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IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)
IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)
IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)
IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)
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IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)

Marsoni M251S
Sale price$149.50
Pay 4 payments of $37.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250)GET THE MOST FROM YOUR AUTO TRANS Get the full performance out of your 2. 5L engine tune on automatic transmissions with IE's TCU tune for all VW MK5 & MK6 2. 5L autos. Unlock the higher RPM range for Stage 1 and Stage 2 Intake Manifold Tunes and let that 5 cylinder breath. Enjoy increased power, higher RPM limit, and faster shifts with optimized and adjustable shift points. LEADING FEATURES Unlock higher RPM limits on 2. 5L automatics Higher shift
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Your IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250) orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your IE VW MK5 & MK6 2.5L Automatic Transmission Tune (AQ250) ships.

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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]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1767 reviews
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Product Reviews
C
Verified Purchase
Cody Mills
Louisville, US
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
A
Verified Purchase
albert smart
Charlottesville, US
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
M
Verified Purchase
mattw
Los Angeles, US
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2025
P
Verified Purchase
Peter Schott
Port Orchard, US
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
S
Verified Purchase
Sean R.
Los Angeles, US
★★★★★ 5
Excellent quality
Great quality kit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025

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