🏷️ Basic Information

Make:

Audi

Model:

S4

Model Generation:

B6/B7

Model Years Covered:

2003, 2004, 2005, 2006

Engine Code Common:

BBK

👋 Introduction

Positioning:

High-performance luxury sedan targeting enthusiasts and owners seeking precise part information for maintenance and repair.

Comparisons:

Competes with BMW M3, Mercedes-Benz C-Class AMG, and similar performance variants from other luxury manufacturers.

Vehicle Highlights:

Quattro all-wheel drive, potent V8 engine, sporty handling, premium interior.

Value:

Essential resource for accurate part sourcing, DIY repairs, and accurate labor cost estimations.

📋 Manual Details

Parts List Categories:

Special Cautions, Engine Transmission Mounts, Paint Code Location, Engine Under Cover, Clear Coat Identification, Air Cleaner, Information Labels, Exhaust, Front Bumper, Emission System, Grille, Electrical (No Wiring), Front Lamps, Windshield, Hood, Cowl & Dash, Cooling, Instrument Panel, Engine Oil Cooler, Center Console, A/C Refrigerant Capacities, Rocker/Pillars/Floor, A/C Heater/Ventilation, Front Seat, Front Fender, Rear Seat, Underhood Dimensions, Seat Belts, Front Inner Structure, Front Door, Air Bag System, Roof, ABS/Brakes, Sunroof, Cruise Control System, Back Window, Wheel, Quarter Panel, Front Suspension, Quarter Glass, Front Drive Axle, Luggage Lid, Front Steering Linkage/Gear, Rear Suspension, Steering Pump, Fuel Tank, Steering Wheel/Column, Rear Body, Engine/Transmission (No Internal Parts), Rear Lamps, Rear Bumper

Page Count Estimated:

Refer to specific catalog section for exact pagination, typically hundreds of pages.

Type:

Parts List Catalog

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine (external components, mounts), Transmission (mounts), Fuel System (tank), Exhaust System

Chassis:

Front Suspension, Rear Suspension, Brakes (ABS), Steering (linkage, pump, wheel/column), Wheels

Body Exterior:

Front Bumper, Grille, Front Lamps, Windshield, Hood, Front Fender, Roof, Back Window, Quarter Panel, Quarter Glass, Luggage Lid, Rear Bumper, Rear Lamps, Front Door, Rear Body, Engine Under Cover

Body Interior:

Cowl & Dash, Instrument Panel, Center Console, Front Seat, Rear Seat, Seat Belts, Rocker/Pillars/Floor

Electrical HVAC:

Air Cleaner, Cooling System, Engine Oil Cooler, A/C Refrigerant Capacities, A/C Heater/Ventilation, Air Bag System, Cruise Control System, Electrical (External components, no wiring diagrams)

Part Identification:

Identification of specific part numbers for ordering and replacement.

Labor Estimation:

Provides estimated labor hours for various repair and maintenance procedures.

Diy Support:

Aids do-it-yourself mechanics in identifying and ordering necessary parts for repairs.

Depth:

Focused on parts identification, pricing, and labor estimation. Does not contain repair procedures or diagnostic information but is crucial for sourcing components.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely searchable by part number and descriptive text within the PDF.

Quality:

Depends on original source; typically clear for part numbers and diagrams.

Type:

N/A (Digital PDF)

Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Displacement:

4.2 Liters (4163 cc)

Valvetrain:

DOHC, 5 Valves per Cylinder

Bore X Stroke:

84.5 mm x 92.5 mm

Horsepower:

340 hp @ 7000 rpm

Torque:

302 lb-ft @ 3500 rpm

Fuel Delivery:

Electronic Fuel Injection (MPI)

Coolant Type Specification:

G12 (or equivalent pink coolant)

Oil Type Specification:

SAE 0W-40 Synthetic (e.g., Castrol Syntec or equivalent)

Oil Capacity Quarts:

9.5 quarts (9.0 liters) with filter change

🔧 Transmission

Transmission Type:

6-Speed Manual

Transmission Type:

6-Speed Tiptronic Automatic

Drivetrain:

Quattro Permanent All-Wheel Drive

Manual Transmission Fluid:

G 005 215 A2 (or equivalent GL-4 SAE 75W-90 synthetic)

Automatic Transmission Fluid:

G 055 025 A2 (or equivalent JWS 3309)

📐 Dimensions

Length Inches:

187.6

Width Inches:

70.1

Height Inches:

56.0

Wheelbase Inches:

107.4

Curb Weight Lbs Manual:

3858

Curb Weight Lbs Automatic:

3946

Gross Vehicle Weight Rating Lbs:

5070

🛡️ Safety Features

NHTSA Front Driver Side Impact:

5-Star (2004 Model)

NHTSA Front Passenger Side Impact:

5-Star (2004 Model)

IIHS Frontal Offset Score:

Good (2004 Model)

Braking System:

Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD)

Stability Control:

Electronic Stability Program (ESP)

Airbags:

Frontal airbags, side airbags, available side curtain airbags

Seatbelts:

3-point inertia-reel seatbelts with pretensioners

💡 Technology Features

Audio System:

Audi Symphony II or optional Bose premium sound system, CD player, cassette deck (early models).

Navigation:

Optional Audi Navigation Plus system.

Cruise Control:

Standard cruise control system.

Auxiliary Input:

Typically not standard, often added via aftermarket solutions.

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles or annually, whichever comes first (depending on driving conditions and oil used).

Timing Belt Replacement:

N/A (Vehicle utilizes a timing chain)

Spark Plug Replacement:

Approximately 60,000 miles (refer to specific manual for exact interval and part number).

Brake Fluid Specification:

DOT 4 (e.g., G 000 115 A6)

Power Steering Fluid Specification:

G 004 000 M2 (or Pentosin CHF 11S)

Common Problems:

Cam chain tensioner wear, oil cooler leaks, PCV system issues, catalytic converter failure, quattro system component wear, suspension component wear (control arms, ball joints).

Oil Filter Example:

Mann Filter HU 816 x or equivalent OEM part.

📚 Vehicle History

Audi Performance Legacy:

Audi has a long history of performance vehicles, particularly with its quattro all-wheel-drive system and sporty S and RS models.

S4 Lineage:

The S4 nameplate has been applied to various Audi models, evolving from inline-four, inline-five, and V6 engines before adopting the V8 for the B6 generation.

Manufacturing Location:

Ingolstadt, Germany

🏆 Awards & Recognition

Car And Driver 10Best:

Not directly listed as a 10Best winner, but the Audi A4/S4 platform generally received positive reviews from automotive press for its performance and luxury.

Consumer Reports Reliability:

Reliability ratings varied; some model years and components were known to be problematic, reinforcing the value of accurate parts information.