Is the 2020 BMW X1 Three-Cylinder Engine Prone to Severe Vibration?

[VioletFitz]

2020 BMW X1 three-cylinder engine vibrates severely. BMW X1 Three-Cylinder Engine Technology: BMW's three-cylinder engine technology is quite average, especially in controlling vibration and noise issues, where it has consistently underperformed compared to the General Motors group. Many owners of three-cylinder X1 models report that the engine produces significant noise and vibration during cold starts, which are more noticeable than those of typical four-cylinder engines. These issues improve somewhat after the engine warms up. Additionally, this three-cylinder engine generates considerable noise when operating at high RPMs. Three-Cylinder Engine Performance: The power output of BMW's three-cylinder engine is relatively weak. This 1.5T engine can only produce 140 horsepower and 220 Nm of torque. While many compact family cars are equipped with 1.5T engines, the X1's heavier curb weight, combined with this 1.5T engine being less powerful than comparable 1.5T models, results in significantly weaker acceleration capabilities at high speeds compared to the 2.0T models.

[FaithLynn]

The B38 three-cylinder engine in the 2020 BMW X1 does have inherent vibration issues. With one less cylinder than a four-cylinder engine, the piston movement is unbalanced. Even though BMW added balance shafts and optimized engine mounts, you can still feel slight steering wheel tremors during start-up or at traffic lights. Especially when the AC compressor kicks in, the entire dashboard vibrates, and you can even see drinks shaking in cups placed on the passenger seat. The first two years with a new car are tolerable, but as rubber components age, idle vibrations become more noticeable. Some owners have improved the situation by adding sound insulation in the engine bay, but the fundamental solution is regular replacement of engine mounts. It's recommended to pay special attention to low-speed crawling conditions during test drives.

[DeJack]

I drove my friend's X1 with the three-cylinder engine, and there are indeed some pain points for city commuting. The vibration from the engine compartment during cold starts is particularly noticeable—you can even feel it through the steering wheel. It's quite stable on the highway, but the main issues occur at low speeds: the stop-start system during traffic jams is the most uncomfortable, making the seat feel like a phone on vibrate mode. A mechanic friend mentioned that the engine mounts in this generation aren't the best, and it's advisable to check the damping blocks after two years of use. If you often drive your kids around, you might want to consider the possibility of them being jolted awake in the back seat. On the plus side, the fuel efficiency is impressive—a full tank can get you around 650 kilometers.

[VonEmmanuel]

Whether a three-cylinder engine shakes or not largely depends on the usage scenario. BMW's 1.5T feels acceptable when started in the showroom, but its flaws become apparent during prolonged idling with the AC on. During maintenance at the dealership, technicians mentioned that older cars with over 70,000 kilometers need special attention: aging ignition coils can exacerbate the shaking, and spark plugs are recommended to be replaced every 20,000 kilometers. Some car owners have reported significant improvement after installing reinforced engine mounts, but this is only a temporary fix. Compared to the same-year Mercedes-Benz GLA with its four-cylinder engine, which can keep a coin standing on the center console at a red light, BMW's three-cylinder engine indeed falls short.

[LaDante]

German cars always seem a bit incompatible when it comes to three-cylinder engines. That B38 engine does have decent low-end torque, delivering peak torque at just 1600 rpm, but its physical limitations can't be completely avoided. My colleague's X1, after three years of driving, exhibits high-frequency vibrations in the rearview mirror when braking at a red light in D gear. I checked the technical manual—the engine mounting system uses hydraulic bushings, which can leak and fail over time. Some tuning shops mitigate the shaking by reprogramming the ECU to raise the idle speed to 850 rpm. Honestly, the Cadillac XT4's four-cylinder engine at the same price point is much smoother. BMW's current three-cylinder engines are more of a compromise for emission regulations.

[VonTeagan]

As an experienced driver who has tested 10 three-cylinder cars, the vibration control of the 2020 X1 is average. It's acceptable when new, but as rubber components age, cabin vibrations become noticeable after three years. The most obvious occurs when shifting to R gear during reverse parking - the whole vehicle shudders momentarily. German technical forums indicate its crankshaft counterweight design isn't as precise as Toyota's three-cylinder engines. Northern owners should particularly note: during cold starts at -15°C, dashboard plastic components produce audible rattling. Used car dealers specifically listen to engine sounds during appraisal - this three-cylinder unit's condition after ten years poses potential reliability concerns.