Replacement Overflow Tanks

BMW 3-Series Coolant Overflow Tanks

  • Replace® - Coolant Recovery Tank
    Replace®Coolant Recovery Tank
    66
    # sp1422
    Coolant Recovery Tank by Replace®. Coolant recovery tanks can crack and leak coolant, and also become discolored from contaminated coolant. Most recovery tanks are translucent, with fill indicators on the side of the tank, so...
    Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
    $4.51 - $93.39
  • Replacement - Engine Coolant Reservoir
    ReplacementEngine Coolant Reservoir
    236
    # sp262014
    Engine Coolant Reservoir by Replacement. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Replacement will last a...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $3.46 - $161.10
  • TRQ® - Engine Coolant Reservoir
    TRQ®Engine Coolant Reservoir
    161
    # sp239854
    Engine Coolant Reservoir by TRQ®. If your engine coolant reservoir has failed, replace it with this high-quality one from TRQ. Developed to fit and function exactly as the OEM component, it provides reliable performance mile after mile....
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $7.95 - $84.95Save: up to 11%
    $7.71 - $84.95
  • Dorman® - Engine Coolant Recovery Tank
    Dorman®Engine Coolant Recovery Tank
    14
    # sp49079
    Engine Coolant Recovery Tank by Dorman®. Heat and engine vibration can damage plastic overtime causing cracks and leaks. Dorman's Engine Coolant Recovery Tank uses premium plastic to withstand the effects of stress generated by the...
    Comes with reservoir capManufactured from premium plastic
    $7.14 - $230.69
  • URO Parts® - Engine Coolant Expansion Tank
    URO Parts®Engine Coolant Expansion Tank
    10
    # sp12876
    Engine Coolant Expansion Tank by URO Parts®. This superior part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of your vehicle. Thoroughly designed and...
    Designed to replace your worn out factory cooling partOptimizes engine cooling performance
    $10.79 - $174.14
  • Vaico® - Engine Coolant Expansion Tank
    Vaico®Engine Coolant Expansion Tank
    0
    # sp172734
    Engine Coolant Expansion Tank by Vaico®. Keep your vehicle’s heart under the hood running in tip-top condition with this premium Vaico engine cooling product. It’s designed to help your engine work in a reliable and efficiency...
    Sensible alternative to your OEM engine cooling partDesigned to keep your engine operating at proper temperatures
    $16.39 - $269.35
  • SKP® - Engine Coolant Reservoir
    SKP®Engine Coolant Reservoir
    0
    # sp189746
    Engine Coolant Reservoir by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    High quality at an affordable priceExpertly made from premium materials
    $7.64 - $98.38
  • Dorman® - Universal Engine Coolant Recovery Tank
    Dorman®Universal Engine Coolant Recovery Tank
    1
    # sp153297
    Universal Engine Coolant Recovery Tank by Dorman®. Dorman offers a comprehensive line of Coolant Recovery Tanks for a range of applications. All the Coolant Recovery Tanks are constructed from high-quality materials for long-lasting...
    Easy to installDirect replacement for a proper fit
    $11.56 - $194.02
  • Genuine® - Engine Coolant Expansion Tank
    Genuine®Engine Coolant Expansion Tank
    1
    # sp224299
    Engine Coolant Expansion Tank by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $17.15 - $1,022.47
  • Dorman® - OE Solutions™ Engine Coolant Reservoir
    Dorman®OE Solutions™ Engine Coolant Reservoir
    0
    # sp259718
    OE Solutions™ Engine Coolant Reservoir by Dorman®. This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to...
    Direct replacement for a proper fit every timeConstructed from high-quality materials for long-lasting durability
    $14.33 - $88.78
  • Genuine® - Expansion Tank
    Genuine®Expansion Tank
    8
    # sp212621
    Expansion Tank by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $21.55 - $1,093.79
  • CRP® - Engine Coolant Reservoir
    CRP®Engine Coolant Reservoir
    0
    # sp243939
    Engine Coolant Reservoir by CRP®. Engineered to meet the demanding OE standards set by many of the world's leading automobile manufacturers. That's why you'll find them on some of the world's finest automobiles.
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $34.43 - $76.51
  • Mishimoto® - Aluminum Coolant Expansion Tank
    Mishimoto®Aluminum Coolant Expansion Tank
    2
    # sp8950
    Aluminum Coolant Expansion Tank by Mishimoto®. Add some additional reliability and engine bay styling with the Mishimoto Aluminum Coolant Expansion Tank. To keep your engine cool and improve your vehicle's performance, this product is...
    50% greater capacity than stock plastic expansion tank100% aluminum, fully-welded construction for maximum durability during repeated cold and hot transitions
    $90.95 - $446.02
  • Standard® - TechSmart™ Engine Coolant Expansion Tank
    Standard®TechSmart™ Engine Coolant Expansion Tank
    0
    # sp8844
    TechSmart™ Engine Coolant Expansion Tank by Standard®. SMP's vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $21.30 - $120.80
  • Alzare® - Engine Coolant Recovery Tank
    Alzare®Engine Coolant Recovery Tank
    2
    # sp252059
    Engine Coolant Recovery Tank by Alzare®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Alzare will last a lifetime....
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.19 - $87.34
  • Febi® - Coolant Expansion Tank
    Febi®Coolant Expansion Tank
    0
    # sp137128
    Coolant Expansion Tank by Febi®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Designed to replace your factory productMade from the same grade material as your OE part
    $14.46 - $103.23
  • Febi® - Engine Coolant Expansion Tank
    Febi®Engine Coolant Expansion Tank
    0
    # sp254055
    Engine Coolant Expansion Tank by Febi®. This Febi product is designed to help you restore your engine cooling system to its mint condition, so your motor can run within the proper temperature window required for its safe and efficient...
    Designed to replace your factory productMade from the same grade material as your OE part
    $14.46 - $103.23
  • Moroso® - Coolant Expansion Tank
    Moroso®Coolant Expansion Tank
    0
    # sp49065
    Coolant Expansion Tank by Moroso®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
    Direct bolt-in replacement to stock 2 piece plastic tankFabricated Aluminum for strength
    $161.99 - $917.99
  • Rein® - Engine Coolant Reservoir
    Rein®Engine Coolant Reservoir
    4
    # sp26708
    Engine Coolant Reservoir by Rein®. Improve your vehicle's engine efficiency and extend its life expectancy with Rein Automotive parts that are built with premium quality fit, form, and function. All parts are manufactured in an approved...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $17.21 - $104.67
  • Rein® - Expansion Tank Kit
    Rein®Expansion Tank Kit
    0
    # sp114886
    Expansion Tank Kit by Rein®. Improve your vehicle's engine efficiency and extend its life expectancy with Rein Automotive parts that are built with premium quality fit, form, and function. All parts are manufactured in an approved ISO...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $23.86 - $111.85
  • URO Parts® - Engine Coolant Reservoir Bleeder Screw
    URO Parts®Engine Coolant Reservoir Bleeder Screw
    0
    # sp138738
    Engine Coolant Reservoir Bleeder Screw by URO Parts®. This superior part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of your vehicle. Thoroughly...
    Designed to replace your worn out factory cooling partOptimizes engine cooling performance
    $3.92 - $27.42
  • URO Parts® - Radiator Coolant Hose Connector
    URO Parts®Radiator Coolant Hose Connector
    0
    # sp254117
    Radiator Coolant Hose Connector by URO Parts®. This superior part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of your vehicle. Thoroughly designed and...
    Designed to replace your worn out factory cooling partOptimizes engine cooling performance
    $18.12
  • Genuine® - Engine Coolant Reservoir
    Genuine®Engine Coolant Reservoir
    0
    # sp138682
    Engine Coolant Reservoir by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $25.40 - $283.52
  • Genuine® - Engine Coolant Reservoir Hose Connector
    Genuine®Engine Coolant Reservoir Hose Connector
    0
    # sp138683
    Engine Coolant Reservoir Hose Connector by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $1.71 - $74.94
  • CRP® - Engine Coolant Expansion Tank Hose
    CRP®Engine Coolant Expansion Tank Hose
    0
    # sp153167
    Engine Coolant Expansion Tank Hose by CRP®. Engineered to meet the demanding OE standards set by many of the world's leading automobile manufacturers. That's why you'll find them on some of the world's finest automobiles.
    Durable construction to withstand everyday wear and tearLeak proof junctions ensure long service life and unrestricted flow
    $3.33 - $218.68
  • CRP® - Engine Coolant Reservoir Kit
    CRP®Engine Coolant Reservoir Kit
    0
    # sp243940
    Engine Coolant Reservoir Kit by CRP®. Engineered to meet the demanding OE standards set by many of the world's leading automobile manufacturers. That's why you'll find them on some of the world's finest automobiles.
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $24.82 - $96.65
  • Vaico® - Expansion Tank Sealing Cap
    Vaico®Expansion Tank Sealing Cap
    0
    # sp259735
    Expansion Tank Sealing Cap by Vaico®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $15.44 - $25.04
  • Vaico® - Power Steering Hydraulic Oil Expansion Tank
    Vaico®Power Steering Hydraulic Oil Expansion Tank
    0
    # sp259737
    Power Steering Hydraulic Oil Expansion Tank by Vaico®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $16.32 - $219.88
  • Walker Products® - Engine Coolant Level Sensor
    Walker Products®Engine Coolant Level Sensor
    0
    # sp206348
    Engine Coolant Level Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
    High quality at an affordable priceExpertly made from premium materials
    $14.55 - $52.45
  • Standard® - Engine Coolant Expansion Tank
    Standard®Engine Coolant Expansion Tank
    0
    # sp238172
    Engine Coolant Expansion Tank by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $30.03 - $102.63




