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Description
Flywheel - MINI Cooper N18 / JCW / R55 / R56 / R57 / R58 / R59 / R60 / R61For N18 engine only Cooper JCW 3 2013 and up. For manual transmissions MINI Part Number: 21207636253 The SACHS planetary dual mass flywheel incorporates the planetary gear and the torsional damper into the flywheel. For this purpose, the flywheel is divided into a primary and a secondary mass, hence the name planetary dual mass flywheel. Rattle and booming noise are now a thing of the past. SACHS planetary DMF: The advantages for the driver Fuel
For N18 engine only Cooper JCW 3/2013 and up.
For manual transmissions
MINI Part Number: 21207636253
The SACHS planetary dual mass flywheel incorporates the planetary gear and the torsional damper into the flywheel.
For this purpose, the flywheel is divided into a primary and a secondary mass, hence the name planetary dual mass flywheel. Rattle and booming noise are now a thing of the past.
SACHS planetary DMF: The advantages for the driver
- Fuel consumption is reduced, since idle speed is lowered and from idle speed the car can be driven at full throttle.
- High level of acoustic refinement, due to the suppression of annoying rattling and body boom.
- Good refinement even during load reversals, thanks to vibration damping. Jolts are eliminated.
- Improved operating comfort because fewer gear shifts are required. No unpleasant booming noise that would force the driver to make gear shifts too early.
- Improved gear shift, since lower mass moment of inertia of the clutch disc without torsional damper results in reduced shifting effort.
Features and Benefits:
- Excellent vibrations damping quality through all engine-speed.
- Effortless engine start, short start and stop behavior.
- Good tuning capability thanks to springs in series and spring sets with various stiffness ratings, guided by plastic sliding blocks and spring caps, which keeps the springs from going solid.
- Planet gears increase the dynamic mass moment of inertia.
- Grease-filled for long service life.
- Combination of three mechanisms with damping effect:
- friction (friction bearings, centrifugal force)
- vibration damping proportional to speed
- inertia of planetary gear
- no special friction device needed
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 3
Good as a task chair, but terrible for long-term sitting
I have revised and updated this review after two years after getting a replacement chair, downgrading it from 5 stars to 3 stars.
I have owned an office chair from Staples for two years. It was a $200 office mesh chair. It seemed pretty comfortable when sitting in it at the store. Unfortunately, it turned out to be uncomfortable for long sitting duration, I seemed to end up slouching often because it wasn't very supportive. The seat depth was probably longer than optimal for my legs. The mesh seating was not supportive. With these issues, I thought a task chair would be more useful.
But I didn't want to spend so much money on a chair again, so here comes Amazon to the rescue. This chair allows me to sit comfortably with a reasonable seat depth, so I'm now able to sit with proper posture. The foam base initially felt better than the mesh base. This all led to a 5 star rating. After a year and a half, however, it has come to my realization that the foam seating is terribly inadequate for long periods of sitting. Maybe after a year the foam was worn out to the point that it was no longer supportive. After long periods of sitting, I could feel the wood support base. I tried a seat cushion to no avail.
In the end, I got rid of this chair and purchase a chair from one of the high-end office ergonomic chair manufacturers. It cost 10x more than the Amazon chair, but it's night and day with regards to being comfortable. It is worth the cost to protect my back.
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Reviewed in the United States on August 21, 2019
★★★★★ 5
Very nice office chair
Color: Black
This is a very nice chair at a great price. The cushion and mesh back are really comfortable. It has great height adjustment and range. Assembly was easy. Exactly what I was looking for to use in my home office.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Love the design, comfort and ease
Color: Grey, Color: Grey
Assembly was a breeze with the Amazon Basics Ergonomic Executive Office Desk Chair. The instructions were clear and easy to follow, and I had the chair put together quickly without any hassle. This simple setup made the whole experience even more satisfying from the start.
In terms of comfort, the chair truly delivers. It provides excellent lumbar support, I assume it will make long hours at my desk much more enjoyable. The adjustable height feature lets me customize my seating position, and the flip-up armrests allow me to slide the chair neatly under my desk without worrying about damage.
Overall, I couldn’t be happier with my purchase. The chair looks stunning in my office and perfectly complements the decor. It combines style, comfort, and practicality at a fantastic value, and I highly recommend it to anyone looking to upgrade their office chair. I love you so much that I ordered another one for my husband’s desk.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Very comfortable
Color: Grey
I’m not sure if I am just transitioning from a very uncomfortable office chair, but this one is extremely comfortable. Very good dynamic lumbar support that reminds you that it’s there. Only cons would be a low back (I am 6’5”) but I’m not laying my head back anyways. Also the seat length is a touch short for me but standard size really. Great bang for buck with an open box deal. Easy to assemble. TBD on durability.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
BUY this chair!!!!!
Color: Cream
After using this chair for about a month, I can confidently say that it's one of the most comfortable office chairs I've sat in for an extended period of time. Being in school and studying 8+ hours a day at my desk would normally make my back hurt in any other chair. Fortunately, after using this chair all day I have very very minimal back pain, if any at all (definitely due to previous injuries). The cushion on the back of the chair is extremely supportive and comfortable over all. Cannot say enough good things about this chair!!!! Definitely worth the price and easy to put together.
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Reviewed in the United States on May 31, 2026