ACT RB172 Release Bearing 837055004932

( Brand: Act ), ( Manufacturer Part Number: RB172 ), ( Part Type: Bearing ), ( Air Freight Prohibited: False ), ( UPC: 837055004932 )

Review ACT Release Bearing For Bmw Series And Model's fits Z3

Introducing the ACT RB172 Release Bearing for BMW Z3, a high-performance upgrade designed to enhance the driving experience of your beloved BMW Z3. Engineered with precision and crafted from top-quality materials, this release bearing is the perfect solution for those seeking to optimize their engine's power delivery and improve overall vehicle performance.

The ACT RB172 Release Bearing is specifically designed to fit the BMW Z3 models with the M54B25 engine, providing a direct replacement for the OEM part. This bearing utilizes a unique design featuring a high-strength steel race, a precision-machined billet steel housing, and a high-quality, low-friction, composite material for the bearing surface. These features work together to provide exceptional durability, reduced friction, and improved performance.

Compared to the stock release bearing, the ACT RB172 offers several advantages. Its low-friction composite material ensures smoother operation, resulting in quicker throttle response and more efficient power delivery. The high-strength steel race and billet steel housing provide increased durability, reducing the likelihood of failure and minimizing the risk of engine damage. Additionally, this upgrade can help reduce engine vibration, contributing to a more refined driving experience.

Installing the ACT RB172 Release Bearing is a straightforward process, making it an accessible upgrade for enthusiasts and DIYers alike. The new bearing comes complete with all necessary hardware and detailed installation instructions to ensure a hassle-free installation experience. For added peace of mind, the ACT RB172 is backed by a comprehensive warranty, ensuring that you are investing in a top-quality product that is built to last.

In summary, the ACT RB172 Release Bearing for BMW Z3 is a high-performance upgrade that delivers improved power delivery, enhanced durability, and a smoother driving experience. Engineered with precision and crafted from top-quality materials, it is the perfect choice for BMW Z3 owners seeking to optimize their engine's performance and take their vehicle to the next level.

Buying a ACT RB172 release bearing for a BMW Z3 can offer several advantages and potential disadvantages, depending on individual needs and circumstances. Here are some pros and cons to consider:

1. Improved Shifting: The ACT RB172 release bearing is designed to provide smoother and more consistent clutch engagement. This can result in improved shifting and a more enjoyable driving experience.

2. Durability: The bearing is made from high-quality materials, such as billet steel and hardened steel, which can provide increased durability compared to the OEM part.

3. Reduced Wear: The ACT RB172 release bearing is engineered to reduce wear on the clutch disc and pressure plate. This can help prolong the life of the clutch system.

4. Race-Proven: The ACT RB172 release bearing is used in professional racing applications, demonstrating its reliability and performance capabilities.

1. Cost: The ACT RB172 release bearing is more expensive than the OEM part. This may be a deterrent for some buyers who are looking for a more budget-friendly option.

2. Installation: Installing the ACT RB172 release bearing may require additional labor and tools compared to the OEM part. This can add to the overall cost of the upgrade.

3. Noise: Some users have reported increased noise levels after installing the ACT RB172 release bearing. This may be due to the different material properties or design of the bearing compared to the OEM part.

The ACT RB172 release bearing for a BMW Z3 offers several advantages, including improved shifting, durability, reduced wear, and race-proven performance. However, it also comes with some potential drawbacks, such as a higher cost and potential for increased noise. Ultimately, whether or not this upgrade is worthwhile depends on individual driving preferences and priorities. If you value smoother shifting and improved clutch performance, and you are willing to pay the additional cost, then the ACT RB172 release bearing may be a worthwhile investment. On the other hand, if you prioritize a quieter driving experience or a more budget-friendly option, then you may want to consider other alternatives.

If you are considering purchasing an ACT RB172 release bearing for your BMW Z3, it is important to weigh the pros and cons carefully and consider your individual driving needs and priorities. If you value improved clutch performance and durability, and you are willing to pay the additional cost, then the ACT RB172 release bearing may be a good investment. However, if you prioritize a quieter driving experience or a more budget-friendly option, then you may want to explore other alternatives, such as a high-performance clutch kit or a different release bearing design. It is always recommended to consult with a professional mechanic or clutch specialist to help you make an informed decision.

Details:

Constructed with high-quality materials, this bearing handles operational stresses efficiently, providing a smooth clutch engagement and disengagement process. Crafted with precision to ensure reliable performance, this bearing is suitable for various BMW model's including 3 Series and Z3 series from the early 19902001. The ACT RB172 release bearing is a high-quality, direct-fit component designed to meet or surpass original equipment standards. Features: High-quality, direct-fit release bearing for BMW model's.

It is suitable for vehicles such as the 1992 to 1998 BMW 328i, 1994 328is, 1993 1996 325i, 1997 2001 Z3, and others within this range. OE-style or better design ensures proper fit and function. Meets or exceeds OE standards for reliability and performance. Manufactured with excellence in mind, the RB172 features OE-style specifications or better, ensuring compatibility and performance consistency.

Its robust construction provides smooth operation and durability, essential for maintaining clutch system integrity driving confidence.

part #: rb172 prices

• $94.95-$100.56

specifications motoralph:

• for models: Z3
• for makes: Bmw
• brand: Act
• mpn: Rb172
• part type: Bearing
• air freight prohibited: False
• upc: 837055004932

payments motoralph:

• credit card: Visa
• other
• wallet: Apple-pay

shipping motoralph:

• type: Fixed
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• class: Standard
• transit: 6-13 Days

offer motoralph:

• quantity: 3
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: May 21, 2026

seller motoralph:

• city: Milpitas, California
• # reviews: 1598
• rating: 100.0%

general motoralph:

• condition: New
• Motors > Parts Accessories > Other

returns motoralph:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

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