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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Electrical Parts

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Oil Level Sensor

ES#31859 - 12617508003 - Oil Level Sensor - Includes sealing o-ring - Genuine BMW - BMW

Includes sealing o-ring

Brand:
Genuine BMW - Corporate Logo
ES#:
31859
Mfg#:
12617508003
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.

$349.99

This product was last offered at the strikethrough price on
08-24-2026

$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#31851 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Genuine BMW - BMW

Used to seal sensor to the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31851
Mfg#:
12611744292
In Stock
$9.99

This product was last offered at the strikethrough price on
03-04-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11026 - 13951 - Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11026
Mfg#:
13951
Ships in 4 Business Days
$208.90

This product was last offered at the strikethrough price on
05-19-2026

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#38492 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Genuine BMW - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level

Brand:
Genuine BMW - Corporate Logo
ES#:
38492
Mfg#:
17137553919
In Stock
17% off MSRP

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

$49.59

This product was last offered at the strikethrough price on
08-24-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2603136 - 12131712219KT3 - Ignition Service Kit - Restore your ignition system using high quality Bosch ignition coils and NGK spark plugs - Assembled By ECS - BMW

Restore your ignition system using high quality Bosch ignition coils and NGK spark plugs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2603136
Mfg#:
12131712219KT3
Ships on Sep 15, 2026
Auto Notify
$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12 Ft 6 Gauge Booster Cables

ES#2770108 - 007269SCH01 - 12 Ft 6 Gauge Booster Cables - Don't be left stranded with a dead battery. Keep a set of quality Schwaben Booster cables in you trunk for that unexpected emergency. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Don't be left stranded with a dead battery. Keep a set of quality Schwaben Booster cables in you trunk for that unexpected emergency. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2770108
Mfg#:
007269SCH01
In Stock
ON SALE! SAVE 33%
$44.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 10 Amp Battery Charger - NOCO

ES#4031180 - GENIUS10 - GENIUS 6V / 12V 10 Amp Battery Charger - NOCO - The GENIUS10 is similar to the G7200, just better. It's 17% smaller and delivers 115% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS10 is similar to the G7200, just better. It's 17% smaller and delivers 115% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031180
Mfg#:
GENIUS10
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.

$124.95

This product was last offered at the strikethrough price on
08-24-2026

$99.94 USD
Free Shipping
on orders $49 and up

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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4939982
Mfg#:
059235LA01
In Stock
ON SALE! SAVE 20%
$29.99

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

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

Turner Plug-and-Play IAT Relocation Kit

ES#3194684 - 014579TMS - Turner Plug-and-Play IAT Relocation Kit - Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output - Turner Motorsport - BMW

Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output 10X Entries Into Our F80 M3 Sweepstakes
Alleviate the plague of heat soak on the street or track.

Brand:
Turner Motorsport - Corporate Logo
ES#:
3194684
Mfg#:
014579TMS
In Stock
ON SALE!
Starting at $138.57 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#4852420 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle. Used to diagnose leaks in the evap system. - Bremmen Parts - BMW MINI

Located under the vehicle. Used to diagnose leaks in the evap system. 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date from 09/2001

Brand:
Bremmen Parts - Corporate Logo
ES#:
4852420
Mfg#:
16137193479
Ships on Nov 9, 2026
Auto Notify
ON SALE! SAVE 18%
$65.99

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

$54.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11025 - 15138 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11025
Mfg#:
15138
Ships in 1-2 days
$145.27

This product was last offered at the strikethrough price on
07-31-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#2537728 - 12317831436KT - Remanufactured Alternator - 120amp - Includes a $400.00 refundable core charge - Genuine BMW - BMW

Includes a $400.00 refundable core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2537728
Mfg#:
12317831436KT
Ships in 5 Business Days
$1503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

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

Includes $80.00 refundable core charge 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

$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Bracket/Battery Hold Down

ES#166134 - 61218370984 - Battery Bracket/Battery Hold Down - Keep your battery secure - Genuine BMW - BMW

Keep your battery secure

Brand:
Genuine BMW - Corporate Logo
ES#:
166134
Mfg#:
61218370984
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.

$86.99

This product was last offered at the strikethrough price on
08-24-2026

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#28835 - 12147539171 - Camshaft Position Sensor - Located on rear of the cylinder head, sensing the intake cam - Genuine BMW - BMW

Located on rear of the cylinder head, sensing the intake cam Sensor for the intake camshaft

Brand:
Genuine BMW - Corporate Logo
ES#:
28835
Mfg#:
12147539171
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.

$247.99

This product was last offered at the strikethrough price on
08-24-2026

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor - with hardware

ES#2856013 - 12617508003KT1 - Oil Level Sensor - with hardware - Turn that oil level light off, Includes new hardware - Genuine BMW - BMW

Turn that oil level light off, Includes new hardware

Brand:
Genuine BMW - Corporate Logo
ES#:
2856013
Mfg#:
12617508003KT1
Ships in 3 Business Days
$335.99 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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