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The BMW Range
5 Series
E60, E61
E60 525i ecu into E60 523i
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<blockquote data-quote="wolf73" data-source="post: 432732" data-attributes="member: 20416"><p>Bros...</p><p></p><p>It has been proven that Power Box into 523 brings the maximum bhp...... rather piggy back the ECU then change the ECU board as the harnes may differ.</p><p></p><p>523 owners... put PB and the bhp is greater than 525 owners.... PB settings are tuned for 523 max out.</p></blockquote><p></p>
[QUOTE="wolf73, post: 432732, member: 20416"] Bros... It has been proven that Power Box into 523 brings the maximum bhp...... rather piggy back the ECU then change the ECU board as the harnes may differ. 523 owners... put PB and the bhp is greater than 525 owners.... PB settings are tuned for 523 max out. [/QUOTE]
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The BMW Range
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E60, E61
E60 525i ecu into E60 523i
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