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BMW E90 335i N55 3.0L

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BMW E90 335i N55 3.0L Engine Electrical Parts

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Mass Air Flow Sensor

ES#1929408 - 13627593624 - Mass Air Flow Sensor - Replace your sensor and avoid poor fuel mileage and hampered performance - Genuine BMW - BMW

Replace your sensor and avoid poor fuel mileage and hampered performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1929408
Mfg#:
13627593624
Ships in 1 day
17% off MSRP

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

$474.99

This product was last offered at the strikethrough price on
06-03-2026

$391.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without "High Speed Synchronisation" (S840A = No)

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
06-03-2026

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

Positive Cable Battery Connection Pole

ES#3698705 - 61129217031 - Positive Cable Battery Connection Pole - Required replacement in post accident repairs - MTC - BMW
ECS Tuning recommends this product.

Required replacement in post accident repairs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
3698705
Mfg#:
61129217031
Ships in 3 Business Days
$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3478331 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Elring - BMW

Used to seal sensor to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3478331
Mfg#:
12611744292
In Stock at Vendor
$11.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#1900152 - 12120037582 - Spark Plug - Priced Each - Bosch spark plug - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
1900152
Mfg#:
12120037582
In Stock
22% off MSRP

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

$30.96

This product was last offered at the strikethrough price on
06-03-2026

$24.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#4766517 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bremmen Parts - BMW

690mm. Rear O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766517
Mfg#:
11787589475
In Stock
ON SALE! SAVE 20%
$127.99

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

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor W/ O-Ring

ES#4932386 - 12617607910 - Oil Level Sensor W/ O-Ring - Common cause of oil level display discrepancies. - URO - BMW

Common cause of oil level display discrepancies. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4932386
Mfg#:
12617607910
In Stock
$192.99 USD
Free Shipping
on orders $49 and up

Heavy Duty Ground Cable Upgrade (12427549393)

ES#4939983 - 059226LA01 - Heavy Duty Ground Cable Upgrade (12427549393) - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4939983
Mfg#:
059226LA01
In Stock
ON SALE! SAVE 48%
$39.99

This product was last offered at the strikethrough price on
02-04-2026

$20.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Sensor

ES#2079711 - 13627582842 - Crankshaft Sensor - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2079711
Mfg#:
13627582842
In Stock
12% off MSRP

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

$131.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Relay - Black

ES#169416 - 61366901469 - Relay - Black - For mutiple locations in the fuse box. - Genuine BMW - BMW MINI

For mutiple locations in the fuse box. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169416
Mfg#:
61366901469
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.

$24.65

This product was last offered at the strikethrough price on
06-03-2026

$23.81 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
163895
Mfg#:
61129125036
Ships in 1 day
5% 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
06-03-2026

$481.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Boost X UltraSafe Lithium 4250 Amp Jump Starter - NOCO

ES#4389659 - GBX155 - Boost X UltraSafe Lithium 4250 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 10.0L and diesel engines up to 8.0L. - 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 10.0L and diesel engines up to 8.0L. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4389659
Mfg#:
GBX155
In Stock
16% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
06-03-2026

$369.99 USD
Free Shipping
on orders $49 and up

ReFlex+ Install Harness - Flying Lead

ES#4810316 - 900.1016 - ReFlex+ Install Harness - Flying Lead - Universal - Flying Lead Installation Harness - Motiv Motorsports - BMW

Universal - Flying Lead Installation Harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810316
Mfg#:
900.1016
In Stock
$95.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Priced Each

ES#2561143 - 13627525014 - Camshaft Position Sensor - Priced Each - Monitors camshaft location - VDO - BMW MINI
ECS Tuning recommends this product.

Monitors camshaft location affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Two required per engine, may be replaced separately as needed.

Brand:
VDO - Corporate Logo
ES#:
2561143
Mfg#:
13627525014
Ships on Jun 30, 2026
Auto Notify
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adapter Wiring for IBS

ES#2228204 - 12517615476 - Adapter Wiring for IBS - Connects to the IBS system for information relay to the DME via the BSD Interface. - Genuine BMW - BMW MINI

Connects to the IBS system for information relay to the DME via the BSD Interface. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2228204
Mfg#:
12517615476
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.

$73.99

This product was last offered at the strikethrough price on
05-06-2026

$68.99 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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