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If you can't get a new original one..don't put in a cheap parallel...try to find an original one used in some junkyard that isn't cracked and that works well..so you'll guarantee that your module won't have a problem. And also that your car doesn't let you down..... Remember that the original VW AG brand coil comes with regulator problems. ... You can't even count the parallels....try using a Bosch... At least in cars that use the 9gv control unit.or 17.5.20 or 25 as these modules are super sensitive...if you have to use parallel coils use in older vehicles... A Bosch model in the 350 range was recently launched on the market... it appears to be very resistant. It came with a more compact model. But I'm still testing it.