1988 BMW 635CSi Differentials
Keep Your 1988 BMW 635CSi in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1988 BMW 635CSi looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Front Differential Pinion Bearings, and Differential Pinion Pilot Bearings. 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 Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National and Valvoline. For example, National Differentials start at just $23.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 448 reviews and a solid 5 star average, you can shop with confidence knowing other BMW 635CSi owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1988 BMW 635CSi Differential at Advance Auto Parts is around $24.44, with a range that starts at $11.29 and goes up to $39.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Tapered Roller Bearing Cone, Tapered Roller Bearing Cone, and Bearing Race start at just $11.29 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1988 BMW 635CSi in peak condition, inside and out.
Find Your Specific 1988 BMW 635CSi Differentials
Looking for the perfect Differential for your 1988 BMW 635CSi? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your BMW 635CSi. Whether you’re driving a 1988 model or another popular model year like
1985,
1986,
1987, and
1989, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1988 BMW 635CSi Differentials
Driveworks – Tapered Roller Bearing (Part No.S-HM-89449)
National – Tapered Roller Bearing Cone (Part No.HM89449)
from
$23.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.HM88510)
from
$11.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.HM88542)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Driveworks – Camshaft Seal (Part No.S-99139)
National – Shaft Repair Sleeve (Part No.99177)
from
$39.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Rein – Differential Plug (Part No.HWU0065)
from
$19.99
Rein Aluminum Magnetic Differential Oil Drain Plugs are upgraded drain plugs to the OE design that include a captive magnet. To protect your investment, Rein Magnetic Differential Oil Drain Plugs act as a quick additional point of inspection for internal wear during an oil change. The captive magnet is made of rare earth metals and is used to attract metal wear particles that may be floating in the differential. By holding onto these metal particles, it gives an insight into the health of your differential while preventing the particles from being recirculated and causing more damage.
Product Features:
See More
Product Features:
- Designed and constructed to strict engineering quality standards to ensure proper sealing.
- Plug with a flush-style magnet designed as an upgrade to the OE.
Popular 1988 BMW 635CSi Differentials Categories
Most Popular Differential Oil for 1988 BMW 635CSis
Enhance your 1988 BMW 635CSi with this popular Differential Oil we have in stock, for $35.99.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Best-Selling 1988 BMW 635CSi Front Differential Pinion Bearings
Upgrade your 635CSi with one of our 4 best-selling Front Differential Pinion Bearings, earning an average 4 stars rating across 1 reviews.
National – Tapered Roller Bearing Cone (Part No.HM89449)
from
$23.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.HM88542)
from
$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.HM88510)
from
$11.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Driveworks – Tapered Roller Bearing (Part No.S-HM-89449)
Top-Quality Differential Pinion Pilot Bearings for 1988 BMW 635CSis
Choose a high-quality OEM or aftermarket Differential Pinion Pilot Bearing for BMW 635CSis and enjoy top-notch performance from $23.99.
National – Shaft Repair Sleeve (Part No.99177)
from
$39.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Driveworks – Camshaft Seal (Part No.S-99139)
Our Top Pick for a 1988 BMW 635CSi Differential Drain Plug
Invest in a
durable Differential Drain Plug for your 1988 BMW, knowing you’re getting trusted brands and expert craftsmanship.
Rein – Differential Plug (Part No.HWU0065)
from
$19.99
Rein Aluminum Magnetic Differential Oil Drain Plugs are upgraded drain plugs to the OE design that include a captive magnet. To protect your investment, Rein Magnetic Differential Oil Drain Plugs act as a quick additional point of inspection for internal wear during an oil change. The captive magnet is made of rare earth metals and is used to attract metal wear particles that may be floating in the differential. By holding onto these metal particles, it gives an insight into the health of your differential while preventing the particles from being recirculated and causing more damage.
Product Features:
See More
Product Features:
- Designed and constructed to strict engineering quality standards to ensure proper sealing.
- Plug with a flush-style magnet designed as an upgrade to the OE.
Top-Rated Differential Brands For Your 1988 BMW 635CSi
When it comes to finding the perfect Differential for your 1988 BMW 635CSi, 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 Differential brands including Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $23.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1988 BMW 635CSi, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1988 BMW 635CSi Differentials
If you’re looking for a top-quality Differential for your 1988 BMW 635CSi, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1988 BMW 635CSi come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
Top-Quality National 1988 BMW 635CSi Differentials
For those in search of a high-quality Differential for their 1988 BMW 635CSi, Advance Auto Parts offers a great selection of National Differentials. With 2 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $23.99, with an average price of $31.99, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$23.99
(1)
Tapered Roller Bearing Cone
“This Is The One That Fit My 1971 CHEVY TRUCK 12 BOLT PINION REAR BACK BEARING”
from
$39.99
(1)
Shaft Repair Sleeve
“Easy to use, too early to tell how long it will last. It did stop the oil leak with a new oil seal on the front crankshaft pulley. 87 mercedes 300td.”
FAQs for 1988 BMW 635CSi Differentials
What are the best-selling Differentials for 1988 BMW 635CSis?
Out of 8 Differentials that fit 1988 BMW 635CSis, the following parts are the top sellers:
- Tapered Roller Bearing Cone (3276961) – $22.99
- Tapered Roller Bearing Cone (5052424) – $23.99
- Bearing Race (3276953) – $11.29
What’s the price range for 1988 BMW 635CSi Differentials?
The prices of Differentials for the 1988 BMW 635CSi range from $11.29 up to $39.99 for the most premium parts.
What is the average price of a Differential for a 1988 BMW 635CSi?
The average price for Differentials for the 1988 BMW 635CSi is $24.44. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other BMW 635CSi model years?
What are the cheapest Differentials for my 1988 BMW 635CSi?
The cheapest 1988 BMW 635CSi Differentials we carry are:
- Bearing Race (3276953) – $11.29
- Tapered Roller Bearing (10659559) – $17.29
- Differential Plug (50257776) – $19.99
- Tapered Roller Bearing Cone (3276961) – $22.99
- Tapered Roller Bearing Cone (5052424) – $23.99
Does Advance Auto Parts sell Differentials for any other 1988 BMW models?
Yes. We stock Differentials for 12 other popular 1988 BMW models. Some of the most popular are 1988 325i Differentials, 1988 M3 Differentials, 1988 535i Differentials, 1988 M5 Differentials, and 1988 735i Differentials.
What are the top-rated Differentials that fit the 1988 BMW 635CSi?
Based on 448 reviews by customers, our 1988 BMW 635CSi Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1988 BMW 635CSi and their top-rated products:
- Differential Oil
- MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (8150020) – $35.99
- Front Differential Pinion Bearings
- Tapered Roller Bearing Cone (5052424) – $23.99
- Differential Pinion Pilot Bearings
- Shaft Repair Sleeve (3271730) – $39.99
What types of Differentials do you sell for my 1988 BMW 635CSi?
As of 3/1/26, these are some of the most in-demand types of Differentials for a 1988 BMW 635CSi:
Can I get help with 1988 BMW 635CSi Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about BMW Differentials and more.
What is your return policy for BMW 635CSi Differentials?
Advance Auto Parts keeps returns simple. For new BMW 635CSi Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.