Rein BMW Coolant & Radiator Hoses for BMW X Series E53 (2000-2006)

Heater Inlet Pipe

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:594330

Part#: 11531705210

In Stock

$ 41.99 USD

Add to Wish List

Qty

$ 41.99 USD

Add to Wish List

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.

Show More Show Less

OEM Rein Lower Radiator Hose - E53 X5 3.0i 2000-2006

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362444

Part#: 11537508688

Ships in 1 Business Day

$ 35.99 USD

Add to Wish List

Qty

$ 35.99 USD

Add to Wish List

This lower radiator cooling hose connects the passenger's side bottom of the radiator to the thermostat housing on X5 3.0i with the M54 engine.

This item fits the following BMWs:
2000-2006 E53 BMW X5 3.0i M54

Show More Show Less

Water Pipe

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:594365

Part#: 11537502000

In Stock

$ 40.09

This product was last offered at the strikethrough price on
01-10-2026

$ 39.99 USD

Add to Wish List

Qty

$ 39.99 USD

Add to Wish List

Water pipes are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine. This water pipe runs from the back of the water pump housing to the expansion tank hose. Includes all required seals, needed for the install.

Show More Show Less

OEM Rein Lower Radiator Hose - E53 X5 M62 4.4L 4.6L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:375370

Part#: 11537500750

Ships in 3 Business Days

$ 33.99 USD

Add to Wish List

Qty

$ 33.99 USD

Add to Wish List

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

This item fits the following BMWs:
2000-2003 E53 BMW X5 4.4i 4.6is

Show More Show Less

OEM Rein Expansion Tank Hose - E53 X5 N62

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379752

Part#: 17127509965

Ships in 3 Business Days

$ 34.99 USD

Add to Wish List

Qty

$ 34.99 USD

Add to Wish List

This is one of the hoses exiting from the bottom of the expansion tank on your BMW. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Show More Show Less

Rein Lower Radiator Hose - E53 X5 N62 4.4L 4.8L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362530

Part#: 17127509963

Ships in 3 Business Days

$ 51.38

This product was last offered at the strikethrough price on
04-15-2026

$ 43.99 USD

Add to Wish List

Qty

$ 43.99 USD

Add to Wish List

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

Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L

Show More Show Less

OEM Rein Thermostat Coolant Hose - E53 M62

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:20210

Part#: 11537500752

Ships in 3 Business Days

$ 21.99 USD

Add to Wish List

Qty

$ 21.99 USD

Add to Wish List

Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Expansion Tank Hose - E53 X5 M62 4.4L 4.6L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:363439

Part#: 11537505950

Ships in 1 Business Day

$ 27.99 USD

Add to Wish List

Qty

$ 27.99 USD

Add to Wish List

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

This item fits the following BMWs:
2000-2003 E53 BMW X5 4.4i 4.6is

Show More Show Less

OEM Rein Upper Radiator Hose - E53 X5 N62 4.4L 4.8L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362526

Part#: 17127526856

Ships in 1 Business Day

$ 83.99 USD

Add to Wish List

Qty

$ 83.99 USD

Add to Wish List

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

Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L

Show More Show Less

OEM Rein Upper Radiator Hose - E53 X5 M62 4.4L 4.6L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379731

Part#: 11537500746

In Stock at Vendor

$ 64.99 USD

Add to Wish List

Qty

$ 64.99 USD

Add to Wish List

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

This item fits the following BMWs:
2000-2003 E53 BMW X5 4.4i 4.6is

Show More Show Less

OEM Rein Upper Radiator Hose - E53 X5 3.0i 2000-2006

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:6979

Part#: 11537500733

Special Order: No Guaranteed ETA

$ 39.69

This product was last offered at the strikethrough price on
05-15-2026

$ 37.99 USD

Add to Wish List

Qty

$ 37.99 USD

Add to Wish List

This upper radiator cooling hose connects the drivers side top of the radiator to the thermostat housing on X5 3.0i with the M54 engine.

This item fits the following BMWs:
2000-2006 E53 BMW X5 3.0i M54

Show More Show Less

Rein Expansion Tank Hose - E53

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:375755

Part#: 11537500735

Back Ordered

$ 22.99 USD

Add to Wish List

Qty

$ 22.99 USD

Add to Wish List

Hose running from the expansion tank. Made in Germany.

