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Your cart is empty. x Upgraded FUEL INJECTOR mosfet transistors to replace your old, prone to failure transistors in your MSD80 N54.
These will fix the problem! Even if you're tuned, These upgraded mosfets won't fail.
YOU MUST REPLACE ALL 6.
Denver freelance, LLC
August 5, 2025
Blew my Mosfets ON BANK 1 from a bad Coil pack, and these did EXACTLY as they were advertised. Back on the road! Thanks Boost Monkey, LOVED THE STICKER AS WELL!!
Roberto Arango
July 12, 2025
Top of the line
Hash
June 15, 2025
Whilst driving my e92 335i heard a loud bang followed by really really bad misfiring. Pulled codes and came back to be 30AB misfires multiple along bank 1. Had a friend solder these in for me and car is now running on all 6 cylinders
Devon Bingaman
June 11, 2025
Great upgrade over the cheap factory ones. Work well with the tune on the car
Alex Petersen
May 23, 2025
I actually didn’t order their mosfets I ordered their DME repair service directly from their website and felt I needed to leave them a review because they did a great job and the process was very fast and I’ve had no issues at all with the DME since I got it back. The only reason I’m not giving 5 stars is because the instructions were not very clear where I needed to mail my dme to and it was difficult to contact someone within the company but other than that this is definitely the way to go send it to experts and get the job done right and you won’t need to worry!
chase
March 21, 2025
Had the code for 4/5/6 injector dme internal error. pulled the ecu and tested them then ordered these and put them in. 400°C to remove the old ones don’t go hotter. but after you get them in let the ecu cool down. also don’t forget soldering paste. fixed the issue overall and car seems to run a little healthier maybe placebo.
Cristian Figueroa
February 13, 2025
No more misfire on 1 bank , changed all of them out was super easy.
Adam Jones
February 3, 2025
It was some work but fixed the issues after putting a mhd stage 2+ and blowing the mosfits returned back to stock will let you know in future what they will handle
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