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Dimple Neodymium Magnetic Drain Plugs, Video, Best Choice For BMW and MINI

May 11, 2018

REMOVE HARMFUL WEAR PARTICLES FROM ENGINES, TRANSMISSIONS AND DIFFERENTIALS

 

Here at BAVauto, we’ve been using and recommending the Dimple Super Magnetic Drain Plugs since our first evaluation and testing of them.  As implied in the video, above, these are the highest quality and strongest magnetic drain plugs that we have ever used or tested.

Dimple Super Magnetic Drain Plugs  are manufactured from either billet “Nickle Fusion” steel or modified original BMW or MINI drain plugs (depending on application), and use the strongest rare-earth neodymium (say, nee-oh-dim-ee-am) magnets.  While some original BMW and MINI applications use magnetic drain plugs (such as; some transmissions and differentials), the  neodymium magnets used in the Dimple plugs are far stronger than the magnets used in original BMW or MINI magnetic drain plugs (if the particular application has an original magnetic plug).  Additionally, the neodymium magnets are unaffected by the operating temperatures in automotive engines (up th 300 deg. F), transmissions and differentials.  Normal drain plug magnets weaken substantially as they become hot (over 175 deg F).

So What?

With all of the above points in mind, you may say, “so what?”  Well, as an engine or gearbox assembly operates, it creates wear.  Wear is the “scrubbing off” of fine metallic particles.  Even when using the highest quality synthetic lubricants, such as Liqui-Moly or Red Line, there will still be wear within the assembly.  Once these wear particles have been generated, we do not want them circulating through the system (via the flow of the lubricating fluid), as this would create additional wear.  This is why we have oil filters on our engines and automatic transmissions (note that most manual transmissions, differentials and transfer cases do not have filters).

OK, so why do we need a magnetic drain plug, if we have a filter?

Much of the metallic wear particles are small enough to pass through the filter media (if a filter is even used).  The magnetic drain plug will trap and hold these wear particles until the next fluid change.  When the magnetic drain plug is removed, the wear particles are cleaned from the magnet and forever removed from the engine or gearbox.  The magnetic plug is reinstalled and the cycle starts over again.  The higher magnetic strength of the neodymium magnets in the Dimple Super Magnetic Drain Plugs will pull the metallic wear particles through the lubricating fluid from a greater distance (the particles do not have to pass as close to the magnet) and hold them with a greater tenacity.

Dimple engine oil drain plug – 2007 MINI Cooper

 


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