Audi / Volkswagen Engine Control Unit / Module / ECU 3B0907551BS

OEM Part #: 3B0-907-551-BS (3B0907551BS)

This page covers one exact OEM part number. Every unit we stocked has sold.

Programming required: this module must be coded to your VIN by a dealer or with the proper diagnostic tool before it will work.

We may be able to get another

Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

Other Engine Control Module / ECM / ECU / DME that may fit your vehicle

ECU / ECM / Engine Control Module 3B0907551G

ECU / ECM / Engine Control Module

$69.99
Fits 1998–2001 Audi & Volkswagen
OEM: 3B0907551G
Used Only 1 left
ECU / Engine Module Mount Bracket 8E0907354

ECU / Engine Module Mount Bracket

$12.13
Fits 1996–2023 Audi & Volkswagen
OEM: 8E0907354
Used Only 1 left
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

The Engine Control Unit (ECU), also known as the Engine Control Module (ECM), is a critical component located in the engine bay of your vehicle, functioning as the brain of the engine management system. This ECU ensures optimal engine performance by processing data from various sensors and adjusting fuel injection, ignition timing, and emission controls accordingly. Common issues that may necessitate ECU replacement include non-functioning units caused by electrical shorts or water damage, or degradation over time that affects engine response. This OEM part, with numbers 3B0997552EX and 3B0907551BS, is compatible with Audi A6 and A6 Quattro (1998, 2001) and Volkswagen Passat (2001), equipped with a 2.8L engine (engine ID ATQ). Ensure proper programming post-installation for seamless integration.

Specifications

Specifications for Engine Control Unit / Module / ECU 3B0907551BS
Fits Vehicle ModelA6, Passat
Fits Vehicle MakeAudi, Volkswagen
OEM Part No3B0-907-551-BS (3B0907551BS)
Compatible OEM Part No 3B0-997-552-EX
CategoryComputers / Modules

Compatible Vehicles

Fits 9 vehicle configurations across 2 makes, 1998-2001.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A6 1998-2001 · 5 variants 5 with notes

Volkswagen

  • Passat 2001 · 4 variants 4 with notes
View all 9 vehicle configurations — 9 with fitment notes
Full vehicle fitment list for Engine Control Unit / Module / ECU 3B0907551BS
Year Make Model Trim Engine Note
1998 Audi A6 Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
1998 Audi A6 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2001 Audi A6 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 041001; For Vehicles with Engine Code(s) ATQ
2001 Audi A6 Quattro Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 041001; For Vehicles with Engine Code(s) ATQ
2001 Audi A6 Quattro Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 041001; For Vehicles with Engine Code(s) ATQ
2001 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 600000
2001 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 600000
2001 Volkswagen Passat Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 600000
2001 Volkswagen Passat Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 600000

Ask a parts specialist

Asking about: Engine Control Unit / Module / ECU 3B0907551BS · OEM #3B0907551BS