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BMW Z3 M Coupe S54 3.2L

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BMW Z3 M Coupe S54 3.2L Engine Electrical Parts

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Remanufactured Alternator - 120amp

ES#1897172 - 12317831436 - Remanufactured Alternator - 120amp - Includes $80.00 refundable core charge - Bosch - BMW

Includes $80.00 refundable core charge 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#:
1897172
Mfg#:
12317831436
In Stock
$512.99

This product was last offered at the strikethrough price on
03-30-2026

$322.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2158111 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - FAE - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
2158111
Mfg#:
13621433076
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Ground Cable Upgrade (12421737755)

ES#4939982 - 059235LA01 - Heavy Duty Ground Cable Upgrade (12421737755) - Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. - ECS - BMW

Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4939982
Mfg#:
059235LA01
In Stock
ON SALE! SAVE 40%
$39.99

This product was last offered at the strikethrough price on
01-03-2026

$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

engine wiring harness

ES#31075 - 12517831637 - engine wiring harness - Main engine wiring harness - Genuine BMW - BMW

Main engine wiring harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31075
Mfg#:
12517831637
Ships in 1 day
4% off MSRP

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

$941.99

This product was last offered at the strikethrough price on
06-15-2026

$908.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

GENIUS PRO 12V / 24V 50 Amp Battery Charger - NOCO

ES#4346392 - GENIUSPRO50 - GENIUS PRO 12V / 24V 50 Amp Battery Charger - NOCO - Similar to the G26000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G26000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4346392
Mfg#:
GENIUSPRO50
Ships in 8 Business Days
20% off MSRP

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

$1125.99

This product was last offered at the strikethrough price on
06-15-2026

$899.99 USD
Free Shipping
on orders $49 and up

Boost Plus UltraSafe Lithium 1000 Amp Jump Starter - NOCO

ES#3984701 - GB40 - Boost Plus UltraSafe Lithium 1000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 6.0L engine or less and diesel vehicles up to 3.0L, up to 20 times on a single charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
3984701
Mfg#:
GB40
In Stock
20% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
06-15-2026

$99.99 USD
Free Shipping
on orders $49 and up

3 Pin Connector

ES#4772589 - 12521433915 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772589
Mfg#:
12521433915
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2167999 - 12120022902 - Spark Plugs - Set Of Six - Keep your motor running strong with a set of new spark plugs. - Genuine BMW - BMW

Keep your motor running strong with a set of new spark plugs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2167999
Mfg#:
12120022902
In Stock
$215.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator replacement kit

ES#4057015 - 12317831436KT2 - Alternator replacement kit - Includes everything needed for a complete alternator replacement, including a new alternator with no core charge and a belt service kit. - Assembled By ECS - BMW

Includes everything needed for a complete alternator replacement, including a new alternator with no core charge and a belt service kit. 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#:
4057015
Mfg#:
12317831436KT2
Back Ordered
Auto Notify
ON SALE!
$834.73

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

$806.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4316486 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Bavarian Autosport - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316486
Mfg#:
13621433076
Ships in 1-3 days
ON SALE! SAVE 20%
$14.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor - Priced Each

ES#5434636 - 13631402143 - Throttle Position Sensor - Priced Each - Hamburg Tech - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5434636
Mfg#:
13631402143
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Position Sensor - Priced Each

ES#2813879 - 13627796054 - Exhaust Camshaft Position Sensor - Priced Each - Located on rear of the cylinder head, sensing the exhaust cam - Hamburg Tech - BMW

Located on rear of the cylinder head, sensing the exhaust cam affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Sensor for the exhaust camshaft

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813879
Mfg#:
13627796054
In Stock
$69.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGT Sensor

ES#27307 - 11787831624 - EGT Sensor - Exhaust gas temperature sensor for the S54 engine - Genuine BMW - BMW

Exhaust gas temperature sensor for the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27307
Mfg#:
11787831624
In Stock
7% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
06-15-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
Ships in 1 day
7% off MSRP

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

$266.99

This product was last offered at the strikethrough price on
06-15-2026

$248.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Set of 8

ES#3086092 - 12131712219T8KT - Ignition Coil - Set of 8 - Bosch - BMW

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#:
3086092
Mfg#:
12131712219T8KT
In Stock
$247.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

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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