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This listing is for an Engine Control Unit (ECU) for 2003-2005 BMW 3-Series models. The ECU is a crucial component in a vehicle's engine management system. It is responsible for controlling various engine functions such as fuel injection, ignition timing, and idle speed NR-24
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.