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BMW E21 spark plugs iridium and platinum

BMW E21 platinum and iridium spark plugs — excellent quality at an affordable price
Search BMW 3 Saloon E21 engine spark plug by registration number
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Spark plugs iridium and platinum for BMW 3 Saloon (E21)

Genuine BMW E21 engine spark plug upgrade — great savings with our low prices

Top-selling products: Engine spark plugs for BMW 3 Saloon (E21) vehicles

Best-selling replacement part: Engine spark plugs for BMW 3 Saloon. Choose from various engine spark plugs options BMW E21 3 Saloon from top manufacturers or explore other high-quality car parts.

-58%
RIDEX 686S0011 genuine BMW E21 spark plugs cost
Reviews - 54
Parts Details
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • RIDEX: Spark plug
  • Item number: 686S0011
  • Condition: New
Details
RIDEX 686S0011 Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 686S0011
compared to RRP 4,80 €

1,99 €
Price per item
7,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-50%
RIDEX 686S0012 genuine BMW E21 spark plugs cost
Reviews - 22
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • RIDEX: Spark plug
  • Item number: 686S0012
  • Condition: New
Details
RIDEX 686S0012 Spark plug Spanner Size: 20,8
Article number: 686S0012
compared to RRP 5,20 €

2,59 €
Price per item
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-42%
BOSCH 0 242 229 656 genuine BMW E21 spark plugs cost
Reviews - 60
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 229 656
  • Condition: New
Details
BOSCH WR 8 DC Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 229 656
compared to RRP 7,98 €

4,59 €
Price per item
18,36 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-35%
BOSCH 0 242 225 599 genuine BMW E21 spark plugs cost
Reviews - 9
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 225 599
  • Condition: New
Details
BOSCH +16 Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 225 599
compared to RRP 6,60 €

4,29 €
Price per item
17,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-36%
BOSCH 0 242 235 663 1980 BMW E21 spark plugs price
Reviews - 77
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 235 663
  • Condition: New
Details
BOSCH WR 7 DC Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 235 663
compared to RRP 6,24 €

3,99 €
Price per item
15,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-36%
BOSCH 0 242 232 504 1979 BMW E21 spark plugs price
Reviews - 32
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 20,8
  • Supplementary Info: Super 4
  • Thread Length [mm]: 19
  • Spark Position [mm]: 5
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 4
  • BOSCH: Spark plug
  • Item number: 0 242 232 504
  • Condition: New
Details
BOSCH WR 78 Spark plug M 14 x 1,25, Spanner Size: 20,8, Super 4
Article number: 0 242 232 504
compared to RRP 11,54 €

7,29 €
Price per item
29,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-20%
DENSO W20TT 1978 BMW E21 spark plugs price
Reviews - 14
Parts Details
  • Product line: Nickel TT
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Crimped SAE
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 58
  • alternative item: IW20, IW20TT, IW20
  • DENSO: Spark plug
  • Item number: W20TT
  • Condition: New
Details
DENSO 4602 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W20TT
compared to RRP 7,87 €

6,29 €
Price per item
25,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

STARK SKSP-1990009 1977 BMW E21 spark plugs price
Reviews - 12
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • STARK: Spark plug
  • Item number: SKSP-1990009
  • Condition: New
Details
STARK SKSP-1990009 Spark plug Spanner Size: 20,8
Article number: SKSP-1990009
1,99 €
Price per item
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-18%
DENSO W16EPR-U BMW E21 engine spark plug
Reviews - 5
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 56
  • for OE number: 7700500048
  • alternative item: W16TT
  • DENSO: Spark plug
  • Item number: W16EPR-U
  • Condition: New
Details
DENSO 3021 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W16EPR-U
compared to RRP 4,38 €

3,59 €
Price per item
14,36 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

DENSO W16TT BMW E21 spark plug
Reviews - 3
Parts Details
  • Product line: Nickel TT
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Crimped SAE
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 58
  • for OE number: 1WT118110
  • alternative item: IW16, IW16TT, IW16
  • DENSO: Spark plug
  • Item number: W16TT
  • Condition: New
Details
DENSO 4601 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W16TT
6,29 €
Price per item
25,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-49%
NGK 6637 BMW E21 engine spark plugs
Reviews - 5
Parts Details
  • Spark Plug: Unscrewable SAE connector, Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 6637
  • Condition: New
Details
NGK BPR6EIX Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6637
compared to RRP 34,45 €

