Product Description

Used OEM BMW Basic Control Unit Set for BMW F10 528i equipped with the N20 2.0L Turbo Petrol Engine. Part number 8664661. Removed from a working vehicle and sold as shown.

This is a matched control unit set that includes the DME/ECU, CAS4 module, FEM (Front Electronic Module), and key. Ideal for replacing faulty control modules, immobilizer systems, or for vehicle repair projects. Matching sets help reduce synchronization issues between vehicle electronics and the engine management system.

Please verify compatibility before purchasing.

Features

• Genuine BMW OEM Control Unit Set
• Part Number: 8664661
• Engine: N20 2.0L Turbo Petrol
• Includes DME/ECU + CAS4 + FEM + Key
• Matched set for easier installation
• Controls engine management, immobilizer, and vehicle electronics
• OEM direct replacement
• May require coding/programming after installation

Fitment

• BMW 5 Series: F10 528i
• Engine: N20 2.0L Turbo Petrol
• Years: 2011–2016

May also be compatible with certain BMW F-Series models using the same control unit number. Always match the part number before purchase.

Item Details

Brand: BMW OEM / Bosch
Part Number: 8664661
Engine: N20 2.0L Turbo Petrol
Condition: Used
Type: DME ECU + CAS4 + FEM + Key Set

Return & Shipping Policy

Returns accepted within 14 days. Item must be in original condition.

Buyer pays return shipping and any customs duties, taxes, or import fees.

All parts are used – please confirm compatibility before purchasing.

NB: Contact via eBay Messenger for questions.