- Z3 M Coupe Convertible (1999-00)
- Z3 M Roadster Convertible (1998-00)
- Z3 Roadster Convertible (1997)
- Z3 Roadster Convertible (1998) through 8/98

- Z3 M Coupe Convertible (1999-00)
- Z3 M Roadster Convertible (1998-00)
- Z3 Roadster Convertible (1997)
- Z3 Roadster Convertible (1998) through 8/98

(2 per car, sold individually)

- Z3 M Coupe Convertible (1999-00)
- Z3 M Roadster Convertible (1998-00)
- Z3 Roadster Convertible (1997)
- Z3 Roadster Convertible (1998) through 8/98

(2 per car, sold individually)

- Z3 M Coupe Convertible (1999-00)
- Z3 M Roadster Convertible (1998-00)
- Z3 Roadster Convertible (1997)
- Z3 Roadster Convertible (1998) through 8/98

- Z3 Roadster Convertible (1996-98)

Note: Before catalyst in exhaust pipe.

- Z3 Roadster Convertible (1996-98)

Note: Before catalyst in exhaust pipe.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: Before catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: Before catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: Before catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: Before catalyst in exhaust manifold.

- Z3 Roadster Convertible (1996-98)

Note: After catalyst in exhaust pipe.

- Z3 Roadster Convertible (1996-98)

Note: After catalyst in exhaust pipe.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: After catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: After catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: After catalyst in exhaust manifold.

- Z3 M Coupe and Z3 M Roadster Coupe (2001-02)

Note: After catalyst in exhaust manifold.

- Z3 Roadster Convertible (1997-98) Approvals: BMW LL-01, MBZ 229.3 & 229.5, Audi/VW 502.00 & 505.00. ACEA A3/B4, API SL/CF.
- Z3 Roadster Convertible (1999)

Note: Approvals: BMW LL-01, MBZ 229.3 & 229.5, Audi/VW 502.00 & 505.00. ACEA A3/B4, API SL/CF.

- Z3 Roadster Convertible (1997) 4 Wire 410mm wire length Heated Thimble w/ OE connector
- Z3 Roadster Convertible (1998) 4 Wire 410mm wire length Heated Thimble To 9/98 w/ OE connector

- Z3 Coupe and Z3 Roadster Coupe (1999-02)

Note: Pre-Catalytic Converter Oxygen Sensor

(2 per car, sold individually)

- Z3 Coupe and Z3 Roadster Coupe (1999-02)

Note: Pre-Catalytic Converter Oxygen Sensor

(2 per car, sold individually)

- Z3 Coupe and Z3 Roadster Coupe (1999-02)

Note: Post-Catalytic Converter Oxygen Sensor

(2 per car, sold individually)

- Z3 Coupe and Z3 Roadster Coupe (1999-02)

Note: Post-Catalytic Converter Oxygen Sensor

(2 per car, sold individually)

- Z3 Coupe and Z3 M Coupe Convertible (1999-00)
- Z3 M Roadster and Z3 Roadster Convertible (1998-00)

Note: 4 Wire 660mm wire length Heated Thimble w/ OE connector, S52 (2 per car, sold individually)