2004 BMW 645Ci Transmission Fluids

Keep Your 2004 BMW 645Ci in Top Shape with Quality Transmission Fluids

Whether you’re repairing or upgrading your Transmission Fluid, using high-quality parts is key to keeping your 2004 BMW 645Ci looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Fluids, Manual Transmission Fluids, and Dual Clutch Transmission Fluids. 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.

Top-Rated Transmission Fluids from Trusted Brands

Looking for a reliable Transmission Fluid? We’ve got you covered with options from brands you know and trust like Castrol and Valvoline. For example, Castrol Transmission Fluids start at just $12.29 with an average 4.9 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 549 reviews and a solid 5 star average, you can shop with confidence knowing other BMW 645Ci owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 BMW 645Ci Transmission Fluid at Advance Auto Parts is around $38.72, with a range that starts at $12.29 and goes up to $131.99. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like FFL4 Full Synthetic Double Clutch Transmission Fluid: 1 Liter, Automatic Transmission Fluid – 5 Liter Bottle, and Extended Protection Automatic Transmission Fluid, 1 Quart start at just $14.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transmission Fluid, don’t forget to check out other key components like Coolant/Antifreeze and Fluids. At Advance Auto Parts, we’re here to help you keep your 2004 BMW 645Ci in peak condition, inside and out.

Essential 2004 BMW 645Ci Transmission Fluids

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Pentosin – FFL4 Full Synthetic Double Clutch Transmission Fluid: 1 Liter (Part No.1080107)

FFL4 Full Synthetic Double Clutch Transmission Fluid: 1 Liter

from

$49.99
Pentosin FFL-4 is the only approved First Fill and Service Fill transmission fluid for the new generation of BMW double clutch gear transmissions (DCT). Pentosin FFL-4 is founded on a fully synthetic base oil technology for safe operation at even the highest thermal load. FFL-4 features a special clutch friction performance which makes it mandatory to be applied solely to the double clutch gear box do not mix with any other gear oils.

Product Features:
  • Formulated anti-wear chemistry and friction modifiers guarantee stable friction performance in modern transmissions.
  • Fully synthetic fluid with constant stable friction characteristics under the most severe driving conditions.
  • Exclusively developed for applications in the new Audi/Volkswagen, BMW, Porsche double clutch transmission.
  • Features a special clutch friction performance which makes it mandatory to be applied to DCT gear box only.
See More

Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)

Extended Protection Automatic Transmission Fluid, 1 Quart

from

$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.

Product Features:
  • The ultimate protection for your automatic transmission
  • 45% stronger against breakdown
  • Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
  • Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
See More

ATP – Auto Trans Fluid (Part No.AT-216)

Auto Trans Fluid

from

$22.99
Product Features:
  • Fully Synthetic
  • Advance transmission protection from standard to sever duty
  • Resist thermal breakdown, oxidation, varnish and sludge
See More

Castrol – Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon (Part No.15E0C8)

Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon

from

$25.99
Castrol® Transmax® ATF/CVT Universal is a technologically advanced, full-synthetic formulation designed to deliver excellent performance in most traditional step-shifting automatic transmissions and continuously variable transmissions currently in use. It is also suitable for use in hybrids. It is blended with premium base oils and an additive package that utilizes Castrol Smooth Drive® Technology.

Product Features:
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Broad scope of vehicle applications improves workshop efficiency and inventory management
  • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
  • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
  • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
  • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
See More

Castrol – Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart) (Part No.152A76)

Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart)

from

$12.29
Automatic transmission fluid is a technologically advanced, low viscosity formulation specially designed to deliver performance and maximum fuel efficiency for modern automatic transmissions.

Product Features:
  • Full Synthetic, low viscosity formulation
  • OEM approved and licensed by Ford (MERCON® LV) and GM (DEXRON® -VI)
  • Low viscosity formula for maximum fuel efficiency in modern automatic transmissions
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Industry Specifications and OEM Approvals: JASO-1A
  • Licensed and approved for use in: All GM vehicles (DEXRON®-VI, All previous DEXRON®); All Ford vehicles which specify Mercon® LV
See More

Pentosin – Automatic Transmission Fluid – 5 Liter Bottle (Part No.1058207)

Automatic Transmission Fluid - 5 Liter Bottle

from

$131.99
Automatic Transmission Fluid – 5 Liter Bottle

Most Popular Automatic Transmission Fluids for 2004 BMW 645Cis

Enhance your 2004 BMW 645Ci with one of the 4 Automatic Transmission Fluids we have in stock, starting at just $12.29.

Castrol – Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart) (Part No.152A76)

Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart)

from

$12.29
Automatic transmission fluid is a technologically advanced, low viscosity formulation specially designed to deliver performance and maximum fuel efficiency for modern automatic transmissions.

Product Features:
  • Full Synthetic, low viscosity formulation
  • OEM approved and licensed by Ford (MERCON® LV) and GM (DEXRON® -VI)
  • Low viscosity formula for maximum fuel efficiency in modern automatic transmissions
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Industry Specifications and OEM Approvals: JASO-1A
  • Licensed and approved for use in: All GM vehicles (DEXRON®-VI, All previous DEXRON®); All Ford vehicles which specify Mercon® LV
See More

Pentosin – Automatic Transmission Fluid – 5 Liter Bottle (Part No.1058207)

Automatic Transmission Fluid - 5 Liter Bottle

from

$131.99
Automatic Transmission Fluid – 5 Liter Bottle

Castrol – Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon (Part No.15E0C8)

Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon

from

$25.99
Castrol® Transmax® ATF/CVT Universal is a technologically advanced, full-synthetic formulation designed to deliver excellent performance in most traditional step-shifting automatic transmissions and continuously variable transmissions currently in use. It is also suitable for use in hybrids. It is blended with premium base oils and an additive package that utilizes Castrol Smooth Drive® Technology.

