Transmission Filter Kit Guide for the 2000 BMW 328Ci
Keep your E46 automatic transmission shifting correctly by choosing the right service kit.
- You must identify if your car has a GM or ZF transmission before buying a kit; they are not interchangeable.
- Ignore BMW's "lifetime fluid" claim and service your transmission every 50,000-60,000 miles to prevent major damage.
- Using the correct transmission fluid (Dexron VI for GM, specific fluid for ZF) is just as important as the filter itself.
- Symptoms like harsh shifting or whining noises should be addressed immediately to avoid catastrophic transmission failure.
The Most Important Step: Identify Your Transmission
STOP: Before ordering any parts, you must identify which 5-speed automatic transmission is in your 2000 328Ci. BMW used two different suppliers for this model, and their parts are not interchangeable.
- GM (General Motors) Transmission: Models A5S360R or A5S390R. These have a smooth, flat-bottomed metal oil pan held on by 20 bolts.
- ZF Transmission: Model A5S325Z (also called 5HP19). These have a stepped, or segmented, metal oil pan held on by 22 bolts.
Pro-Tip: The only way to be 100% certain is to get under the car and look for the identification tag on the side of the transmission or count the pan bolts. Ordering the wrong kit is the most common mistake owners make.
Symptoms of a Clogged Transmission Filter
When the filter gets clogged, it restricts fluid flow, which can starve the transmission of the pressure it needs to operate. This can lead to serious problems. Look out for these warning signs:
- Harsh or Delayed Shifting: The car may hesitate or jerk when shifting between gears.
- Slipping Gears: The engine RPMs may flare up between shifts, as if the transmission is briefly in neutral.
- Unusual Noises: You might hear whining, humming, or clunking sounds that change with engine speed.
- Burning Smell: A clogged filter can cause the transmission to overheat, which gives the fluid a burnt toast smell.
- Warning Lights: A "TRANS. FAIL-SAFE PROG" message may appear on your instrument cluster.
- Fluid Leaks: Increased pressure from a clog can force fluid past seals and gaskets.
Choosing the Right Aftermarket Kit
BMW originally claimed the transmission fluid was a "lifetime" fill, but experience has shown this is not true. Servicing your transmission every 50,000 to 60,000 miles is crucial for longevity. When choosing a kit, consider these brand tiers:
- Tier 1 (OEM Quality): Brands like ZF, CRP (Rein), and Vaico are often original equipment manufacturers for BMW. These kits provide the best fit and materials, closely matching the part that came from the factory. Meyle and Febi-Bilstein are also well-regarded German brands that produce high-quality kits.
- Tier 2 (Reputable Aftermarket): Brands like Wix and Beck Arnley have a strong reputation for producing quality filters that meet or exceed OEM standards. They are a reliable choice for a quality repair.
- Tier 3 (Budget-Friendly): Brands like ATP, Pioneer Cable, and Premium Guard offer more affordable options. While functional, they may not use the same quality materials or have the same longevity as higher-tier brands.
| Part Type | Price Range | Notes |
|---|---|---|
| New Aftermarket Kit | $27.65 - $377.36 | Price varies greatly depending on brand and whether fluid is included. |
| New OEM Kit (ZF or Genuine BMW) | $145 - $255 | Represents the highest quality and includes filter, gasket, and sometimes bolts or plugs. |
| Shop Labor | $183 - $269 | Based on 1.5-2.5 hours of work. |
Frequently Asked Questions (FAQ)
How often should I change the transmission filter?
For preventative maintenance, you should change the transmission fluid and filter every 50,000 to 60,000 miles. If you drive in heavy traffic or harsh conditions, consider doing it sooner. Do not follow the old "lifetime fluid" recommendation.
Do I need to use special transmission fluid?
Yes, using the correct fluid is critical. The GM transmission (A5S360R/390R) requires a Dexron VI (Dexron 6) compatible fluid. The ZF transmission (A5S325Z) requires its own specific fluid, often sold as ZF Lifeguard 5 or under a specific BMW part number. Using the wrong fluid can cause severe shifting problems and damage.
Can I replace the filter myself?
This job is possible for an experienced DIY mechanic but can be very messy. It requires safely lifting the car, removing up to 22 pan bolts, cleaning the old gasket material thoroughly, and performing a specific fill procedure that involves checking the fluid level at a certain temperature while the engine is running. If you are not comfortable with this, it is best left to a professional.
Were there any recalls on the transmission filter?
No, there have been no specific recalls issued by the NHTSA for the transmission or filter on the 2000 BMW 328Ci. Recalls for this model year primarily concern Takata airbags.
Technical Specifications
OEM Part Numbers: 24117557070 (GM A5S360R/390R) 24152333824 (GM A5S360R/390R) 24152333915 (ZF A5S325Z) 24341423376 (ZF A5S325Z Filter Only)
Kit must be matched to the transmission manufacturer: General Motors (GM) or ZF. GM versions use a pan with 20 bolts. ZF versions use a pan with 22 bolts.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- BMW 328Ci: