BMW SB45A Flywheel N62

( Manufacturer Part Number: SB45A ), ( Type: Flywheel ), ( Flywheel Type: Rimmed ), ( Material: Aluminum ), ( Universal Fitment: Yes ), ( Vintage Part: No ), ( Transmission Type: Manual )

Review BMW N62 Lightweight Flywheel

BMW SB45A N62 Flywheel

The BMW SB45A N62 Flywheel is a critical component of the N62 engine, which is renowned for its advanced technology and exceptional performance. This flywheel is engineered to provide efficient power transmission from the engine to the transmission, ensuring optimal operating conditions for the engine.

The SB45A N62 Flywheel is a dual-mass design, meaning it has two separate masses connected by a damper system. This design helps to reduce engine vibrations and improve overall power delivery. It is manufactured using high-quality materials, such as precision-forged steel, to ensure durability and longevity.

The outer mass of the flywheel is designed to engage with the engine's crankshaft, while the inner mass is connected to the engine's accessory drive belt. This design allows the engine's accessories, such as the alternator and power steering pump, to continue operating even when the engine is idling or not providing power to the transmission.

The SB45A N62 Flywheel features a unique friction surface that ensures optimal contact with the clutch disc. This surface is designed to provide excellent grip and wear resistance, ensuring a smooth and reliable engagement between the flywheel and clutch disc.

This BMW SB45A N62 Flywheel is engineered to meet the highest standards of quality and performance. It is rigorously tested to ensure it meets or exceeds OEM specifications. Installation is straightforward and can be completed by a competent mechanic or DIY enthusiast with the appropriate tools and knowledge.

In summary, the BMW SB45A N62 Flywheel is a crucial component of the N62 engine, designed to provide efficient power transmission and reduce engine vibrations. It is manufactured using high-quality materials, features a unique friction surface, and is rigorously tested to ensure optimal performance and durability.

The BMW N62 and SB45a engines are known for their powerful performance and refined driving experience. Replacing the stock flywheel with a BMW SB45a N62 flywheel can offer several benefits, but it also comes with some drawbacks. Here are the pros and cons of buying a BMW SB45a N62 flywheel.

1. Enhanced Performance: A BMW SB45a N62 flywheel is lighter than the stock flywheel, resulting in improved engine response and acceleration. The lighter flywheel reduces inertia, allowing the engine to rev faster and more smoothly.

2. Clutch Durability: A lighter flywheel puts less stress on the clutch system, leading to increased clutch longevity. This is particularly beneficial for high-performance applications or those who frequently engage in aggressive driving.

3. Smoother Shifting: The lighter flywheel can result in smoother shifting, as the engine responds more quickly to the transmission input. This can lead to a more enjoyable driving experience.

4. Customization: Installing a BMW SB45a N62 flywheel is an excellent way to customize your engine, setting it apart from stock configurations and enhancing its overall performance.

1. Cost: A BMW SB45a N62 flywheel is a more expensive option compared to the stock flywheel, which can be a significant investment for some BMW owners.

2. Installation Complexity: Installing a BMW SB45a N62 flywheel requires significant mechanical expertise and specialized tools. The process involves removing the transmission, engine, and clutch system, making it a time-consuming and complex process.

3. Potential Vibration Issues: A lighter flywheel can lead to increased vibration, particularly at high RPMs. This can be mitigated with the use of a dampener, but it is an additional cost and complexity that some BMW owners may not be willing to accept.

4. Potential for Noise: A lighter flywheel can result in more engine noise, particularly during aggressive acceleration. This may not be a concern for some BMW owners, but for those seeking a quieter driving experience, it could be a drawback.

In conclusion, a BMW SB45a N62 flywheel offers several performance benefits, including enhanced acceleration, clutch durability, smoother shifting, and customization. However, it comes with some drawbacks, such as a higher cost, installation complexity, potential vibration issues, and increased engine noise.

If you are an experienced BMW mechanic or an enthusiast seeking maximum performance from your engine, the benefits of a BMW SB45a N62 flywheel may outweigh the drawbacks. However, for those who prioritize a quieter, more comfortable driving experience, the stock flywheel may be the better choice. Ultimately, the decision depends on your individual preferences and priorities.

