BMW Spark Plugs for BMW E21 320i M10 1.8L

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Spark plugs should be replaced as part of routine maintenance to keep performance and fuel economy at its peak. Turner Motorsports carries Genuine BMW and high performance aftermarket options that will keep your engine burning at top efficiency.
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Bav Auto Spark Plug Socket 12" x 5/8"
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Bav Auto Tools - Corporate Logo
T#:580385
Part#: B8800072
In Stock
Sale - Save 20% $ 37.99

This product was last offered at the strikethrough price on
05-03-2026

$ 30.39 USD
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Sale - Save 20%
$ 37.99

This product was last offered at the strikethrough price on
05-03-2026

$ 30.39 USD
Free Shipping on orders $49 and up
Magnetic insert holds the spark plug securely in place for easy installation. Works great on many twin can engines where the spark plugs are recessed deep in the cylinder head.
Spark Plug Socket 16MM 12 Point Swivel
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CTA Tools - Corporate Logo
T#:640924
Part#: CTA4329
In Stock
$ 24.28 USD
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Swivel Spark Plug Socket 16MM
Titan Swivel Spark Plug Socket Extension
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Titan - Corporate Logo
T#:797051
Part#: TIT62161
In Stock
$ 25.99 USD
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Knurled shaft for better grip

Billet Spark Plug Gapper Tool - 14mm - BMS
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Burger Motorsports - Corporate Logo
T#:583132
Part#: BMSBSPGT14MM
Ships in 7 Business Days
$ 35.00 USD
Free Shipping on orders $49 and up

BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.

  • Precisely gaps spark plugs for enhanced engine performance and efficiency
  • Speeds up the gapping process while ensuring accuracy and uniformity
  • Available in two sizes (14mm and 12mm) for a wider range of compatibility
  • Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
  • Made in the USA for premium quality and durability
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3/8" Dr. 5/8" Extended Spark Plug Socket
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Performance Tool - Corporate Logo
T#:2242226
Part#: W80533
Ships in 1 Business Day
$ 20.25 USD
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Extended socket length reaches confined areas.
Extended Spark Plug Socket
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Sunex - Corporate Logo
T#:391150
Part#: SUU884506
Ships in 8 Business Days
$ 20.99 USD
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3/8" drive socket with 5/8" opening for most spark plugs

Genuine BMW Spark Plug Service Indicator Label - BMW
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Genuine BMW - Corporate Logo
T#:362838
Part#: 01399791390
In Stock
$ 3.61 USD
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Stick this label in a conspicuous place to act as a reminder of your service history. Documenting when your BMW's sparks plugs have been swapped helps you keep track of vital maintenance!
Schwaben Extended 5/8" Spark Plug Socket
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Schwaben - Corporate Logo
T#:367321
Part#: S-3858-125
In Stock
Sale - Save 20% $ 25.99

This product was last offered at the strikethrough price on
05-02-2026

$ 20.79 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 25.99

This product was last offered at the strikethrough price on
05-02-2026

$ 20.79 USD
Free Shipping on orders $49 and up

The Schwaben Extended Reach Spark Plug Socket is the perfect tool for removing 5/8-inch spark plugs with deeply recessed plugs.

The five inch long, rigid socket body provides solid engagement with the plug hex to prevent plug breakage.

Features:

  • Magnetic ring holds the spark plug but won't stick to the plug porcelain neck like sockets with cheap rubber inserts
  • Chrome plated with durable and attractive polished surface
  • Turn it with a 3/8-inch ratchet or a 19 mm (¾-inch) socket or box wrench at the external hex head
  • Outer diameter of socket is approximately 22mm
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9-Wire Spark Plug Gap Gauge
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CTA Tools - Corporate Logo
T#:641657
Part#: CTA3238
In Stock
$ 3.99 USD
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Always check gap on your new spark plugs

Spark Plug
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Bosch - Corporate Logo
T#:589000
Part#: 12121276283
In Stock
$ 4.99 USD
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Wire Type Spark Plug Gapper .040 to .080
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Lisle - Corporate Logo
T#:641655
Part#: LIS67900
Ships in 1 Business Day
$ 4.99 USD
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Always check gap on your new spark plugs
Spark Plug Gap Gauge
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Performance Tool - Corporate Logo
T#:1855998
Part#: W80535
Ships in 3 Business Days
$ 1.99 USD
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Easy to read markings to set gaps quickly and easily.


Bosch Spark Plug - W8DC - 2002, 7-series 1975-79, E21 320i
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Bosch - Corporate Logo
T#:339071
Part#: W8DC
Ships in 3 Business Days
Starting at $ 19.96 USD
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Starting at $ 19.96 USD
Free Shipping on orders $49 and up
High-quality Bosch ignition components keep your car running in tip-top shape.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products.

This part fits the following BMWs:
1976 - 1989 E24 630CSi 633CSi 
1977 - 1986 E23 733i
1975 - 1983 E21 320i 
1972 - 1984 E12 528i 530i 
1968 - 1977 E3 3.0Si 
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CTA Tools - Spark Plug Gapper
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CTA Tools - Corporate Logo
T#:641654
Part#: CTA3235
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up

CTA Tools - Spark Plug Gapper is an essential tool for accurately setting and measuring spark plug gaps, ensuring optimal engine performance. This precision tool is designed for both professional and DIY mechanics, providing reliable gap adjustments for a variety of engine applications.

  • Versatile Measurement Range: The ramp gauge measures gaps from .020 to .100 inches (0.50 to 2.5 mm), accommodating a wide range of spark plug specifications.
  • Precision Engineering: Engineered to deliver accurate gap settings, improving engine efficiency and performance.
  • Made in the USA: Crafted with high-quality materials to ensure durability and long-lasting performance.
  • Easy to Use: Simple design makes gap adjustments quick and straightforward, enhancing convenience in any workshop or garage setting.

Upgrade your toolset with the CTA Tools - Spark Plug Gapper to achieve precise spark plug gaps and optimize your engine’s performance.

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