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Parts catalog

BMW 7-Series E23 (1978-1986) Ignition - Spark Plugs
Spark Plugs
Spark plugs are used to ignite the fuel-air mixture in the engine's combustion camber. New spark plugs are a must for any good tune-up. Check for abnormal pitting or charred plug ends. Also check each plug against each other. Any strange variations among plugs are a sure indicator that something is wrong with a particular cylinder.

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  • 12-12-1-276-283-M14
  • 12-12-1-276-283-M14
  • 12-12-1-276-283-M14
  • 12-12-1-276-283-M14
OEM OEM
12-12-1-276-283

Spark Plug - Bosch WR-8-DC+ (7905)

Part #: 12-12-1-276-283-M14

(1)

$ 4.00

$ 3.74

- 733i Sedan (1979-80)

Note: through 8/79

(6 per car, sold individually)

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  • 12-12-1-276-283-BOE
  • 12-12-1-276-283-BOE
  • 12-12-1-276-283-BOE
12-12-1-276-283

Spark Plug - Bosch WR-8-DC+ (7905)

Part #: 12-12-1-276-283-BOE

$ 14.25

- 733i Sedan (1979-80)

Note: through 8/79

(6 per car, sold individually)

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  • ZGR-5-A-INT
  • ZGR-5-A-INT
  • ZGR-5-A-INT
  • ZGR-5-A-INT
ZGR-5-A

Spark Plug

Part #: ZGR-5-A-INT

$ 5.25

- 733i Sedan (1982-84)
- 735i Sedan (1985-86)

Note: Copper Resistor V Groove Electrode (6 per car, sold individually)

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  • 12-12-1-279-599-BOE
  • 12-12-1-279-599-BOE
  • 12-12-1-279-599-BOE
12-12-1-279-599

Spark Plug - Bosch WR-9-LS

Part #: 12-12-1-279-599-BOE

$ 13.12

- 733i Sedan (1980) from 9/79
- 733i Sedan (1981-84) Alternative option 12 12 9 061 869
- 735i Sedan (1985-86) Alternative option 12 12 9 061 869

(6 per car, sold individually)

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  • WR-9-LS-INT
  • WR-9-LS-INT
WR-9-LS

Spark Plug

Part #: WR-9-LS-INT

(1)

$ 9.00

- 733i Sedan (1982-84)
- 735i Sedan (1985-86)

Note: Resistor Silver (6 per car, sold individually)

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  • IW16-INT
  • IW16-INT
  • IW16-INT
IW16

Spark Plug

Part #: IW16-INT

$ 8.75

- 733i Sedan (1978-84)
- 735i Sedan (1985-86)

Note: 0.7mm Electrode Iridium Resistor (6 per car, sold individually)

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  • BPR-5-EIX-INT
  • BPR-5-EIX-INT
  • BPR-5-EIX-INT
BPR-5-EIX

Spark Plug

Part #: BPR-5-EIX-INT

$ 10.75

- 733i Sedan (1978-81)

Note: Iridium Resistor (6 per car, sold individually)

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  • BPR-5-EY-INT
  • BPR-5-EY-INT
  • BPR-5-EY-INT
  • BPR-5-EY-INT
BPR-5-EY

Spark Plug

Part #: BPR-5-EY-INT

$ 3.75

- 733i Sedan (1978-81)

Note: Copper Resistor V Groove Electrode (6 per car, sold individually)

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