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NGK Bi-Hex 91785 Spark plug M12 x 1,25, Spanner Size: 14 mm

Article number: 91785 EAN: 0087295917855
Reviews - 25
Description
  • Spark Plug: with gasket seat, Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 5 kOhm, Fixed SAE connector
  • Spanner Size: 14 mm
  • Thread Length [mm]: 24,2
  • Spark Position [mm]: 9,3
  • Thread Size: M12 x 1,25
  • Version: Bi-Hex
  • Item number: 91785
  • Manufacturer: NGK
  • EAN number: 0087295917855
  • TecDoc Engine Number: This characteristic varies depending on the car model.
  • Condition: New
Trade numbers: NGK ZKBR7A-HTU
In stock
-13%
compared to RRP £13.25

£11.49
Price per item
£45.96 / Price per 4 items

price incl. 20% VAT

excl. delivery costs

Sold by AUTODOC

Add to wish list
Safety and product information
Compatibility with passenger cars
NGK 12 12 0 038 349 Spark plug

Fully equivalent products

-61%
RIDEX 686S0082 Spark plug Spanner Size: 14
Reviews - 8
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • External Thread [mm]: 12
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 3
  • Tightening angle [degrees]: 90
  • Item number: 686S0082
  • Manufacturer: RIDEX
  • EAN number: 4059191977529
  • Condition: New
Details
RIDEX 686S0082 Spark plug Spanner Size: 14
Article number: 686S0082
compared to RRP £14.60

£5.59
Price per item
price incl. 20% VAT, excl. delivery costs

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HELLA 8EH 188 705-261 Spark plug M12 x 1.25, Spanner Size: 16 mm
Reviews - 5
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Thread Size: M12 x 1.25
  • Tightening Torque [Nm]: 35
  • Assy. / disassy. by qualified personnel required!
  • Item number: 8EH 188 705-261
  • Manufacturer: HELLA
  • EAN number: 4082300461381
  • Condition: New
Details
HELLA PFJ8RC-7 Spark plug M12 x 1.25, Spanner Size: 16 mm
Article number: 8EH 188 705-261
£6.59
Price per item
£26.36 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

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RIDEX PLUS Nickel 686S0082P Spark plug M 12 x 1,25, Spanner Size: 14
Reviews - 1
Parts Details
  • Product line: Nickel
  • Spark Plug: Nickel-Copper Center Electrode, Nickel mass electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 6
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 3
  • Resistor [kOhm]: 6
  • Item number: 686S0082P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4067448729067
  • Condition: New
Details
RIDEX PLUS 686S0082P Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 686S0082P
£10.49
Price per item
£41.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

BOSCH 0 242 140 560 Spark plug M 12 x 1,25, Spanner Size: 14
Reviews - 46
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 6
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 3
  • Item number: 0 242 140 560
  • Manufacturer: BOSCH
  • EAN number: 4047025959513
  • Condition: New
Details
BOSCH ZGR 6 STE 2 W Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 0 242 140 560
£10.99
Price per item
£43.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

goCORE GCF860051 Spark plug M 12 x 1,25, Spanner Size: 14
Parts Details
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 6
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 3
  • Item number: GCF860051
  • Manufacturer: goCORE
  • EAN number: 4069197089782
  • Condition: New
Details
goCORE GCF860051 Spark plug M 12 x 1,25, Spanner Size: 14
Article number: GCF860051
£13.49
Price per item
£53.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

Major advantages of spark plugs 91785 NGK

Spark Position [mm]: 9,3, Spark Plug: Fixed SAE connector, Thread Length [mm]: 24,2

Spark plug NGK ZKBR7A-HTU

They faultlessly operate in the maximal load conditions.

NGK 91785 Spark plug

They are compatible with all types of power units.

NGK 91785 - Spark plug

The center electrode has a V-shaped groove.

For this reason the spark plugs effectively ignite the air-fuel mixture and help to reduce emission of hazardous substances in the process of engine work.

Spark plug NGK 91785

Enhanced wear resistance.

The parts are manufactured from materials with low sensitivity to spark erosion.

NGK ZKBR7A-HTU Spark plug

They have trivalent metal coating. It efficiently protects the parts against corrosion.

Spark plug NGK

NGK spark plugs are high quality components chosen by leading passenger car manufacturers. The Japanese company NGK produces original and aftermarket auto parts for passenger cars of various classes.

