★★★★★ 5
Grill kit for bmw
Very easy to install snapped right in. Perfect . Would highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2019
Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSIStage 3 ECU TCU Performance Software for the C8 RS6 and RS7 equipped with the 4. 0TFSI EA825 (DJPB) engine and TheTurboEngineers 1020 Hybrid Turbochargers. With testing and validations completed, power outputs are increased by up to +336HP +236LB FT with Unitronic Stage 3 (93octane 98ron) Performance Software for a maximum of 936HP 830LB FT when combined with Unitronic's Stage 3 AL952 TCU Performance Software for seamless operation. These software
Quick Dispatch:
Your Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI 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 Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI 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]
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4.8 ★★★★★
Based on 253 reviews
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Product Reviews
★★★★★ 1
Buy OEM
Finish is fine but sizing is wrong and these don't fit tight but rattle. About 3/4" movement in all ways, which will lead to scratched paint.
If you've got a beater, these are fine but for my clean M3, I'll buy OEM from FCP or Turner.
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Reviewed in the United States on June 15, 2024
★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
★★★★★ 5
Fits like factory
Fits as should. No issues installing
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Fit well
All good
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Reviewed in the United States on January 20, 2026
