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Adding our Tune Pedal P13702, on your petrol 523i 190 hp will make your engine responds more spontaneously and more directly. This throttle tuning system optimizes the response time of your engine by eliminating the latency . The result is that the power of your engine is released faster. This way your acceleration is much more direct. This pedal box is ideal to pass vehicles easily.
GOOD
Good communication and double check regarding the motor type of my BMW by TuningBox. Fast delivery of the box. Everything is working fine without any warninglight. Power increase is very noticeable.
Fast delivery, had an initial issue with one of the connections, but 1 phone call and a technical email later all resolved., I have tried racechip previously but I am more impressed with this company.
You should send a tracking number. I ordered as express and it took 10 days to arrive and i couldnt track it.
I would recomend to have whats app, sometimes I need to talk online and its easir than emails
No problem
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