17,49 €
Price per item
69,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

DENSO IW16TT BMW E21 spark plugs
Reviews - 5
Parts Details
  • Product line: Iridium TT
  • Spark Plug: with resistor, 1 - Earthed Electrode, Iridium Middle Electrode, Platinum mass electrode
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Diameter: 14
  • Gross Weight [g]: 61
  • alternative item: IW16TT
  • DENSO: Spark plug
  • Item number: IW16TT
  • Condition: New
Details
DENSO 4708 Spark plug M14x1.25,
Article number: IW16TT
14,99 €
Price per item
59,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-54%
NGK 6597 1982 BMW E21 engine spark plug prices
Reviews - 5
Parts Details
  • Spark Plug: Unscrewable SAE connector, Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 6597
  • Condition: New
Details
NGK BPR5EIX Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6597
compared to RRP 33,89 €

15,49 €
Price per item
61,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-56%
HELLA 8EH 188 704-001 1981 BMW E21 spark plug prices
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1,25
  • Tightening Torque [Nm]: 25, 30
  • Assy. / disassy. by qualified personnel required!
  • HELLA: Spark plug
  • Item number: 8EH 188 704-001
  • Condition: New
Details
HELLA YH7RCP-8U Spark plug M14 x 1,25, Spanner Size: 20,8
Article number: 8EH 188 704-001
compared to RRP 6,00 €

2,59 €
Price per item
10,36 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-37%
NGK 2364 1980 BMW E21 engine spark plugs prices
Reviews - 2
Parts Details
  • Product line: V-Line
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 2364
  • Condition: New
Details
NGK BP5E Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2364
compared to RRP 6,84 €

4,29 €
Price per item
17,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

CHAMPION CCH9804 1979 BMW E21 spark plugs prices
Reviews - 2
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Iridium Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Pt GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RN8WYPB3
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 10
  • Packaging width [cm]: 2,5
  • Packaging height [cm]: 2,5
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CCH9804
  • Condition: New
Details
CHAMPION 9804 Spark plug RN8WYPB3, M14x1.25, Spanner Size: 21 mm, Pt GE
Article number: CCH9804
20,49 €
Price per item
81,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-37%
VEMO V99-75-0011 1978 BMW 3 Saloon (E21) spark plug prices
Reviews - 1
Parts Details
  • Product line: Q+, original equipment manufacturer quality
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,7
  • Length [mm]: 126
  • Packaging width [cm]: 8,5
  • Packaging height [cm]: 2,4
  • Packaging Depth [cm]: 2,4
  • VEMO: Spark plug
  • Item number: V99-75-0011
  • Condition: New
Details
VEMO 1019290 Spark plug
Article number: V99-75-0011
compared to RRP 6,38 €

3,99 €
Price per item
15,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-10%
DENSO W16EP-U 1977 BMW E21 engine spark plugs prices
Reviews - 1
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter: 14
  • Weight [g]: 56
  • alternative item: W16TT
  • DENSO: Spark plug
  • Item number: W16EP-U
  • Condition: New
Details
DENSO 3018 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W16EP-U
compared to RRP 3,68 €

3,29 €
Price per item
13,16 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-63%
BOSCH 0 242 230 599 1976 BMW 3 Saloon (E21) spark plug set prices
Reviews - 2
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 230 599
  • Condition: New
Details
BOSCH WR 8 DPP 30 W Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 230 599
compared to RRP 18,19 €

6,59 €
Price per item
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-39%
VEMO V99-75-0006 1975 BMW E21 spark plugs prices
Reviews - 2
Parts Details
  • Product line: Q+, original equipment manufacturer quality
  • Spark Plug: 3 - Earthed Electrode
  • Electrode Gap [mm]: 0,9
  • Weight [kg]: 0,06
  • Packaging width [cm]: 8,5
  • Packaging height [cm]: 2,4
  • Packaging Depth [cm]: 2,4
  • VEMO: Spark plug
  • Item number: V99-75-0006
  • Condition: New
Details
VEMO V99-75-0006 Spark plug
Article number: V99-75-0006
compared to RRP 6,60 €

3,99 €
Price per item
15,96 € / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

Spark plugs for leading BMW 3 Saloon (E21) models

BMW E21 315
BMW 3 Series E21 316:
BMW E21 318
BMW 3 Series E21 318i:
BMW E21 320
BMW 3 Series E21 320i:
BMW E21 320/6
BMW 3 Series E21 323:
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Safe Order 200 days for spark plugs BMW E21 purchase
Safe Order 200 days
Safe Order 200 days

Confidence in online shopping! You can return a spare part without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service at the checkout page. The service cost is only 3,95 €.

Free Shipping for iridium and platinum spark plugs BMW E21 purchase
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Free Shipping

Each order from 120 € value of goods, include free shipping within France.
*Does not apply to large-size auto parts.
*Except/excluding areas with the following postcodes: 971XX - 976XX, 986XX - 988XX

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