Product Features:
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Broad scope of vehicle applications improves workshop efficiency and inventory management
  • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
  • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
  • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
  • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
See More

ATP – Auto Trans Fluid (Part No.AT-216)

Auto Trans Fluid

from

$22.99
Product Features:
  • Fully Synthetic
  • Advance transmission protection from standard to sever duty
  • Resist thermal breakdown, oxidation, varnish and sludge
See More

Best-Selling 2004 BMW 645Ci Manual Transmission Fluid

Upgrade your 645Ci with our best-selling Manual Transmission Fluid.

Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)

Extended Protection Automatic Transmission Fluid, 1 Quart

from

$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.

Product Features:
  • The ultimate protection for your automatic transmission
  • 45% stronger against breakdown
  • Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
  • Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
See More

Top-Quality Dual Clutch Transmission Fluids for 2004 BMW 645Cis

Choose a high-quality OEM or aftermarket Dual Clutch Transmission Fluid for BMW 645Cis and enjoy top-notch performance from $12.79.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Pentosin – FFL4 Full Synthetic Double Clutch Transmission Fluid: 1 Liter (Part No.1080107)

FFL4 Full Synthetic Double Clutch Transmission Fluid: 1 Liter

from

$49.99
Pentosin FFL-4 is the only approved First Fill and Service Fill transmission fluid for the new generation of BMW double clutch gear transmissions (DCT). Pentosin FFL-4 is founded on a fully synthetic base oil technology for safe operation at even the highest thermal load. FFL-4 features a special clutch friction performance which makes it mandatory to be applied solely to the double clutch gear box do not mix with any other gear oils.

Product Features:
  • Formulated anti-wear chemistry and friction modifiers guarantee stable friction performance in modern transmissions.
  • Fully synthetic fluid with constant stable friction characteristics under the most severe driving conditions.
  • Exclusively developed for applications in the new Audi/Volkswagen, BMW, Porsche double clutch transmission.
  • Features a special clutch friction performance which makes it mandatory to be applied to DCT gear box only.
See More

Top-Rated Transmission Fluid Brands For Your 2004 BMW 645Ci

When it comes to finding the perfect Transmission Fluid for your 2004 BMW 645Ci, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Transmission Fluid brands including Castrol and Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $12.29. Purchasing a Transmission Fluid from us here at Advance Auto Parts is a smart move for both you and your 2004 BMW 645Ci, providing peace of mind with parts that meet or exceed OEM standards.

Popular Castrol 2004 BMW 645Ci Transmission Fluids

If you’re looking for a top-quality Transmission Fluid for your 2004 BMW 645Ci, Advance Auto Parts has exactly what you need with our selection of Castrol Transmission Fluids. We have 1 Castrol Transmission Fluids in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.29, you’ll find the perfect Transmission Fluid for your needs and budget. Castrol Transmission Fluids for the 2004 BMW 645Ci come highly rated, with over 103 customer reviews and an impressive average rating of 4.9 stars. Choosing a Castrol Transmission Fluid from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart)
from $12.29
(103)
Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart)
“Truly improved shifting and mileage – 2005 Toyota RAV4”

Top-Quality Valvoline 2004 BMW 645Ci Transmission Fluids

For those in search of a high-quality Transmission Fluid for their 2004 BMW 645Ci, Advance Auto Parts offers a great selection of Valvoline Transmission Fluids. With 1 Valvoline Transmission Fluids in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Transmission Fluids start at just $12.79, giving you a range of options to suit your budget. Backed by over 446 customer ratings and an average rating of 4.8 stars, Valvoline Transmission Fluids provide both reliability and excellent performance. Choosing a Valvoline Transmission Fluid from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2004 BMW 645Ci Transmission Fluids

What are the best-selling Transmission Fluids for 2004 BMW 645Cis?

Out of 7 Transmission Fluids that fit 2004 BMW 645Cis, the following parts are the top sellers:

What’s the price range for 2004 BMW 645Ci Transmission Fluids?

The prices of Transmission Fluids for the 2004 BMW 645Ci range from $12.29 up to $131.99 for the most premium parts.

What is the average price of a Transmission Fluids Transmission Fluid for a 2004 BMW 645Ci?

The average price for Transmission Fluids for the 2004 BMW 645Ci is $38.72. Keep in mind the variety of part types within our Transmission Fluid category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Transmission Fluids for my 2004 BMW 645Ci?

Does Advance Auto Parts sell Transmission Fluids for any other 2004 BMW models?

Yes. We stock Transmission Fluids for 16 other popular 2004 BMW models. Some of the most popular are 2004 325i Transmission Fluids, 2004 M3 Transmission Fluids, 2004 325xi Transmission Fluids, 2004 530i Transmission Fluids, and 2004 330i Transmission Fluids.

What are the top-rated Transmission Fluids that fit the 2004 BMW 645Ci?

Based on 549 reviews by customers, our 2004 BMW 645Ci Transmission Fluids have an average customer rating of 5 stars. These are the highest-rated categories of Transmission Fluids for the 2004 BMW 645Ci and their top-rated products:

What types of Transmission Fluids do you sell for my 2004 BMW 645Ci?

As of 4/10/25, these are some of the most in-demand types of Transmission Fluids for a 2004 BMW 645Ci:

Can I get help with 2004 BMW 645Ci Transmission Fluid orders?

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

What is your return policy for BMW 645Ci Transmission Fluids?

Advance Auto Parts keeps returns simple. For new BMW 645Ci Transmission Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.