Shop By Service Type

While operating, the engine produces a lot of heat that, if not dissipated, can cause overheating and failure of the engine itself and other underhood components. Therefore, there is a cooling system that decreases the temperature in the engine compartment. Inside the system, there is coolant, a mixture of antifreeze and water. This mixture also contains ethylene glycol, an organic compound which is harmful to the environment, so it is extremely important to prevent coolant from getting out of the cooling system. For this purpose, there is an expansion tank that keeps coolant from spilling onto the ground.

Typically, overflow or expansion tanks, exposed to heat and harmful chemicals, are one of the weakest points of the cooling system. BMW 3-Series expansion tanks are generally known to be made of plastic that is not so durable, so they fail rather often, putting other parts of the car at risk. If you have noticed coolant leaks, one of the first things to be inspected is the expansion tank. If it has cracks, replacement is necessary. Our BMW 3-Series coolant overflow tanks and components are made of high-quality plastic so they are more resistant to heat and chemicals than factory ones.

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BMW 3-Series Coolant Overflow Tanks Reviews

1 review
Easy installation and perfect fit, just as the OEM one. Just remember to keep the screws from the OEM mounting plate.
Posted by Nakaya (Plaquemine, LA) / June 22, 20202001 BMW 3-Series
BMW 3-Series Models
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