M8 AND 8 SERIES
❯ Custom tuning
| 04-17-2024, 10:22 AM | #1 |
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Custom tuning
Hello,
I have a bmw 840i Gran coupe and I wanted to do a custom tuning on it, although I did not change the turbo, only downpipe and chargepipe and flashed mhd stage2 on it. Is there a need of custom stage? Will it improve anything or not? Also who can offer someone who does a good custom tuning, where should I contact for the best custom? |
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