Front and Rear ABS Wheel Speed Sensor Set – 4 Pieces (Part numbers: 34526752683 x 2, 34526752682 x 1, 34526752681 x 1) Ensure precise wheel speed detection and dependable braking performance with this complete ABS sensor set, engineered to fit BMW E46, Z4, 318i, 320i, 323i, 325CI, 325I, 330CI, and 330I models produced from 2001 to 2006. Key Features and Benefits: Complete Set for Full Replacement: Includes 4 sensors covering both front and rear positions for left and right sides, tailored for accurate fitment without modification. Direct OEM Replacement: Designed to match original specifications in size, connector type, and mounting points, enabling straightforward installation with no coding required. Precision Performance: Maintains accurate wheel speed signal transmission, ensuring ABS function, traction control stability, and balanced brake force distribution. Durable Construction: Made from grade plastic with sturdy internal circuitry to resist temperature changes, moisture, and vibration, delivering long service life. Advanced Electromagnetic Design: Uses an advanced pickup mechanism to detect wheel rotation speed in real time for consistent ABS system data flow. Compatibility: Fits BMW E46, Z4, 318i, 320i, 323i, 325CI, 325I, 330CI, and 330I from model years 2001–2006. Matches factory part numbers: 34526752683 (front), 34526752682 (rear left), and 34526752681 (rear right). Use Scenarios: 1. Restoring full braking safety after ABS warning light activation caused by faulty or worn wheel speed sensors. 2. Preventing uneven brake application and improving stability during emergency stops or slippery road conditions. 3. Supporting accurate traction control function when driving in wet, icy, or offroad environments. Product Specifications: Quantity: 4 sensors (2 front, 2 rear) Material: grade durable plastic housing with protected internal circuitry Fitment: Specific to listed BMW models; direct bolton design Function: Monitors wheel rotation speed and transmits data to the ABS control module This set offers reliable compatibility, easy installation, and longlasting performance to maintain the safety and responsiveness of your vehicle's braking system.