2021 BMW 740i xDrive Engine Cooling Parts

Keep Your 2021 BMW 740i xDrive in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2021 BMW 740i xDrive looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Reservoirs, Engine Coolant Vent Screws, and Coolant Reservoir Caps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2021 BMW 740i xDrive Engine Cooling Part at Advance Auto Parts is around $61.39, with a range that starts at $8.99 and goes up to $137.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Brass Coolant Air Bleeder Screw (OE Fix), Cap-Expansion Tank, and Expansion Tank start at just $8.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts. At Advance Auto Parts, we’re here to help you keep your 2021 BMW 740i xDrive in peak condition, inside and out.

Essential 2021 BMW 740i xDrive Engine Cooling Parts

Dorman – Coolant Air Bleeder Screw (Part No.902-404)

Coolant Air Bleeder Screw

from

$14.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw
  • Durable materials – designed to withstand high cooling system temperatures and pressures
  • Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
See More

Dorman – Brass Coolant Air Bleeder Screw (OE Fix) (Part No.902-404HP)

Brass Coolant Air Bleeder Screw (OE Fix)

from

$8.99
On certain BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles, the original equipment engine coolant bleeder screw is made of plastic. Over time and during normal service, the head of the plastic screw deforms, becomes difficult to turn, and inevitably requires replacement. This Dorman OE FIX coolant air bleeder screw is made of brass to resist deforming during service, saving the expense of replacing the original screw with the same failure-prone plastic design.

Product Features:
  • Upgraded material – this brass coolant air bleeder screw reduces future maintenance costs by replacing the original equipment plastic screw on specified BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles
  • Ideal solution – instead of wasting time wrestling with a deformed plastic screw head, this sturdy brass screw ensures easy, reliable removal and reuse
  • Durable construction – made of quality brass for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Motorad – Radiator Cap: 20 PSI (Part No.T-64)

Radiator Cap: 20 PSI

from

$26.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Rein – Cap-Expansion Tank (Part No.CPE0035)

Cap-Expansion Tank

from

$24.99
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Direct fit.
  • Meets or exceeds pressure specifications demanded by the OE manufacturer.
  • Produced by an original equipment supplier.
See More

Carquest Premium – Radiator Cap: 20 PSI (Part No.T64)

Radiator Cap: 20 PSI

from

$27.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:


    Product Features:
    • Maintains proper cooling system pressure
    • Easy installation and removal
    • 100% tested to ensure proper pressure and longevity
    • Meets all OEM specifications
See More

Carquest Premium – Engine Coolant Temperature Sensor (Part No.WTA2276)

Engine Coolant Temperature Sensor

from

$96.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure extremely accurate temperature readings for optimal performance
  • O-rings, seals or thread sealant are included if required
  • Wires, clips and probe length match OE (where applicable)
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Coolant Temperature Sensor 1TS1493 (Part No.WTA2355)

Coolant Temperature Sensor 1TS1493

from

$137.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • Extensive design validation testing and 100% end-of-line tested
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

URO Parts – Expansion Tank (Part No.17138610656)

Expansion Tank

from

$119.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products. URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
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Most Popular Coolant Reservoir for 2021 BMW 740i xDrives

Enhance your 2021 BMW 740i xDrive with this popular Coolant Reservoir we have in stock, for $119.99.

URO Parts – Expansion Tank (Part No.17138610656)

Expansion Tank

from

$119.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products. URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More

Best-Selling 2021 BMW 740i xDrive Engine Coolant Vent Screws

Upgrade your 740i xDrive with one of our 2 best-selling Engine Coolant Vent Screws, earning an average 3.5 stars rating across 5 reviews.

Dorman – Coolant Air Bleeder Screw (Part No.902-404)

Coolant Air Bleeder Screw

from

$14.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw
  • Durable materials – designed to withstand high cooling system temperatures and pressures
  • Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
See More

Dorman – Brass Coolant Air Bleeder Screw (OE Fix) (Part No.902-404HP)

Brass Coolant Air Bleeder Screw (OE Fix)

from

$8.99
On certain BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles, the original equipment engine coolant bleeder screw is made of plastic. Over time and during normal service, the head of the plastic screw deforms, becomes difficult to turn, and inevitably requires replacement. This Dorman OE FIX coolant air bleeder screw is made of brass to resist deforming during service, saving the expense of replacing the original screw with the same failure-prone plastic design.

Product Features:
  • Upgraded material – this brass coolant air bleeder screw reduces future maintenance costs by replacing the original equipment plastic screw on specified BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles
  • Ideal solution – instead of wasting time wrestling with a deformed plastic screw head, this sturdy brass screw ensures easy, reliable removal and reuse
  • Durable construction – made of quality brass for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Top-Quality Coolant Reservoir Caps for 2021 BMW 740i xDrives

Choose a high-quality OEM or aftermarket Coolant Reservoir Cap for BMW 740i xDrives and enjoy top-notch performance from $24.99.

Rein – Cap-Expansion Tank (Part No.CPE0035)

Cap-Expansion Tank

from

$24.99
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Direct fit.
  • Meets or exceeds pressure specifications demanded by the OE manufacturer.
  • Produced by an original equipment supplier.
See More

Our Top Pick for a 2021 BMW 740i xDrive Coolant Temperature Sensor

Invest in a durable Coolant Temperature Sensor for your 2021 BMW, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Coolant Temperature Sensor 1TS1493 (Part No.WTA2355)

Coolant Temperature Sensor 1TS1493

from

$137.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

FAQs for 2021 BMW 740i xDrive Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2021 BMW 740i xDrives?

Out of 5 Engine Cooling Parts that fit 2021 BMW 740i xDrives, the following parts are the top sellers:

What’s the price range for 2021 BMW 740i xDrive Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2021 BMW 740i xDrive range from $8.99 up to $137.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2021 BMW 740i xDrive?

The average price for Engine Cooling Parts for the 2021 BMW 740i xDrive is $61.39. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other BMW 740i xDrive model years?

Yes, we carry Engine Cooling Parts for 4 model years of BMW 740i xDrives between 2017 and 2022. The following model years are the most popular for Engine Cooling Part purchases: 2022, 2020, 2019, 2018, and 2017.

What are the cheapest Engine Cooling Parts for my 2021 BMW 740i xDrive?

The cheapest 2021 BMW 740i xDrive Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2021 BMW models?

Yes. We stock Engine Cooling Parts for 26 other popular 2021 BMW models. Some of the most popular are 2021 M3 Engine Cooling Parts, 2021 530i Engine Cooling Parts, 2021 X3 Engine Cooling Parts, 2021 X5 Engine Cooling Parts, and 2021 M5 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2021 BMW 740i xDrive?

The one 2021 BMW 740i xDrive Engine Cooling Part we have in stock is the Brass Coolant Air Bleeder Screw (OE Fix). It costs $8.99.

What types of Engine Cooling Parts do you sell for my 2021 BMW 740i xDrive?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2021 BMW 740i xDrive:

Can I get help with 2021 BMW 740i xDrive Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about BMW Engine Cooling Parts and more.

What is your return policy for BMW 740i xDrive Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new BMW 740i xDrive Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.