Details:

Confirmed fitment for all N62B48 engines with a factory manual transmission. This is a 15lb single mass performance flywheel manufactured by SPEC clutch, perfect for motor sports and mates with both the stock aftermarket clutches. Reduce weight, rev hang, and shift times with a single performance part at discount price. Lightweight aluminum flywheel for BMW N62 engines.

part #: sb45a price

• $950.00

specifications flwheflepla:

• for makes: Bmw
• mpn: Sb45a
• type: Flywheel
• flywheel type: Rimmed
• material: Aluminum
• universal fitment: Yes
• vintage part: No
• transmission type: Manual

general flwheflepla:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates

payments flwheflepla:

• money order
• other
• wallet: Paypal
• credit card: Diners-club

seller flwheflepla:

• # reviews: 46
• rating: 100.0%
• city: Shingle Springs, California

offer flwheflepla:

• quantity: 2
• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: December 6, 2025

shipping flwheflepla:

• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• transit: 5-11 Days
• cost: $0.00
• carrier: USPS

returns flwheflepla:

• policy: No Returns

Bmw SB45A Is Similar To:

• 04117fx Unbranded Racing Lightweight Clutch Flywheel Bmw (51.1% similar) Flywheel 25 lbs little weathered its been sitting for 2 years in my garage...(October 12th, 2018)
• 050 06008 056 Wd Express Luk Clutch Flywheel Fits Bmw 884109003045 (32% similar) Luke clutch flywheel fits bmw 525I 325I,325IS Ed express price is for 1 - adjust qty as needed...(September 27th, 2018)
• 050 06054 056 Wd Express Luk Clutch Flywheel Fits Bmw 884109880189 (32% similar) Luke clutch flywheel fits bmw 335I 135I Ed express price is for 1 - adjust qty as needed. Be extra careful that you are purchasing the right item so will not have any fitment issues...(May 21st, 2018)
• 054 06019 066 Wd Express Clutch Flywheel Supplier Fits Bmw (32.6% similar) You won't be disappointed. Our team of certified car quest counter pros are Best in the biz. 9i convertible 2-DOOR, 0i sport utility 4-DOOR, base convertible 2-DOOR, coupe hatchback sedan wagon lightweight m roadster 2-DOOR...(May 9th, 2018)
• 054 06020 001 Wd Express Clutch Flywheel Fits Bmw (38.6% similar) So forget the rest and try Best. You won't be disappointed. Our team of certified car quest counter pros are Best in the biz. This part fits vehicles made in the following years 2003 , 2004 , 2005 , 2006...(April 19th, 2018)
• 11 22 7 805 885 Bmw Automatic Flex Plate Flywheel Bolts (33.7% similar) Bmw E30 automatic transmission flex plate bolt set in good shape as pictured from a 1989 325I. These are a little over 1 inch in length and may fit manual transmission flywheels. Clean with some parts wash and add thread locker to prevent oil leaks...(August 30th, 2018)
• 11.22-1435235 Bmw Range Rover Flywheel Fly Wheel Engine Oem (34.4% similar) Amazing flywheel fast shipping M62TU bmw E38...(April 11th, 2018)
• 11221271463 Bmw S38b35 Flywheel Pn (47.1% similar) This listing is for a single-mass flywheel with the moronic I'm told that this flywheel will work on any early moronic M30 or S38. The donor car was a north American-spec m5 with S38B35 catalyzed motor, originally fitted get rag rector pin bmw pn i'll also toss in 8 crank bolts 6 clutch fasteners, ...(March 1st, 2017)
• 11221271465 11 22 1 271 465 Bmw Genuine Coupe Sedan Flywheel Oem (30% similar) 30 day warranty on all parts. It could use a resurface but otherwise ready. Comes with the spacer as well. For sale is a manual transmission flywheel from 1983 E23 bmw 733I...(December 3rd, 2018)
• 11221284675 Bmw Flywheel Flexplate For Auto Trans (28.9% similar) Still not sure this part will fit your car. Fitment information provided is us spec vehicles only. Please reverse the side indicated. Fitment FAQ: which side does this part fit. Left driver side, right passenger reference to is for hand drive cars, so RD vehicles UK japan Australia, etc. The month ...(February 14th, 2019)
• 11221312519 Genuine European Bmw Evolution Light Weight Flywheel (49% similar) This reduction in weight allows your engine to rev fast improve gear changes and acceleration. Please with any questions regarding product availability. The us spec m3 flywheel weighs pounds while this weights in at 12. If you would like to request a quote have this product shipped outside of the ...(December 29th, 2018)