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BMW E90 335xi N54 3.0L

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BMW E90 335xi N54 3.0L Engine Electrical Parts

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BMW 3.5 Bar TMAP Sensor Upgrade Kit (N54/ Early N55)

ES#5492066 - 13628644433KT - BMW 3.5 Bar TMAP Sensor Upgrade Kit (N54/ Early N55) - Push past the factory boost limits without paying the "BMW tax." Ensure accurate boost readings and safe fueling up to 36 PSI with this Bremmen Parts 3.5 Bar sensor and Plug and Play adapter kit. - Assembled By ECS - BMW

Push past the factory boost limits without paying the "BMW tax." Ensure accurate boost readings and safe fueling up to 36 PSI with this Bremmen Parts 3.5 Bar sensor and Plug and Play adapter kit. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5492066
Mfg#:
13628644433KT
Ships in 3 Business Days
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Cable Battery Connection Pole

ES#4920506 - 61129217031 - Positive Cable Battery Connection Pole - Required replacement in post accident repairs - URO - BMW

Required replacement in post accident repairs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4920506
Mfg#:
61129217031
In Stock
$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3672423 - 12137571643A - Ignition Coil - Priced Each - Give your engine a new spark. - Bavarian Autosport - BMW MINI

Give your engine a new spark. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3672423
Mfg#:
12137571643A
In Stock
ON SALE! SAVE 20%
$37.99

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

$30.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight AGM Battery

ES#3617613 - B3121 - Lightweight AGM Battery - Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time! - Braille - BMW

Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time!

Brand:
Braille - Corporate Logo
ES#:
3617613
Mfg#:
B3121
Ships in 7 Business Days
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4164452 - 13628644433 - MAP Sensor - Measures the pressure in the intake and turbocharger system - Genuine BMW - BMW

Measures the pressure in the intake and turbocharger system Upgraded 3.5 Bar MAP sensor to increase boost ceiling!

Brand:
Genuine BMW - Corporate Logo
ES#:
4164452
Mfg#:
13628644433
Ships in 3 Business Days
8% 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
08-19-2026

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Pressure (MAP) Sensor

ES#4869788 - 13629797773 - Boost Pressure (MAP) Sensor - Charge pipe manifold sensor - URO - BMW

Charge pipe manifold sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4869788
Mfg#:
13629797773
In Stock
$63.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - White Green

ES#169431 - 61368373700 - Relay - White Green - Replaces relays of the same color - Genuine BMW - BMW MINI

Replaces relays of the same color

Brand:
Genuine BMW - Corporate Logo
ES#:
169431
Mfg#:
61368373700
In Stock
4% off MSRP

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

$24.65

This product was last offered at the strikethrough price on
05-04-2026

$23.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Battery Lead

ES#163895 - 61129125036 - Positive Battery Lead - Connects to the power distributer - Genuine BMW - BMW

Connects to the power distributer

Brand:
Genuine BMW - Corporate Logo
ES#:
163895
Mfg#:
61129125036
In Stock
3% off MSRP

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

$509.99

This product was last offered at the strikethrough price on
08-19-2026

$493.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Pressure (MAP) Sensor

ES#4215910 - 13629797773 - Boost Pressure (MAP) Sensor - Charge pipe manifold sensor - Genuine BMW - BMW

Charge pipe manifold sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
4215910
Mfg#:
13629797773
Ships in 1-2 days
8% 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
08-19-2026

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring Seal

ES#28515 - 12141748398 - O-Ring Seal - Always replace the o-ring when replacing sensor - Genuine BMW - BMW MINI

Always replace the o-ring when replacing sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
28515
Mfg#:
12141748398
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manifold Absolute Pressure Sensor

ES#514362 - 13627585492 - Manifold Absolute Pressure Sensor - Intake manifold sensor - Genuine BMW - BMW

Intake manifold sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
514362
Mfg#:
13627585492
Ships in 3 Business Days
$162.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Ground Cable Upgrade (12427549396)

ES#5374205 - 059226LA02 - Heavy Duty Ground Cable Upgrade (12427549396) - Restore lasting electrical reliability to your E9X with a high-quality, corrosion-proof ground strap engineered for long-term performance. - ECS - BMW

Restore lasting electrical reliability to your E9X with a high-quality, corrosion-proof ground strap engineered for long-term performance. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5374205
Mfg#:
059226LA02
In Stock
ON SALE! SAVE 25%
$30.99

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

$23.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2683652 - 12618611273 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Genuine BMW - BMW

Leaking or malfunctioning oil pressure switches can be disastrous

Brand:
Genuine BMW - Corporate Logo
ES#:
2683652
Mfg#:
12618611273
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.

$34.59

This product was last offered at the strikethrough price on
08-19-2026

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MSD80 Replacement Mosfets - Pack of 10

ES#4783219 - MSD80FIX - MSD80 Replacement Mosfets - Pack of 10 - Replace Those Failed MSD80 Mosfets With These Updated Mosfets! - Bremmen Parts - BMW

Replace Those Failed MSD80 Mosfets With These Updated Mosfets! 10X Entries For Our 25th Anniversary Sweepstakes!

For Vehicles With MSD80 DME Only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4783219
Mfg#:
MSD80FIX
In Stock
ON SALE! SAVE 11%
$37.99

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

$33.84 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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