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BMW E90 328i N52 3.0L

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BMW E90 328i N52 3.0L Engine Electrical Parts

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Voltage Regulator

ES#2079695 - 12318510090 - Voltage Regulator - Maintain a constant voltage - Genuine BMW - BMW

Maintain a constant voltage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2079695
Mfg#:
12318510090
In Stock
Limited Qty Sale
$198.99

This product was last offered at the strikethrough price on
06-02-2026

$181.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTEK MUS 4.3 POLAR

ES#4492816 - 56-958 - CTEK MUS 4.3 POLAR - The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22F (-30C). - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492816
Mfg#:
56-958
In Stock at Vendor
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - M12x1.5

ES#4493066 - RGCTSAM12 - Race German Coolant Temperature Sender Adapter - M12x1.5 - 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#:
4493066
Mfg#:
RGCTSAM12
Ships in 1 Business Day
$35.99 USD
Free Shipping
on orders $49 and up

Leak Detection Pump - Priced Each

ES#4066598 - 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. - Hamburg Tech - 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
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4066598
Mfg#:
16137193479
Ships in 1 Business Day
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost X UltraSafe Lithium 1750 Amp Jump Starter - NOCO

ES#4389654 - GBX55 - Boost X UltraSafe Lithium 1750 Amp Jump Starter - NOCO - X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 7.5L and diesel engines up to 5.0L. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 7.5L and diesel engines up to 5.0L. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4389654
Mfg#:
GBX55
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.

$219.99

This product was last offered at the strikethrough price on
07-06-2026

$174.99 USD
Free Shipping
on orders $49 and up

Alternator Pulley

ES#3672427 - 12317516105 - Alternator Pulley - Drive pulley - URO - BMW

Drive pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Valeo Alternator only

Brand:
URO - Corporate Logo
ES#:
3672427
Mfg#:
12317516105
Ships in 1 Business Day
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LK-2M 2 Pin Connector Package

ES#4875873 - LK2M - LK-2M 2 Pin Connector Package - Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. - ECS - Audi BMW Volkswagen MINI Porsche

Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4875873
Mfg#:
LK2M
In Stock
ON SALE! SAVE 29%
$6.99

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

$4.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multi Purpose Relay (150 Amp) (Black)

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

Brand:
SMP - Corporate Logo
ES#:
4932210
Mfg#:
61367661503
In Stock at Vendor
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable Harness Duct

ES#31689 - 12527532268 - Cable Harness Duct - Keep your wiring neat - Genuine BMW - BMW

Keep your wiring neat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31689
Mfg#:
12527532268
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.

$29.99

This product was last offered at the strikethrough price on
07-06-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline RemoteKill Switch Pull Cable Kit with T-Handle - Black

Shut down quickly & remotely - required by many racing organizations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
3552508
Mfg#:
EL21BLACK
Ships in 5 Business Days
$75.00 USD
Free Shipping
on orders $49 and up

CTEK Storage Bag

ES#4492955 - 40-468 - CTEK Storage Bag - The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements wherever you take it. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements – wherever you take it. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492955
Mfg#:
40-468
In Stock
Limited Qty Sale
$87.99

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

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#29755 - 12317560483 - Alternator Pulley - Replace your damaged alternator pulley today - Genuine BMW - BMW

Replace your damaged alternator pulley today affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29755
Mfg#:
12317560483
Ships in 5 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.

$145.99

This product was last offered at the strikethrough price on
07-06-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4316488 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Bavarian Autosport - BMW

Having a crank but no starting issue? This sensor is often the culprit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316488
Mfg#:
13627525015
Back Ordered
Auto Notify
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Exhaust Vent Tube

ES#3190283 - 924-254 - Battery Exhaust Vent Tube - Allows the batteries gases to be vented outside of the vehicle rather than into the trunk. - Dorman - BMW

Allows the batteries gases to be vented outside of the vehicle rather than into the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190283
Mfg#:
924-254
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKCAR CJS101 Compact Battery Analyzer

An all-in-one battery starter, DTC code reader, and alternator analyzer. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
THINKCAR - Corporate Logo
ES#:
4745613
Mfg#:
3.03.06.0001
Ships in 1 Business Day
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cable Brown - 25m

ES#3199878 - 61131391671 - Cable Brown - 25m - 0.75mm & 25m(75ft) in length - Genuine MINI - BMW MINI

0.75mm & 25m(75ft) in length affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
3199878
Mfg#:
61131391671
In Stock
$127.25 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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