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The BMW Range
5 Series
E34
E34 520 engine conversion
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<blockquote data-quote="E34EuroTouring" data-source="post: 76225" data-attributes="member: 1026"><p>My US version ECU on 525iA slushbox is #525 not #524. I think the #524 is the Euro version ECU. My US version rated HP is 178 hp , if I am not mistaken. </p><p></p><p>It has a cat converter. de-cat gives 183hp. (Twin straight pipe).</p><p></p><p>The Motronic V1.3 ECU adapts rather fast for this model. Just about 1 hour of aggressive driving after battery reset. gives a very responsive car....</p><p></p><p>I have heard people with 535i M30 motor takes days for adaptation to settle in. This means radical changes in the intake, cams etc.</p></blockquote><p></p>
[QUOTE="E34EuroTouring, post: 76225, member: 1026"] My US version ECU on 525iA slushbox is #525 not #524. I think the #524 is the Euro version ECU. My US version rated HP is 178 hp , if I am not mistaken. It has a cat converter. de-cat gives 183hp. (Twin straight pipe). The Motronic V1.3 ECU adapts rather fast for this model. Just about 1 hour of aggressive driving after battery reset. gives a very responsive car.... I have heard people with 535i M30 motor takes days for adaptation to settle in. This means radical changes in the intake, cams etc. [/QUOTE]
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