Please share the source of that review? As a 2-series owner, I have no issues and the engine is smooth and vibration free. It is also so economical in fuel consumption!Hello all, I'm Kelvin newbie here, plan to buy 2018 or 2019 register 2nd hand BMW X1 sDrive18i but review mention the 1.5-liter TwinPower Turbo three-cylinder engine got vibration and reliability issues . Any BMW X1 owner can share the experience and issue facing for this model. Thanks in advance for the valuable advice and infor.