Autodoc online workshop Do-It-Yourself auto repair
How to change spark plug on BMW 3 E90 TUTORIAL | AUTODOC
How to change spark plug on BMW 330i 3 (E92) [TUTORIAL AUTODOC]

Spark plug Tutorial/Step by step guide for repair and replacement

Spark plug NGK 91785 compatible with the following popular cars

Car models BMW E90; BMW E91; BMW E60; BMW E87; BMW F11; BMW F10; BMW E61; E92; BMW E81; BMW E93; BMW E82; BMW E88; BMW E63; BMW E64
Engines 325xi; 325i xDrive; 320 i; 325 i; 318i; 330 i xDrive; 316 i; 330 xi; 330 i; 320i; 330i; 316i; 318 i; 525i; 525 i; 523i; 530 i xDrive; 525 i xDrive; 520 i; 520i; 530 xi; 530i; 525xi; 118 i; 120i; 116 i; 116i; 528 i; 523 i; 530 i; 528i; 530xi 3.0; 523i 2.5; 525 xi; 330xi 3.0; 325i; 120 i; 118i; 630i
Engine power (horsepower) 122-272 hp
Power (kilowatts) 90-200 kW
Year of manufacture 2005-2013
Manufacturer article number ZKBR7A-HTU
OE part number(s) 12 12 0 038 349, 12 12 0 034 091, 0 038 349, 0 034 091, 12 12 7 550 011

Spark plug NGK 91785 : Review and evaluation

24 reviews

L.H. 10.10.2022
gb Published at autodoc.co.uk

Exactly the same as the OEM BMW spark plugs great quality. Car feels great

Leave a comment
J.B. 14.03.2024
Verified purchase
gb Published at autodoc.co.uk

OE Part for my car. Great performance beyond expected service life

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K.D. 04.05.2025
Verified purchase
gb Published at autodoc.co.uk

It's the best and the correct choice for bmw n43 engines

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B.C. 30.09.2025
Verified purchase
gb Published at autodoc.co.uk

Perfect for N53 as described by Bimmerproofs!

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C.M. 05.04.2025
Verified purchase
gb Published at autodoc.co.uk

Not compatible with my 08.2006 E92 330i.

Leave a comment
1
K.D. 11.03.2025
Verified purchase
gb Published at autodoc.co.uk

the only choice for bmw n43 engine

Leave a comment
I.D. 29.07.2024
Verified purchase
gb Published at autodoc.co.uk

A friend recommended it to me

Leave a comment
C.I. 27.12.2021
Verified purchase
gb Published at autodoc.co.uk

is recommended on BMW shop

Leave a comment
T.L. 16.11.2025
gb Published at autodoc.co.uk

Lasted longer than bosch

Leave a comment
A.S. 20.01.2021
Verified purchase
gb Published at autodoc.co.uk

Recommended by mechanic

Leave a comment
K.O. 18.08.2025
gb Published at autodoc.co.uk

Its a realky gokd item

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A.J. 07.06.2024
Verified purchase
gb Published at m.autodoc.co.uk

recomended for the N43

Leave a comment
J.W. 20.02.2022
Verified purchase
gb Published at autodoc.co.uk

Seems like a good deal

Leave a comment
N.S. 03.07.2024
Verified purchase
gb Published at autodoc.co.uk

it's the correct one

Leave a comment
K.T. 27.09.2021
Verified purchase
gb Published at autodoc.co.uk

good condition

Leave a comment
M.C. 05.02.2023
gb Published at autodoc.co.uk

good reviews

Leave a comment
P.A. 06.09.2021
Verified purchase
gb Published at autodoc.co.uk

Good quality

Leave a comment
J.K. 05.10.2020
Verified purchase
gb Published at autodoc.co.uk

Is very good

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L.W. 28.07.2021
Verified purchase
gb Published at autodoc.co.uk

recommended

Leave a comment
B.B. 18.09.2020
Verified purchase
gb Published at autodoc.co.uk

Oem quality

Leave a comment
E.F. 24.03.2025
Verified purchase
gb Published at autodoc.co.uk

I need it

Leave a comment
D.C. 28.11.2025
gb Published at autodoc.co.uk

Low price

Leave a comment
K.O. 21.08.2025
Verified purchase
gb Published at autodoc.co.uk

Superb

Leave a comment
B.B. 03.07.2023
gb Published at autodoc.co.uk

Good

Leave a comment

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This item was rated by 25 customers
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How the star rating is calculated

Customer reviews and star ratings help our customers learn more about a product and decide whether it is worth buying. A complex algorithm is used to calculate the star rating, taking into consideration how long ago the review was made, whether the item was actually purchased in the AUTODOC online shop, and whether it was returned or not.

How we verify reviews

The tag "verified purchase" allows you to find reviews from customers who have actually purchased the item in question from the AUTODOC online shop. The "verified purchase" label applies to reviews of items purchased from the same account the reviews were submitted from. We still consider reviews without the "verified purchase" tag to be important, but we can't guarantee that the items described in such reviews were purchased in the AUTODOC online shop.

Questions and answers

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NGK Bi-Hex 91785: popular articles

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Engine spark plug 0087295917855 Reliable and secure delivery with EVRI

Each order from £140 value of goods, include free shipping within United Kingdom. If order total is less than £140, shipping cost will be £8.45

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NGK 91785: spare parts with similar characteristics
BOSCH 0 242 140 560
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