Carquest Ignition Knock (Detonation) Sensor, EKA1048
In stock
$64.99
Listed as compatible with this vehicle by the retailer feed.
Check price2021 BMW M3 Sensors
3 products listed as compatible with this vehicle by the retailer feed.
Carquest New Map Sensor, ECA2496
In stock
$199.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Carquest Engine Crankshaft Position Sensor, CSC4472
In stock
$243.99
Listed as compatible with this vehicle by the retailer feed.
Check price
This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.