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BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY
BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY
BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY
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BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY

Marsoni M251S
Sale price$199.99
Pay 4 payments of $50.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLYThis is just the software necessary to upgrade you injectors and turbo using the Black Forest Industries MK3 1. 8T Kit. This software is specific to our kit and custom developed by C2 Motorsports.
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Your BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY orders ship within 1-2 business days.

Delivery Options:

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

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You'll receive a tracking link by email once your BFI MK3 1.8T Swap Software (Stage 2 - K04/FT21) UPGRADE ONLY 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
4.0 ★★★★★
Based on 1740 reviews
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Product Reviews
V
Verified Purchase
Valkyrie Rider
New York, US
★★★★★ 5
Good quality connectors
Size: 6 Pairs
Good quality connectors, holds wire well and stays in place. I’ll buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
G
Verified Purchase
GrooV67
Waukegan, US
★★★★★ 4
Worked fine for me
Size: 10 Pairs
I saw some reviews that mention difficulty in threading or fitting. They are tight, but they work fine. I had no issues installing the speaker wire and no issues with the set/crimping screws. I even had one fall out when I loosened it too much and, though it was challenging without my glasses, I did get it to thread back in with no problems. I have purchased other BluRigger products, like HDMI cables, and they are of great quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2024
O
Verified Purchase
OCIE STEWART
Houston, US
★★★★★ 5
They look great and work great!
Size: 12 Pairs
Great contact screws with bare wires and solid inserting with the banana clips! Would buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
K
Verified Purchase
Kyle Sons
Lake Worth, US
★★★★★ 5
Easy
Size: 12 Pairs
Easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
A
Verified Purchase
Alf29
Chelsea, US
★★★★★ 3
Not sure how it works
Size: 6 Pairs
Appears to tight a space for two wires to travel through and be connected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2025

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