SKU: 37742169211

M-Engineering calibration suite ECU tune for McLaren 4.0L M840T

Sale price$2317.02 Regular price$2574.47
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

M-Engineering calibration suite ECU tune for McLaren 4.0L M840TOur record setting calibrations for the 720s! M Engineering ECU calibrations are on the fastest 720s in the world! Our painstaking R&D and large level efforts made with the M840T engine have made tuning the SENNA a safe and enjoyable experience as well! This is our base calibration which does not include any features or the M Tuner. Please specify what octane fuel you will be using and your level of modifications when ordering. McLaren 720S

Our record setting calibrations for the 720s! M Engineering ECU calibrations are on the fastest 720s in the world! Our painstaking R&D and large level efforts made with the M840T engine have made tuning the SENNA a safe and enjoyable experience as well! This is our base calibration which does not include any features or the M-Tuner.

Please specify what octane fuel you will be using and your level of modifications when ordering.

The M-Tuner Calibration Suite for 720S, 765LT & Senna, which includes all of our custom features, can be found here.

Disclaimer: You accept responsibility and risks of any tunes and added features by M Engineering. If you are not the end user of the car, you will be solely responsible for notifying the purchaser and/or customer they also accept the responsibility and risks of these and M Engineering is not liable. M Engineering is also not liable for voided warranties due to installation of our products. 


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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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SKU: 37742169211

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4.2 ★★★★★
Based on 26 reviews
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dan mueller
Omaha, US
★★★★★ 5
Exact match for a 2018 Challenger
Exact match for 2018 Challenger. Removed the old filter located passenger side under the hood. Replaced the old with the new took literally two minutes. Now I have fresh clean and they close through my vents with no smell.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
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Zac
Phoenix, US
★★★★★ 5
Good quality
Works great! Good quality and price!
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Reviewed in the United States on November 20, 2025
A
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Alex Bernardin
Battle Creek, US
★★★★★ 5
Perfect fit
Perfect fit for my Accord
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Reviewed in the United States on February 15, 2026
P
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Paul Pagan
Charlottesville, US
★★★★★ 4
That it filters out debris in the air from going into the engine / cabin
It’s an air filter seems to be doing what it is designed for
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Reviewed in the United States on March 9, 2026
B
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Bill R.
Lake Worth, US
★★★★★ 5
Wonderful
Excellent
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Reviewed in the United States on January 15, 2026

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