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BMW E30 M3 S14 2.3L

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BMW E30 M3 S14 2.3L Ignition Maintenance Parts

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Extended 5/8" (16mm) Magnetic Spark Plug Socket

ES#9340 - S-3858-125 - Extended 5/8" (16mm) Magnetic Spark Plug Socket - The perfect tool for deeply recessed 5/8-inch spark plugs - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The perfect tool for deeply recessed 5/8-inch spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
9340
Mfg#:
S-3858-125
In Stock
ON 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
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 12" x 5/8" - Bavarian Autosport

ES#3673914 - B8800072 - Spark Plug Socket 12" x 5/8" - Bavarian Autosport - Magnetic insert holds the spark plug securely in place for easy installation. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Magnetic insert holds the spark plug securely in place for easy installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673914
Mfg#:
B8800072
In Stock
ON SALE! SAVE 20%
$37.99

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

$30.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil

ES#4669263 - 12131286087 - Ignition Coil - Keep your engine running strong - SMP - BMW

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4669263
Mfg#:
12131286087
In Stock
$75.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combination Feeler Gauge/Spark Plug Gapping Tool

ES#3617897 - KDT164 - Combination Feeler Gauge/Spark Plug Gapping Tool - Measure and correctly adjust the gap of your spark plugs - Gear Wrench - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Measure and correctly adjust the gap of your spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gear Wrench - Corporate Logo
ES#:
3617897
Mfg#:
KDT164
In Stock
$18.99

This product was last offered at the strikethrough price on
12-09-2025

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan Swivel Spark Plug Socket Extension

ES#4352826 - TIT62161 - Titan Swivel Spark Plug Socket Extension - Knurled shaft for better grip - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Knurled shaft for better grip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352826
Mfg#:
TIT62161
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 16MM 12 Point Swivel

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3604875
Mfg#:
CTA4329
In Stock
$24.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 M3 Distributor Cap

ES#27647 - 12111312160 - E30 M3 Distributor Cap - Replace your cracked or worn down cap - Genuine BMW - BMW

Replace your cracked or worn down cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27647
Mfg#:
12111312160
Ships in 3 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$237.99

This product was last offered at the strikethrough price on
06-03-2026

$231.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Gapper

ES#4336973 - CTA3235 - Spark Plug Gapper - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336973
Mfg#:
CTA3235
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4817837 - s14ignsKT - Ignition Service Kit - Includes new plugs, spark plug wires, a distributor cap, and a rotor - Assembled By ECS - BMW

Includes new plugs, spark plug wires, a distributor cap, and a rotor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4817837
Mfg#:
S14IGNSKT
Ships in 7 Business Days
$588.99

This product was last offered at the strikethrough price on
01-19-2026

$573.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 M3 Distributor Cap

ES#3038257 - 12111312160 - E30 M3 Distributor Cap - Replace your cracked or worn down cap - Bremi - BMW

Replace your cracked or worn down cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
3038257
Mfg#:
12111312160
In Stock
Limited Qty Sale
$162.67

This product was last offered at the strikethrough price on
01-19-2026

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

9-Wire Spark Plug Gap Gauge

ES#4336975 - CTA3238 - 9-Wire Spark Plug Gap Gauge - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336975
Mfg#:
CTA3238
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4 Pc. Spark Plug Socket Set-Euro

ES#3998971 - CTA2030 - 4 Pc. Spark Plug Socket Set-Euro - Get the complete set and be ready. - CTA Tools - BMW Mercedes Benz MINI

Get the complete set and be ready. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3998971
Mfg#:
CTA2030
Ships on Jun 22, 2026
$81.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Distributor Cap

ES#2996199 - 12111312160 - E30 Distributor Cap - Replace your cracked or worn down cap - Bosch - BMW

Replace your cracked or worn down cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2996199
Mfg#:
12111312160
Special Order: No Guaranteed ETA
$244.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Extended Spark Plug Socket

ES#3008984 - SUU884506 - Extended Spark Plug Socket - 3/8" drive socket with 5/8" opening for most spark plugs - Sunex - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3/8" drive socket with 5/8" opening for most spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sunex - Corporate Logo
ES#:
3008984
Mfg#:
SUU884506
Ships in 8 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Iridium Spark Plug - Priced Each

ES#4068825 - 5375 - Iridium Spark Plug - Priced Each - Keep your engine running strong - Denso - BMW

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Denso - Corporate Logo
ES#:
4068825
Mfg#:
5375
Ships in 2 Business Days
$12.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Gap Gauge

ES#4371893 - W80535 - Spark Plug Gap Gauge - Easy to read markings to set gaps quickly and easily. - Performance Tool - Audi BMW Volkswagen MINI Porsche

Easy to read markings to set gaps quickly and easily. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Performance Tool - Corporate Logo
ES#:
4371893
Mfg#:
W80535
Ships in 3 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Ignition Maintenance Parts

A weak ignition system leaves power on the table and can be the cause of misfires, rough idle, unburned fuel, and more. Service your ignition system with spark plugs, coil packs, distributors, ignition wiring harnesses, and everything else all from the best OEM suppliers and aftermarket brands you know and love.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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