir / expansion tank to the top of the radiator. When replacing any cooling component it is a good idea to check all radiator hoses and replace as necessary.

This item fits the following BMWs:
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2001-2002 Z3 BMW Z3 M Roadster M Coupe

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Expansion Tank Vent Hose

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T#:30729012

Part#: 17127618510

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Sale - Save 19% $ 36.99

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

$ 29.99 USD

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Genuine BMW Heater Hose - E30 M20 2.5L 2.7L

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T#:368716

Part#: 64211380527

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4% off MSRP $ 46.22

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$ 44.58 USD

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4% off MSRP

$ 46.22

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$ 44.58 USD

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Genuine BMW Return Hose

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T#:360670

Part#: 11531436410

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$ 42.49 USD

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$ 42.49 USD

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OEM Rein Lower Radiator Hose - E9X M3

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T#:387713

Part#: 11537840661

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$ 49.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW Coolant Hose - E90 E92 E93 M3

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T#:22342

Part#: 11537838219

In Stock

5% off MSRP $ 71.02

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

$ 67.79 USD

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5% off MSRP

$ 71.02

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$ 67.79 USD

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Bavarian Autosport Radiator Hose - Upper - E46 M52 M54

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T#:640204

Part#: 17127510952

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Sale - Save 21% $ 34.99

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

$ 27.74 USD

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Replacement Upper Radiator Hose for E46 3 series (Non-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. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Rein Coolant Hose Aluminum Connector - BMW F22/23 F3X B58 Gen1 ...

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T#:39059272

Part#: 11118619408

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$ 47.99 USD

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The OE plastic connector is a frequent failure point due to brittleness and cracking caused by repeated thermal cycling and hydrolysis. Hydrolysis, the breakdown of plastic or rubber by water exposure, weakens the structure over time, leading to failure. To combat these issues, Rein’s upgraded connectors are constructed from high-strength aluminum, eliminating the vulnerabilities of plastic connectors and ensuring long-term durability.

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Rein Radiator Hose - Lower - E46

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T#:379779

Part#: 11531436408

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$ 31.99 USD

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A common source of cooling system failure

Heater Inlet Pipe

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T#:594330

Part#: 11531705210

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$ 41.99 USD

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This is the 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.

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URO Heater Core Hose - 64216983858

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T#:26171674

Part#: 64216983858

In Stock

$ 44.99 USD

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$ 44.99 USD

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Ensure optimal engine cooling in your BMW with these high-quality cooling pipes and hoses. Designed to maintain proper engine temperature, immediate replacement is necessary if cracks are detected to prevent engine overheating. This specific coolant supply hose serves the heater core, crucial for efficient heating in your vehicle.

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Aluminum Water Pipe

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T#:587665

Part#: 11537545890

In Stock

$ 27.95

This product was last offered at the strikethrough price on
03-26-2026

$ 27.58 USD

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$ 27.58 USD

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Connects from the top of the thermostat housing to the engine block

Coolant Hose - Return Line

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T#:30729013

Part#: 17128570061

In Stock

Sale - Save 19% $ 36.99

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

$ 29.99 USD

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Qty

Sale - Save 19%

$ 36.99

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

$ 29.99 USD

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Rein Radiator Hose - Lower - Z3

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T#:363452

Part#: 11531716642

In Stock

$ 39.99

This product was last offered at the strikethrough price on
05-04-2026

$ 28.99 USD

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$ 28.99 USD

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A common source of cooling system failure

Expansion Tank Water Pipe / Connecting Hose - E46 M3

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T#:12482

Part#: 17112229053

In Stock

1% off MSRP $ 96.35

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

$ 95.28 USD

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1% off MSRP

$ 96.35

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

$ 95.28 USD

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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 Breather Hose - E90 E92 E93 M3

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T#:22522

Part#: 17122283591

Ships in 1-2 days

7% off MSRP $ 60.99

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

$ 56.99 USD

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7% off MSRP

$ 60.99

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

$ 56.99 USD

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Upper Radiator Hose

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T#:30729022

Part#: 17127540127

Ships on Aug 20, 2026

Sale - Save 20% $ 42.99

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

$ 34.26 USD

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Qty

Sale - Save 20%

$ 42.99

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

$ 34.26 USD

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Genuine BMW Lower Radiator Coolant Hose - F30, F32, F36, F87 ...

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T#:178275

Part#: 17127627104

In Stock

3% off MSRP $ 79.99

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

$ 77.99 USD

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3% off MSRP

$ 79.99

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

$ 77.99 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMW Chassis:

F30,F32,F36,F87

Fits BMW Engines including:
N55

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Lower Radiator Hose

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T#:30729018

Part#: 17127564480

In Stock

Sale - Save 20% $ 42.99

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

$ 34.26 USD

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Qty

Sale - Save 20%

$ 42.99

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

$ 34.26 USD

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Genuine BMW Heater Core Supply Hose

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T#:368723

Part#: 64216983858

Ships Today

9% off MSRP $ 77.69

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

$ 70.79 USD

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9% off MSRP

$ 77.69

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

$ 70.79 USD

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Ensure optimal cooling for your BMW's engine with this essential Coolant Supply Hose to the heater core. When cooling pipes and hoses show signs of wear like bulges, cracking, or loss of flexibility, it's crucial to replace them promptly to prevent engine overheating.

Vital coolant supply hose for the heater core
Prevents engine overheating
Easy detection of wear with visible signs like bulges and cracking
Ensures proper cooling system functionality
Ideal for maintaining engine performance and longevity

Replace worn-out coolant hoses promptly, examining the entire cooling system, including plastic hose flanges prone to cracks. This ensures a comprehensive solution to prevent leaks and maintain your BMW's cooling efficiency.

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