Seller notes

OEM upgraded 300V replacement mosfets/transistors for BMW N54 MSD80 DME. Please note, these will NOT work on MSD81s..only MSD80 Please note, these are NOT from China. These are 100% authentic, directly from the manufacturer. If you have a bad mosfet, just replace all 6. Lifetime warranty directly through us. We can also replace them for you for only $125 total including return shipping. If you are having other DME issues, let us know what problems you are having, we will try to assist you....

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