Features: Ensure stable engine preheating with the 12217800156 control unit for E70 and E90 vehicles. This plastic unit ensures reliable function, reducing wear during cold weather conditions. Suitable for car enthusiasts in cold regions, providing quick engine preheating functionality. Perfect for vehicles requiring frequent cold start, offering efficient engine preheating. An essential solution to protect your engine during cold weather conditions. Specifications: Material: Plastic Part Number: 12217800156, 12218591724, 7800156, 8591724, 132194, GSE108 Applicable Model: for E90 E91 E92 E93 E70 E71 E72 F01 F02 F03 F04 F05 F06 F07 F08 F09 F10 335D Package Includes: 1x Glow Plug Control Module note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.