Do not buy shitty eBay “performance” coils for a 1.4 touran. Just go to a motor factors and buy a reputable brand like Bosch.
I had this exact issue and just fixed it with a new ignition coil. I bought a bosch replacement and I haven\u2019t had the issue since.
Make sure when you replace these you use too quality plugs from a reliable parts store, too many stories of bad fakes or lower quality products from online sources. Coils are also likely a good idea at this point, again go with Bosch, again from a reliable source.
As per ignition coils, the only ones you should buy for N43/53 engines are Bosch. All the others (Delphi, Febi, HP etc.) are the same Chinese coil sold under different names, same issues as the counterfeit parts.
I'm running Bosch and have been for 45k miles with no issues, even tuned running extra boost which demands more of the ignition coils.
I have Bosch in my 2015 currently with no issues for 30k miles so far
I’ve ran Bosche in all my M3’s with great success.
Probably the coils. The Bosch coils I’ve used in the past on my 330Ci (same coils) lasted maybe 20K. Delphi are much better.
Bosch WERE awful when first introduced, but lifted their game.
I chose the cheaper Bosch ignition coil. When I got home, I realized the spring inside was significantly shorter than my old coil's spring. I made no risk of putting this in and brought it back. I learned that Bosch parts used to be made only in Germany and were excellent, but now many are made in the US or China and are poor quality. The one I got was definitely not the German quality.
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