1981 BMW 633CSi Fuel Injectors

Keep Your 1981 BMW 633CSi in Top Shape with Quality Fuel Injectors

Whether you’re repairing or upgrading your Fuel Injector, using high-quality parts is key to keeping your 1981 BMW 633CSi looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injectors, Air Flow Meters and Mass Air, and Pressure Regulators. 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 1981 BMW 633CSi Fuel Injector at Advance Auto Parts is around $68.99, with a range that starts at $13.99 and goes up to $116.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Fuel Injector Seal Kit, Remanufactured Fuel Injector, and Fuel Injection Pressure Regulator start at just $13.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fuel Injector, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 1981 BMW 633CSi in peak condition, inside and out.

Essential 1981 BMW 633CSi Fuel Injectors

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20037)

Remanufactured Mass Air Flow Sensor

from

$116.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 percent re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100 percent re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100 percent tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
See More

Carquest Premium – Remanufactured Fuel Injector (Part No.A213-1135)

Remanufactured Fuel Injector

from

$61.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1019)

Fuel Injection Pressure Regulator

from

$69.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10560)

Fuel Injection Pressure Regulator

from

$82.99
Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1024)

Fuel Injection Pressure Regulator

from

$85.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
See More

Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS010)

Fuel Injector Seal Kit

from

$13.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS055)

Fuel Injector Seal Kit

from

$4.99
Product Features:
  • Premium OE quality materials
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

Fuel Injector Seal Kit

from

$8.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Most Popular Fuel Injector for 1981 BMW 633CSis

Enhance your 1981 BMW 633CSi with this popular Fuel Injector we have in stock, for $61.99.

Carquest Premium – Remanufactured Fuel Injector (Part No.A213-1135)

Remanufactured Fuel Injector

from

$61.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Best-Selling 1981 BMW 633CSi Air Flow Meters and Mass Air

Upgrade your 633CSi with our best-selling Air Flow Meters and Mass Air.

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20037)

Remanufactured Mass Air Flow Sensor

from

$116.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100 percent re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100 percent re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100 percent tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
See More

Top-Quality Pressure Regulators for 1981 BMW 633CSis

Choose a high-quality OEM or aftermarket Pressure Regulator for BMW 633CSis and enjoy top-notch performance from $82.99.

Delphi – Fuel Injection Pressure Regulator (Part No.FP10560)

Fuel Injection Pressure Regulator

from

$82.99
Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
See More

Our Top Pick for a 1981 BMW 633CSi Fuel Injector Seal Kit

Invest in a durable Fuel Injector Seal Kit for your 1981 BMW, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS010)

Fuel Injector Seal Kit

from

$13.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

FAQs for 1981 BMW 633CSi Fuel Injectors

What are the best-selling Fuel Injectors for 1981 BMW 633CSis?

Out of 4 Fuel Injectors that fit 1981 BMW 633CSis, the following parts are the top sellers:

What’s the price range for 1981 BMW 633CSi Fuel Injectors?

The prices of Fuel Injectors for the 1981 BMW 633CSi range from $13.99 up to $116.99 for the most premium parts.

What is the average price of a Fuel Injector for a 1981 BMW 633CSi?

The average price for Fuel Injectors for the 1981 BMW 633CSi is $68.99. Keep in mind the variety of part types within our Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Injectors for other BMW 633CSi model years?

Yes, we carry Fuel Injectors for 5 model years of BMW 633CSis between 1978 and 1984. The following model years are the most popular for Fuel Injector purchases: 1984, 1983, 1982, 1980, 1979, and 1978.

What are the cheapest Fuel Injectors for my 1981 BMW 633CSi?

The cheapest 1981 BMW 633CSi Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 1981 BMW models?

Yes. We stock Fuel Injectors for 1 other popular 1981 BMW models. Some of the most popular are 1981 528i Fuel Injectors and 1981 733i Fuel Injectors.

What types of Fuel Injectors do you sell for my 1981 BMW 633CSi?

As of 11/2/25, these are some of the most in-demand types of Fuel Injectors for a 1981 BMW 633CSi:

Can I get help with 1981 BMW 633CSi Fuel Injector orders?

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

What is your return policy for BMW 633CSi Fuel Injectors?

Advance Auto Parts keeps returns simple. For new BMW 633CSi Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.