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Description
STAGE 1 PERFORMANCE UPGRADE TO SUIT BMW N62B44 N62B48 4.4L 4.8L V8This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of BMW 6 series N62B44 and N62B48 V8 engines. Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re establishing throttle response and bottom end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and improve
This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of BMW 6 series N62B44 and N62B48 V8 engines.
Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re-establishing throttle response and bottom-end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and improve overall drivability.
The K&N replacement air filter is designed to boost the horsepower and acceleration while providing superior filtration. It is washable and reusable and is custom designed to fit into your existing factory air box. This filter lasts up to 80,000km before cleaning is required depending upon driving conditions. It comes with K&N million mile limited warranty and it will not void vehicle warranty.
Modes of ETC:
- Sport Mode: 9 stages of increased accelerator response suited for spirited driving.
- Economy Mode: Reduced accelerator response suited for economy driving around towns and on highways.
- Normal Mode: Factory throttle response.
ETC Features:
- OBD.II free, meaning power is sourced directly from the pedal and additional plugs are no longer required.
- Temperature ranges from -40 to 125 °C.
- Previously set stage numbers are retained thanks to Power off memory function.
- Digital signal output AD/DA up to 10 Bit, efficiently responds to the original throttle signal.
Air Filter Specifications:
- Air filter shape: Panel
- Height: 1.125 in (29 mm)
- Outside length: 12.88 in (310 mm)
- Outside width: 10.688 in (271 mm)
Contents:
- 1 X Mace ETC
- 1 X K&N Air filter
Vehicle Fitment Guide
Notes:
- Installation of the Mace ETC is quite simple and the modification is completely reversible within a couple of minutes. All kits include simple fitting and calibration instructions.
- The air filter included in this package can be purchased separately through another listing.
- The ETC included in this package can be purchased separately through another listing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1581 reviews
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Product Reviews
★★★★★ 5
Comfortable and Great Value Office Chair
This office chair exceeded my expectations for the price. The assembly was quick and easy, and the chair feels sturdy once put together. The seat cushion is comfortable for extended use, while the mesh back helps keep airflow moving throughout the day.
I also like the adjustable lumbar support and flip-up armrests, which make it easy to customize and save space when not in use. It rolls smoothly, looks professional, and provides great comfort for working from home. Overall, an excellent value and a solid choice for a home office.
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Very comfortable
Great chair, simple assembly that took ~20 minutes. Very smooth height adjustments, even has a rocking function. Very sturdy and the build quality seems good. Breathable fabric for the back and good quality leather for the seats.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great value high quality
The chair is very comfortable, even during long hours of work. The cushioning provides great support, and the ergonomic design helps maintain a good posture throughout the day. I also appreciate the adjustable features (height, armrests, and tilt), which make it easy to customize to my preference.
Overall, this is a great value for the price. If you’re looking for a reliable, comfortable office chair for daily use, I would definitely recommend this one.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Great chair with one caveat!!
I ordered this chair to replace my previous computer chair that lacked back support and was generally uncomfortable, and I am very glad I did!!
I was looking for this style of chair and was looking over a few different similar options on Amazon. I did look outside of amazon as well, but Amazon had the best prices in my opinion. I was hesitant on each selection due to either pricing or reviews that scared me away. I ended up going with this one since they were offering a deal on the red and black one - as soon as I saw that, I was sold! I believe it was a middle of the pack price for comparison.
Overall, I really like the chair, but it does come with one warning I will share below:
**DELIVERY** 10/10
I ordered this chair and though I think it did say it was PRIME eligible, it showed that the delivery as a future date that was about two weeks out. I am impatient and entitled, much like most of us Primers, haha, but due to the deal, I bit the bullet and ordered and made myself forget about it since it would be a bit. MUCH to my surprise, it showed up a few days later at my doorstep!!! I was really excited!!! A+ on this category!
**PACKAGING** 9/10
After reading some reviews that stated that the packing was rough, I'm not going to lie, I was expecting a mangled box to be at my front door. Also to my surprise, the box was perfectly fine! Maybe this was feedback that the distributor took and made the necessary changes? I don't know, but everything arrived undamaged in terms of the box. I deducted one point because one of the armrests (left side) had a "chunk" that lifted off the top a bit. To try and describe it, the armrests are like a hard foam, and best I can describe, it was as if something nicked the top flat surface of it and peeled back a small chunk, about the size of a pea. I pushed it back down and it sat. I forgot about it until writing this, and now cannot find it.
**ASSEMBLY** 8/10
Assembly took about 45 minutes to an hour or so. It could have gone faster, but the screw hole on the back rest was crooked, so when attaching the back rest to the seat with the supplied bracket, I kept having trouble and eventually had to remove the back rest completely to try and see what was going on. The screw hole was slightly tilted which was making it hard to thread. Once I saw what was going on, I was about to put the screw in with that in mind and just came in at a slight angle. Everything else was pretty straight forward!
**LOOKS** 9/10
This chair looks really cool. That said, I am in to cars and making them fast/cool, so I do have a bias. The only thing I don't care for as much are the wheels - as much as I love making cars look cool, I thought it was a little corny for computer chair wheels, lol. I don't notice it as much now that it has been assembled, though.
**FUNCTION** 10/10 with one warning
As I said, my old chair sucked, so this is in comparison with that chair. When it comes to function, this hit all the boxes for me. The material is soft and comfortable. The seat cushion is good for me, but I am 145lbs, so not sure how it would fair for a large individual. The chair is pretty wide so I think it would fit a larger person just fine, plus the arm rests can swivel and lock into three different positions - straight, pointed outwards, pointed inwards. Having them pointed outwards allows me to rest my elbows on the backs of them while gaming or working. The back support piece is SUPER helpful for me. It can be re-positioned easily and stays in place. The headrest is nice for neck support, but doesn't stay in place as well and can sag down, but not a big deal.
The warning I was talking about is actually a perk of functioning, but not for me in one instance. Yes, the chair reclines all the way back. Even better, it doesn't tip while doing it, which I thought it surely would laid all the way back. The problem for me is that I was on a work zoom meeting that didn't require the camera on, I reclined all the way back and was "listening." I woke up later :-/
Good chair, I would recommend it!
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Reviewed in the United States on August 3, 2020
★★★★★ 5
Outstanding Chair
Color: Matte-black
This is an outstanding chair.
It’s very well built and has handled up to 300 lbs. with no issues after a couple of weeks of use. The engineering is excellent, the assembly was straightforward, and everything fit together exactly as it should. No stripped bolts, no misaligned holes—something anyone who has assembled other furniture will appreciate.
Overall, it’s sturdy, well-designed, and extremely comfortable. The adjustable armrests are a standout feature and make a big difference in day-to-day use.
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Reviewed in the United States on March 21, 2026