The **LEGO Technic Lamborghini Sián FKP 37 (42115)** is a highly complex mechanical model. However, it is important to clarify that this set is officially a **manual model** and does not come with electronic parts (Power Functions or Powered Up components) out of the box. That being said, because of its scale and complexity, there are two primary contexts regarding "electronic parts" for this specific set: **Third-Party Lighting Kits** and **Remote Control (RC) Conversions**. --- ## 1. Third-Party Lighting Kits Most enthusiasts add electronics to the 42115 via lighting kits (e.g., LightMyBricks, BriksMax). These kits typically include: | Component | Purpose | | :--- | :--- | | **Bit Lights** | Tiny LEDs that fit inside the 1x1 round plates for headlights and taillights. | | **Expansion Boards** | Hubs that connect multiple light wires to a single power source. | | **Connecting Cables** | Thin wires designed to be hidden between the Technic beams and panels. | | **Power Source** | Usually a USB cable or a small AA/AAA battery pack hidden in the trunk. | --- ## 2. Remote Control (RC) Conversion Parts Many builders use "MOC" (My Own Creation) instructions to motorize the 42115. To do this, you would typically need the following **LEGO Powered Up** or **Control+** parts: ### Required Electronic Components * **Technic Hub (88012):** The brain of the car that connects to a smartphone via Bluetooth. * **Large (L) Motors:** Usually used for the 8-speed sequential gearbox or steering. * **Extra Large (XL) Motors:** Typically used for the drive wheels to handle the weight of the car. * **Servo Motor:** Used for precise steering control. --- ## 3. Comparison: Manual vs. Electronic Potential | Feature | Original 42115 (Manual) | Motorized/Electronic Version | | :--- | :--- | :--- | | **Power Source** | Human hands | Battery Box / Li-Po Pack | | **Engine** | V12 pistons move when pushed | V12 pistons move via motor | | **Gearbox** | Manual paddle shifters | Remote-controlled shifting | | **Lights** | Plastic transparent bricks | Functional LED headlights/interior | --- ### Technical Note on Installation If you are installing electronics in the 42115, the most difficult part is the **Sequential Gearbox**. Because the 42115 has a very tight internal structure, adding motors usually requires a partial teardown of the chassis. Most users prefer adding a **Light Kit**, as it does not require changing the mechanical "DNA" of the build. ---