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The BMW Range
5 Series
E39
Fan Clutch Delete
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<blockquote data-quote="d4ngerz0ne" data-source="post: 746325" data-attributes="member: 45572"><p>My concluding entry for this thread ; though will properly add in details for people who want to pursue the electric fan mod .</p><p></p><p>I haven't installed the module (time being a thing) , so in the mean time it's running off some relays (meaning it's running all the time) . </p><p></p><p>First thing i've noticed is how much more free revving the m54 engine is now (like having its chains unshackled) , the fan clutch definitely bogs down the engine and sucks up all your low end torque. With that said, acceleration off the line is much quicker, and no longer sounds like a 747 at low RPM (when fan clutch fully engaged) </p><p></p><p>I'd imagine better fuel consumption too with the reduce parasitic draw on the engine , but given how it revvs now , probably not any time soon.</p><p></p><p>Key points : the choice of fan matters ! I barely am able to fill any additional vibration from how the fan is mounted even at full speed . Also because it's a curve blade design, it is also very quiet. I do think its also an upgrade over the stock mechanical fan as I can feel a better draw of air (by placing hand in front of the grills) at idle at a complete stop</p></blockquote><p></p>
[QUOTE="d4ngerz0ne, post: 746325, member: 45572"] My concluding entry for this thread ; though will properly add in details for people who want to pursue the electric fan mod . I haven't installed the module (time being a thing) , so in the mean time it's running off some relays (meaning it's running all the time) . First thing i've noticed is how much more free revving the m54 engine is now (like having its chains unshackled) , the fan clutch definitely bogs down the engine and sucks up all your low end torque. With that said, acceleration off the line is much quicker, and no longer sounds like a 747 at low RPM (when fan clutch fully engaged) I'd imagine better fuel consumption too with the reduce parasitic draw on the engine , but given how it revvs now , probably not any time soon. Key points : the choice of fan matters ! I barely am able to fill any additional vibration from how the fan is mounted even at full speed . Also because it's a curve blade design, it is also very quiet. I do think its also an upgrade over the stock mechanical fan as I can feel a better draw of air (by placing hand in front of the grills) at idle at a complete stop [/QUOTE]
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