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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Electrical Parts

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Secondary Air Pump

ES#26840 - 11727571589 - Secondary Air Pump - Common source of emissons related issues - Genuine BMW - BMW

Common source of emissons related issues

Brand:
Genuine BMW - Corporate Logo
ES#:
26840
Mfg#:
11727571589
Ships in 4 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.

$622.99

This product was last offered at the strikethrough price on
10-11-2026

$584.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Housing / Body

ES#34160 - 13547502444 - Throttle Housing / Body - Electronic throttle sensor and assembly - Genuine BMW - BMW

Electronic throttle sensor and assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
34160
Mfg#:
13547502444
Ships in 4 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.

$603.99

This product was last offered at the strikethrough price on
10-11-2026

$584.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Mass Sensor (MAF)

ES#4941260 - 13627566984 - Air Mass Sensor (MAF) - Restore mileage and performance - Holstein - BMW

Restore mileage and performance

Brand:
Holstein - Corporate Logo
ES#:
4941260
Mfg#:
13627566984
In Stock at Vendor
$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuse Replacement Kit

ES#4389075 - E46FuseKit - Fuse Replacement Kit - Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. - Race German - BMW

Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses.

Brand:
Race German - Corporate Logo
ES#:
4389075
Mfg#:
E46FUSEKIT
Ships in 1 Business Day
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel pump and level sensor kit

ES#4056880 - 16116768788KT - Fuel pump and level sensor kit - Includes both fuel pump, level sensor and new locking rings - Assembled By ECS - BMW

Includes both fuel pump, level sensor and new locking rings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056880
Mfg#:
16116768788KT
Ships in 1-2 days
ON SALE! SAVE 24%
$759.99

This product was last offered at the strikethrough price on
05-21-2026

$575.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#260195 - 17137524812 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - URO - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
260195
Mfg#:
17137524812
In Stock
$10.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4316514 - 12147518628 - Camshaft Position Sensor - Exhaust side, includes a new o-ring seal - Bremmen Parts - BMW

Exhaust side, includes a new o-ring seal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316514
Mfg#:
12147518628
Ships on Dec 16, 2026
ON SALE! SAVE 16%
$31.99

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

$26.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator - 90amp/120amp

ES#2568298 - 12317559183 - Voltage Regulator - 90amp/120amp - For Bosch 90A & 120A alternators only - Bosch - BMW

For Bosch 90A & 120A alternators only We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2568298
Mfg#:
12317559183
In Stock
$37.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Braille Batteries G30

ES#3617620 - G30 - Braille Batteries G30 - Less voltage drop during cranking - Braille - BMW

Less voltage drop during cranking

Brand:
Braille - Corporate Logo
ES#:
3617620
Mfg#:
G30
Ships in 6 Business Days
$522.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Housing / Body

ES#3039836 - 13547502444 - Throttle Housing / Body - Electronic throttle sensor and assembly - VDO - BMW
ECS Tuning recommends this product.

Electronic throttle sensor and assembly We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
3039836
Mfg#:
13547502444
Special Order: No Guaranteed ETA
$520.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (17 X 3 mm)

ES#2828422 - 12141748398 - O-Ring for Camshaft Position Sensor (17 X 3 mm) - Always replace the o-ring when replacing sensor - URO - BMW

Always replace the o-ring when replacing sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828422
Mfg#:
12141748398
In Stock
$1.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2539391 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Bosch - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!
For vehicles that came with a 120A Valeo alternator

Brand:
Bosch - Corporate Logo
ES#:
2539391
Mfg#:
12317501599
Ships in 1 Business Day
$526.99

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

$511.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2873941 - 12617568480 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Febi - BMW
ECS Tuning recommends this product.

Leaking or malfunctioning oil pressure switches can be disastrous We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873941
Mfg#:
12617568480
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Wiring Harness

ES#30883 - 12517513554 - Engine Wiring Harness - Connects the ECU to various engine components - Genuine BMW - BMW

Connects the ECU to various engine components For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
30883
Mfg#:
12517513554
Ships in 1-2 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.

$517.99

This product was last offered at the strikethrough price on
10-11-2026

$504.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Engine Wiring Harness

ES#30926 - 12517528594 - E46 Engine Wiring Harness - Complete engine wiring harness - Genuine BMW - BMW

Complete engine wiring harness

Brand:
Genuine BMW - Corporate Logo
ES#:
30926
Mfg#:
12517528594
Ships in 7 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.

$517.99

This product was last offered at the strikethrough price on
10-11-2026

$504.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
In Stock
ON SALE! SAVE 25%
$7.99

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

$5.99 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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