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Adding our Tune Pedal P13702 (Picture required), on your petrol 523i 177 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.
Everything is working fine.
TOP SERVICE
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.
When I ordered, there was no stock for the particular car I owned. I waited one week for the stock but had to write in to check what was the status. However, I must say the response was good.
I would like to see an improvement in shipping because it got delayed twice
You should send a tracking number. I ordered as express and it took 10 days to arrive and i couldnt track it.
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