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BMW E34 525i M50 2.5L Engine Intake Parts

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ES#3469706 - sn0-8cv  - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
ES#4871200 - 13631721456 - Throttle Position Switch - Found on the throttle housing - URO - BMW

Found on the throttle housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4871200
Mfg#:
13631721456
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4685488 - SN0-N0700 - Snow Performance Water Methanol Injection Nozzle - 7GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4685488
Mfg#:
SN0-N0700
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Braided SS Line/Brackets/Solenoid/4AN Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4680249
Mfg#:
SN0-40016-BRD
Ships in 2 Business Days
$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#19559 - 11151703710 - Valve Cover Breather Connector - Located in the valve cover, see learn more for breather hoses needed - Genuine BMW - BMW

Located in the valve cover, see learn more for breather hoses needed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19559
Mfg#:
11151703710
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3022272 - HEA-GWRAP-20x20 - Gold Heat Reflective Sheet - 20" x 20" - Control heat and dress up your engine bay - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Control heat and dress up your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022272
Mfg#:
HEA-GWRAP-20X20
In Stock at Vendor
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3617743 - BMS-WMI - Universal Water/Methanol Injection (WMI) Kit Builder - Grab everything you need to start your WMI build! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Grab everything you need to start your WMI build! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3617743
Mfg#:
BMS-WMI
Ships on Jun 24, 2026
Starting at $226.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#34148 - 13541747519 - Bearing Accelator Bowden Cable - Located on throttle body housing - Genuine BMW - BMW

Located on throttle body housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34148
Mfg#:
13541747519
In Stock
$2.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4070334 - 13621747155 - Mass Air Flow Sensor - Restore performance and efficiency with a new MAF sensor! - Bremi - BMW

Restore performance and efficiency with a new MAF sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1992

Brand:
Bremi - Corporate Logo
ES#:
4070334
Mfg#:
13621747155
In Stock at Vendor
$214.99

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

$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4941253 - 13621747155 - Mass Air Flow Sensor - Restore performance and efficiency with a new MAF sensor! - Holstein - BMW

Restore performance and efficiency with a new MAF sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
4941253
Mfg#:
13621747155
Ships in 2 Business Days
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4772594 - 12521706096 - 3 Pin Connector  - Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772594
Mfg#:
12521706096
In Stock
ON SALE! SAVE 11%
$10.99

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

$9.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#16326 - 07129952137 - Hose Clamp - Attaches the Intake tube and MAF sensor - Genuine BMW - BMW

Attaches the Intake tube and MAF sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16326
Mfg#:
07129952137
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715257 - BMS-WMI-SBLU - Water/Methanol Injection Hose - Upgraded Steel Braided Hardline - 18' - This kit upgrades your WMI plastic lines to stainless steel BMS Elite braided lines. - Burgaflex - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This kit upgrades your WMI plastic lines to stainless steel BMS Elite braided lines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burgaflex - Corporate Logo
ES#:
4715257
Mfg#:
BMS-WMI-SBLU
Ships on Jun 24, 2026
$196.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3617804 - SN0-40900 - Snow Performance Boost Cooler  - Extreme Environment 300 PSI UHO Water Methanol Pump - SnowPerformance - BMW

Extreme Environment 300 PSI UHO Water Methanol Pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3617804
Mfg#:
SN0-40900
Special Order: No Guaranteed ETA
$194.99 USD
Free Shipping
on orders $49 and up
ES#4476207 - SN0-N0350 - Water/Methanol Nozzle - 3.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4476207
Mfg#:
SN0-N0350
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

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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