Standard Ignition KS334 Ignition Knock (Detonation) Sensor

Overview of Standard Ignition KS334 Knock Sensor

The Standard Ignition KS334 Ignition Knock (Detonation) Sensor is designed to detect engine knocking and ensure optimal combustion in select BMW models. This sensor features a bolt-on attachment method and a durable plastic and metal construction for reliable performance.

• Compatible with BMW 120i, 125i, 320i, 323Ci, 323i, 323ti, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 528i, 530i, X3, X5, Z3, and Z4 models
• Part number KS334 for precise identification
• Bolt mount attachment method for secure installation
• One rectangular plug-in connector with male connector gender and female terminal gender
• Four bullet-type terminals for reliable electrical connection
• Constructed from plastic and metal materials for durability
• Mounting hardware not included

Detailed Product Description

The Standard Ignition KS334 knock sensor is engineered to detect engine detonation or knocking, which can negatively impact engine performance and longevity. It uses a bolt mount attachment method to secure the sensor firmly to the engine block, ensuring accurate vibration detection. The sensor includes a single rectangular plug-in connector with a male connector gender and female terminal gender, featuring four bullet-type terminals to maintain a stable electrical connection. Its plastic and metal construction balances durability with resistance to engine heat and vibration. This sensor is specifically compatible with a wide range of BMW models, including popular series such as the 3 Series (320i, 323i, 328i, 330i), 5 Series (525i, 528i, 530i), and SUVs like the X3 and X5, as well as roadsters like the Z3 and Z4.

Common Applications and Issues Addressed

• Detects engine knocking to prevent potential damage
• Helps optimize ignition timing for improved fuel efficiency
• Reduces engine noise caused by detonation
• Prevents engine misfires related to knock sensor failure
• Supports emission control by ensuring proper combustion

Installation Notes and Tips

• Ensure the engine is cool before installation to avoid injury
• Use the bolt mount method to secure the sensor firmly to the engine block
• Verify connector orientation: rectangular plug-in with male connector gender
• Check for clean and corrosion-free terminals before connecting
• Mounting hardware is not included; reuse existing hardware or source compatible bolts

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The KS334 knock sensor undergoes rigorous quality control testing to maintain durability and accuracy. Warranty coverage details vary by distributor but typically include protection against defects in materials and workmanship.