08-15-2021, 07:13 AM | #23 |
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What has your experience been with RC regarding performance? Trying to figure out what to get for my new X5m. Any issues with TCU (not communicating with true load valves on ECU) shifting under load?
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08-15-2021, 01:46 PM | #24 | |
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Drives: 2019 BMW M760li
Join Date: Oct 2012
Location: MA
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I find adding some octane boost or 100 octane does make a difference on the higher maps 6/7. I also have a 200 cell primary cat and secondary delete. I've seen 3.0s 0-60 (1 ft rollout) and mid 9s 60-130mph so it's definitely an improvement over stock. |
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10-17-2021, 05:09 AM | #25 | |||
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Drives: 2021 F95 X5M
Join Date: Oct 2020
Location: ft Lauderdale fl
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I have had my 21 x5m in for service many times All I do is unplug the box put the stopper in and nothing has been detected Prior I had an Rs7 with JB4 and the same thing Never detected anything
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Chris D.
FT Lauderdale FL 2021 F95 X5M |
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10-17-2021, 12:54 PM | #26 |
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Racechip site shows an increase of 59HP/88TQ on a 523HP factory rated M50i. If true these are strong gains for a simple "piggy back" approximate and relatively conservative 3 pound boost increase. An 88 lb torque bump is significant and would be realized each time the gas pedal is pushed to any degree on top of the well over 200 ft lb advantage the M50i has over the 40i.
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