Rein Cooling O-Ring - E53, E60, E63, E64, E65, E66, E70

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362446

Part#: 11531710048

In Stock

$ 4.07 USD

Add to Wish List

Qty

$ 4.07 USD

Add to Wish List

Seals the rear of the water transfer pipe to the block

Rein Coolant Bleeder Screw CHW1575 - Priced Each

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:591955

Part#: 17111712788

In Stock

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Coolant Bleeder Screw is a critical component for maintaining your BMW’s cooling system. Designed to release trapped air from the coolant lines, this screw ensures efficient coolant flow and prevents overheating. Specifically engineered for BMW models, it enhances the overall performance and longevity of your engine by maintaining proper temperature regulation. Comes with O-Ring.

Show More Show Less

OEM Rein Cylinder Head To Expansion Tank Coolant Hose - E53 X5 N62 4....

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379756

Part#: 17127509967

Ships in 3 Business Days

$ 38.99 USD

Add to Wish List

Qty

$ 38.99 USD

Add to Wish List

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

Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L

Show More Show Less

Expansion Tank Hose

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:375341

Part#: 11531439123

Ships in 3 Business Days

$ 32.99 USD

Add to Wish List

Qty

$ 32.99 USD

Add to Wish List

OEM Rein Coolant Hose - E53 X5

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379748

Part#: 64218409064

Ships in 3 Business Days

$ 12.99 USD

Add to Wish List

Qty

$ 12.99 USD

Add to Wish List

Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Expansion Tank Hose - E53 X5 N62 4.4L 4.8L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379797

Part#: 17127509966

Ships in 3 Business Days

$ 32.99 USD

Add to Wish List

Qty

$ 32.99 USD

Add to Wish List

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

Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L

Show More Show Less

BMW Radiator Hose Kit - 11537500750

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:46753499

Part#: CHK0030R

Ships in 3 Business Days

$ 50.99 USD

Add to Wish List

Qty

$ 50.99 USD

Add to Wish List

Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

Show More Show Less

OEM Rein Heater Coolant Hose - E53

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:12845

Part#: 64218409063

Ships in 3 Business Days

$ 10.99 USD

Add to Wish List

Qty

$ 10.99 USD

Add to Wish List

Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

BMW Radiator Hose Kit - 17127509963

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:46719193

Part#: CHK0032P

Ships in 3 Business Days

$ 76.99 USD

Add to Wish List

Qty

$ 76.99 USD

Add to Wish List

Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

Show More Show Less

Rein Coolant Return Pipe - N62 N73

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:386411

Part#: 11511439976

Special Order: No Guaranteed ETA

$ 14.99 USD

Add to Wish List

Qty

$ 14.99 USD

Add to Wish List

This is the coolant return pipe on the back of the water pump on the N62 and N73 engines used in the E53 X5, E60 545/550, E63 645/650, E65 745/750, E70 X5, and F02 750. This pipe connects the water pump to the valley pan and it's a compression fitting (no o-rings). Whenever the water pump or valley pan are replaced this tube should also be replaced. This is one area where you don't want to go back and re-do your work because of a leaking fitting! In German, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the worldaEURtms finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

Show More Show Less

Project Cars

SELECT YOUR BMW

Rein BMW Coolant & Radiator Hoses for BMW X Series E53 (2000-2006)

Heater Inlet Pipe

OEM Rein Lower Radiator Hose - E53 X5 3.0i 2000-2006

Water Pipe

OEM Rein Lower Radiator Hose - E53 X5 M62 4.4L 4.6L

OEM Rein Expansion Tank Hose - E53 X5 N62

Rein Lower Radiator Hose - E53 X5 N62 4.4L 4.8L

OEM Rein Thermostat Coolant Hose - E53 M62

OEM Rein Expansion Tank Hose - E53 X5 M62 4.4L 4.6L

OEM Rein Upper Radiator Hose - E53 X5 N62 4.4L 4.8L

OEM Rein Upper Radiator Hose - E53 X5 M62 4.4L 4.6L

OEM Rein Upper Radiator Hose - E53 X5 3.0i 2000-2006

Rein Expansion Tank Hose - E53

Rein Cooling O-Ring - E53, E60, E63, E64, E65, E66, E70

Rein Coolant Bleeder Screw CHW1575 - Priced Each

OEM Rein Cylinder Head To Expansion Tank Coolant Hose - E53 X5 N62 4....

Expansion Tank Hose

OEM Rein Coolant Hose - E53 X5

OEM Rein Expansion Tank Hose - E53 X5 N62 4.4L 4.8L

BMW Radiator Hose Kit - 11537500750

OEM Rein Heater Coolant Hose - E53

BMW Radiator Hose Kit - 17127509963

Rein Coolant Return Pipe - N62 N73

Select Vehicle

Category

Brand

Price

Shipping

Narrow Results