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The BMW Range
5 Series
E60, E61
Radiator shutter i.e. active aerodynamics
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<blockquote data-quote="moots" data-source="post: 722435" data-attributes="member: 219"><p>wah....electrically controlled shutters......this is news....so I went down to look...he he he....</p><p></p><p>closed position</p><p><a href="http://s962.photobucket.com/user/moots11/media/e60/20141014_230019_zpsh3owqtul.jpg.html" target="_blank"><img src="http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230019_zpsh3owqtul.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>pushed open</p><p><a href="http://s962.photobucket.com/user/moots11/media/e60/20141014_230013_zps7b3ifcrb.jpg.html" target="_blank"><img src="http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230013_zps7b3ifcrb.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>So maybe mine is broken as i can push them open without any resistance.And I really can't figure the purpose of this set up as ram air can easily flow from the bottom:</p><p></p><p><a href="http://s962.photobucket.com/user/moots11/media/e60/20141014_230224_zpsxux4grma.jpg.html" target="_blank"><img src="http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230224_zpsxux4grma.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>So I googled and this is what I found :</p><p></p><p>Clavurion wrote:</p><p>Radiator shutter</p><p></p><p><span style="color: rgb(51,51,51)">The radiator shutter seals off the engine compartment from the outside and directs the cooling air under the engine.</span></p><p></p><p><span style="color: rgb(51,51,51)">When the vehicle is driven, the closed radiator shutter reduces the warm-up phase of the engine. In higher road speed ranges, this improves the CW value of the vehicle. This saves fuel and thus has an advantageous effect on the emissions. Furthermore, the faster heating of the coolant means that the full heat output of the vehicle can be called up earlier.</span></p><p></p><p>Components</p><p></p><p><span style="color: rgb(51,51,51)">*Radiator shutter</span></p><p><span style="color: rgb(51,51,51)">*Solenoid switch</span></p><p></p><p>Function</p><p></p><p><span style="color: rgb(51,51,51)">With the ignition off or in the event of a break in the activation cable, the radiator shutter is not locked. After engine start-up, the engine control unit switches the solenoid switch to earth and thus closes prevents the radiator shutter from opening.</span></p><p></p><p><span style="color: rgb(51,51,51)">When one or more of the following conditions exist when the vehicle is being driven, the magnetic lock for the radiator shutter is deactivated.</span></p><p></p><p><span style="color: rgb(51,51,51)">*Coolant temperature > 90°C</span></p><p><span style="color: rgb(51,51,51)">*Gearbox fluid temperature > 110°C</span></p><p><span style="color: rgb(51,51,51)">*Engine oil temperature > 130°C</span></p><p><span style="color: rgb(51,51,51)">*Power to map thermostat > 90% (only DME)</span></p><p><span style="color: rgb(51,51,51)">*Electric fan active</span></p><p></p><p>Fault code memory entries</p><p></p><p><span style="color: rgb(51,51,51)">If there is an electrical fault in the assembly, the radiator blind lock is deactivated.</span></p><p></p><p><span style="color: rgb(51,51,51)">The radiator shutter lock is also deactivated if a defect is detected at the coolant-temperature sensor or electric fan.</span></p><p></p><p>There are also some writeup that says the shutters are engaged when the engine is started and is regulated with varying engine temps and that the shutters cannot be pushed open when the engine is started.Well....I'll confirm this in the morning.</p><p></p><p>Sheesh....what an overkill and serious un needed gadgetery when there is already a big gaping hole underneath the kidney grill for cooling....</p><p></p><p>Well maybe IT IS for more efficient aerodynamics...what do I know.....</p></blockquote><p></p>
[QUOTE="moots, post: 722435, member: 219"] wah....electrically controlled shutters......this is news....so I went down to look...he he he.... closed position [URL=http://s962.photobucket.com/user/moots11/media/e60/20141014_230019_zpsh3owqtul.jpg.html][IMG]http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230019_zpsh3owqtul.jpg[/IMG][/URL] pushed open [URL=http://s962.photobucket.com/user/moots11/media/e60/20141014_230013_zps7b3ifcrb.jpg.html][IMG]http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230013_zps7b3ifcrb.jpg[/IMG][/URL] So maybe mine is broken as i can push them open without any resistance.And I really can't figure the purpose of this set up as ram air can easily flow from the bottom: [URL=http://s962.photobucket.com/user/moots11/media/e60/20141014_230224_zpsxux4grma.jpg.html][IMG]http://i962.photobucket.com/albums/ae104/moots11/e60/20141014_230224_zpsxux4grma.jpg[/IMG][/URL] So I googled and this is what I found : Clavurion wrote: Radiator shutter [COLOR=rgb(51,51,51)]The radiator shutter seals off the engine compartment from the outside and directs the cooling air under the engine.[/COLOR] [COLOR=rgb(51,51,51)]When the vehicle is driven, the closed radiator shutter reduces the warm-up phase of the engine. In higher road speed ranges, this improves the CW value of the vehicle. This saves fuel and thus has an advantageous effect on the emissions. Furthermore, the faster heating of the coolant means that the full heat output of the vehicle can be called up earlier.[/COLOR] Components [COLOR=rgb(51,51,51)]*Radiator shutter[/COLOR] [COLOR=rgb(51,51,51)]*Solenoid switch[/COLOR] Function [COLOR=rgb(51,51,51)]With the ignition off or in the event of a break in the activation cable, the radiator shutter is not locked. After engine start-up, the engine control unit switches the solenoid switch to earth and thus closes prevents the radiator shutter from opening.[/COLOR] [COLOR=rgb(51,51,51)]When one or more of the following conditions exist when the vehicle is being driven, the magnetic lock for the radiator shutter is deactivated.[/COLOR] [COLOR=rgb(51,51,51)]*Coolant temperature > 90°C[/COLOR] [COLOR=rgb(51,51,51)]*Gearbox fluid temperature > 110°C[/COLOR] [COLOR=rgb(51,51,51)]*Engine oil temperature > 130°C[/COLOR] [COLOR=rgb(51,51,51)]*Power to map thermostat > 90% (only DME)[/COLOR] [COLOR=rgb(51,51,51)]*Electric fan active[/COLOR] Fault code memory entries [COLOR=rgb(51,51,51)]If there is an electrical fault in the assembly, the radiator blind lock is deactivated.[/COLOR] [COLOR=rgb(51,51,51)]The radiator shutter lock is also deactivated if a defect is detected at the coolant-temperature sensor or electric fan.[/COLOR] There are also some writeup that says the shutters are engaged when the engine is started and is regulated with varying engine temps and that the shutters cannot be pushed open when the engine is started.Well....I'll confirm this in the morning. Sheesh....what an overkill and serious un needed gadgetery when there is already a big gaping hole underneath the kidney grill for cooling.... Well maybe IT IS for more efficient aerodynamics...what do I know..... [/QUOTE]
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E60, E61
Radiator shutter i.e. active aerodynamics
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