BMW Spark Plugs for BMW E30 M3 S14 2.3L

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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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Bosch Spark Plug - X5DC -E24 M6, E28 M5, E30 M3
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Bosch - Corporate Logo
T#:339081
Part#: 7409
In Stock
Starting at $ 28.99 USD
Free Shipping on orders $49 and up
Starting at $ 28.99 USD
Free Shipping on orders $49 and up

These are standard replacement plugs for the E30 M3 S14 and E28 M5/E24 M6. All M cars should have their spark plugs replaced every 15,000 miles. This will help immensely in maintaining your car's impressive performance! These standard plugs are adequate for a mildly-tuned, street-driven M3. Replacement for BMW Part #12129061882.

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 item fits the following BMWs:
1988-1991 E30 BMW M3
1988 E28 BMW M5
1987-1989 E24 BMW M6

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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
Free Shipping on orders $49 and up
Extended socket length reaches confined areas.
Schwaben Extended 5/8" Spark Plug Socket
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Schwaben - Corporate Logo
T#:367321
Part#: S-3858-125
In Stock
Sale - Save 25% $ 25.99

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

$ 19.49 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 25.99

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

$ 19.49 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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OEM Bosch Spark Plug - E24 M6, E28 M5, E30 M3
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Bosch - Corporate Logo
T#:4019
Part#: X5DC
In Stock
$ 7.15

This product was last offered at the strikethrough price on
06-16-2026

$ 7.13 USD
Free Shipping on orders $49 and up
$ 7.13 USD
Free Shipping on orders $49 and up

Bosch X5DC spark plug for S14 and S38 engines. Listed as BMW part #'s 12129061882, 12121311928, and 12121305306. Over time spark plugs become contaminated, worn, and "fouled out". This can cause a weak or missing spark leading to issues with fuel efficiency, misfires, check engine codes, and poor idle or even direct damage to your catalytic converter. This OEM spark plug made by Bosch will restore OE spark plug operation and function, returning lost power and fuel efficiency.

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 quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
1988-1991 E30 BMW M3
1988 E28 BMW M5
1987-1989 E24 BMW M6

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Spark Plug Gap Gauge
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Performance Tool - Corporate Logo
T#:1855998
Part#: W80535
Ships in 1-2 days
$ 1.99 USD
Free Shipping on orders $49 and up
Easy to read markings to set gaps quickly and easily.