P0327 Code: Knock Sensor Low Input Causes & Fix
Learn what triggers the P0327 knock sensor low-input code, how serious it is, and how to diagnose the sensor, connector and wiring step by step before replacing parts.
Jul 27, 2026
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BMW 430i Gran Coupe Knock Sensor
3 itemsGet a reliable Knock Sensor for your vehicle at A-Premium. Our high-quality sensors are designed to accurately detect engine knocking, helping to prevent costly damage. Browse our selection today and enjoy fast, free shipping on your order.
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Walker ProductsPart # 242-91027
Walker Products 242-91027 Ignition Knock (Detonation) Sensor
4.329 Reviews
$40.99
Low stock: Only 1 left
StandardPart # KS447
Standard KS447 Ignition Knock (Detonation) Sensor
4.448 Reviews
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Walker ProductsPart # 242-1027
Walker Products 242-1027 Ignition Knock (Detonation) Sensor
4.329 Reviews
$33.99