Dyno Calibrated or some off the shelf "Dyno proven" map?
Your choice Is there any tuning centre in Wales with as much BMW tuning experience as us?
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Your choice Is there any tuning centre in Wales with as much BMW tuning experience as us?
Read storyExposing the truth behind, overpriced (£700), Overpromised, Non-Dyno Tested Map on a BMW M5 (E39) from a big name tuner! In our opinion the map is little more than Junk, and proves that you don’t always get what you…
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