Themain issue with the mechatronics of the DSG gearbox (in particular the 7 speed gearbox) was that they initially used synthetic oil. In warm climates like India & part of China there were a lot of issues with the 7 speed DSG. After changing to mineral oil these issues have been sorted out. Go for the 1.8 TSi, you will not regret.
Tradedfor a 2020 white 2.0TDI DSG 4Motion Rline Tech. 2018 Tiguan Mk2 2.0 TSI DSG SEL deep black pearl, Slash cut exhaust tips, chrome Mirror covers, front wing embellishes, Stainless tail gate trim. 2010 Black 2.0 TDI DSG, 4Motion, Match P/X'd2010 Black EOS SE 140 TDI DSG Member of the OFC I had problems about a year
The6 and 7 speed wet clutch gearboxes are more reliable, stronger and smoother to change gear. They require an oil change every 40k Miles (80k for the newest DQ381 gearbox). Do get it serviced as
The7 speed dry clutch is more economical I believe which is used in some Octavia's and the Yeti 1.2tsi. Indeed the wet clutch 6 speed is the oldest DSG and is rated to 350Nm torque. The dry clutch 7 speed is limited to around 250Nm so is only found on small diesels and the lower torque petrols.
ThisDSG 7 control unit is a very common failure for vehicles built between 2003 – 2016 fitted with the DQ200 Direct Shift Gearbox (DSG). The most common reported symptom is a complete loss of drive due to not being
beforefinding out that after Service Campaign '34H5' on DQ200 DSG's 2013-2015 because of pressure issues, a software update and now TPI's that again have a Software Update and changed Clutch Plates, if your car needs this.
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7 speed dsg gearbox problems 2018