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BMW Z3 M Roadster S54 3.2L

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BMW Z3 M Roadster S54 3.2L Engine Electrical Parts

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Rear Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#27143 - 11781405324 - Rear Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine - Genuine BMW - BMW

Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27143
Mfg#:
11781405324
In Stock
Limited Qty Sale
$398.99

This product was last offered at the strikethrough price on
08-06-2026

$361.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#27145 - 11781406622 - Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine - Genuine BMW - BMW

Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27145
Mfg#:
11781406622
Ships in 3 Business Days
6% off MSRP

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

$423.99

This product was last offered at the strikethrough price on
08-06-2026

$398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#27144 - 11781406621 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Genuine BMW - BMW

Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27144
Mfg#:
11781406621
Ships in 3 Business Days
6% off MSRP

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

$423.99

This product was last offered at the strikethrough price on
08-06-2026

$398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2896230 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Vemo - BMW

Monitors coolant / oil temperature

Brand:
Vemo - Corporate Logo
ES#:
2896230
Mfg#:
13621433076
In Stock at Vendor
$22.99

This product was last offered at the strikethrough price on
05-07-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
In Stock
25% off MSRP

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

$39.95

This product was last offered at the strikethrough price on
08-06-2026

$29.94 USD
Free Shipping
on orders $49 and up

Front Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#27214 - 11781743994 - Front Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine - Genuine BMW - BMW

Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27214
Mfg#:
11781743994
In Stock
Limited Qty Sale
$380.99

This product was last offered at the strikethrough price on
08-03-2026

$345.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Plug Housing

ES#31215 - 12521427615 - Plug Housing - 2 POL - Genuine BMW - BMW MINI

2 POL

Brand:
Genuine BMW - Corporate Logo
ES#:
31215
Mfg#:
12521427615
In Stock
$5.99

This product was last offered at the strikethrough price on
06-08-2026

$5.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2794926 - 12137594937KT7 - Ignition Service Kit - Restore your ignition system - Assembled By ECS - BMW

Restore your ignition system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2794926
Mfg#:
12137594937KT7
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772586 - 12521732596 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772586
Mfg#:
12521732596
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

Yellow Relay - Priced Each

ES#169405 - 61361389105 - Yellow Relay - Priced Each - Yellow relay used for multiple applications. - Genuine BMW - BMW

Yellow relay used for multiple applications.

Brand:
Genuine BMW - Corporate Logo
ES#:
169405
Mfg#:
61361389105
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Position Sensor - Priced Each

ES#5341181 - 13627796054 - Exhaust Camshaft Position Sensor - Priced Each - Located on rear of the cylinder head, sensing the exhaust cam - Bremmen Parts - BMW

Located on rear of the cylinder head, sensing the exhaust cam 10X Entries For Our 25th Anniversary Sweepstakes!
Sensor for the exhaust camshaft

Brand:
Bremmen Parts - Corporate Logo
ES#:
5341181
Mfg#:
13627796054
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 20%
$39.99

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

$31.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#179995 - 64538362055 - A/C Pressure Switch - Prevents excess pressure from building within the system - Genuine BMW - BMW

Prevents excess pressure from building within the system

Brand:
Genuine BMW - Corporate Logo
ES#:
179995
Mfg#:
64538362055
Ships in 6 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.

$158.99

This product was last offered at the strikethrough price on
08-06-2026

$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

120 pc Fuse Assortment

ES#4371741 - W5368 - 120 pc Fuse Assortment - A must for any toolbox. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any toolbox.

Brand:
Performance Tool - Corporate Logo
ES#:
4371741
Mfg#:
W5368
Ships in 1-2 days
$13.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO

ES#4336376 - GB150 - Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 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 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4336376
Mfg#:
GB150
Ships in 9 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.

$374.99

This product was last offered at the strikethrough price on
08-06-2026

$299.99 USD
Free Shipping
on orders $49 and up

Boost XL UltraSafe Lithium 1500 Amp Jump Starter - NOCO

ES#4336378 - GB50 - Boost XL UltraSafe Lithium 1500 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 7.0L engine or less and diesel vehicles up to 4.5L, up to 30 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 7.0L engine or less and diesel vehicles up to 4.5L, up to 30 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4336378
Mfg#:
GB50
Ships in 9 Business Days
21% off MSRP

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

$189.99

This product was last offered at the strikethrough price on
08-06-2026

$149.99 USD
Free Shipping
on orders $49 and up
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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