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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Engine Intake Parts

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Mass Air Flow Sensor

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! 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

Stage 3 Boost Cooler DI Water Methanol Controller

ES#4001266 - SN0-60300 - Stage 3 Boost Cooler DI Water Methanol Controller - 2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V) - SnowPerformance - Audi BMW Volkswagen MINI Porsche

2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V)

Brand:
SnowPerformance - Corporate Logo
ES#:
4001266
Mfg#:
SN0-60300
Ships in 2 Business Days
$416.99 USD
Free Shipping
on orders $49 and up

Mass Air Flow Sensor

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!

Brand:
Holstein - Corporate Logo
ES#:
4941253
Mfg#:
13621747155
In Stock
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idle Control Valve Hose

ES#2534512 - 13411738185 - Idle Control Valve Hose - Upper fuel injection idle air control valve hose - URO - BMW

Upper fuel injection idle air control valve hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534512
Mfg#:
13411738185
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Boost Cooler

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

Brand:
SnowPerformance - Corporate Logo
ES#:
3617804
Mfg#:
SN0-40900
Ships on Aug 21, 2026
$194.99 USD
Free Shipping
on orders $49 and up

Snow Performance Quick Connect Fitting

ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen MINI

1/8NPT-1/4

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve replacment Kit

ES#3176288 - 34331158113KT - Check Valve replacment Kit - Includes new valve, hoses and hose clamp. - Assembled By ECS - BMW

Includes new valve, hoses and hose clamp. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176288
Mfg#:
34331158113KT
Ships in 3 Business Days
$361.99

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

$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 2 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coupler - Straight 3 5/8" ID (92mm) x 3" L

ES#2718048 - 003402ECS01A-07 - Silicone Coupler - Straight 3 5/8" ID (92mm) x 3" L - A high-quality component for your next project - ECS - BMW MINI

A high-quality component for your next project 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718048
Mfg#:
003402ECS01A-07
In Stock
ON SALE! SAVE 40%
$39.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket - Priced Each

ES#25542 - 11611717259 - Intake Manifold Gasket - Priced Each - Direct replacement from BMW! - Genuine BMW - BMW

Direct replacement from BMW!

Brand:
Genuine BMW - Corporate Logo
ES#:
25542
Mfg#:
11611717259
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 1.5GPH

ES#4476206 - SN0-N0150 - Water/Methanol Nozzle - 1.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4476206
Mfg#:
SN0-N0150
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Stage 1 Boost Cooler/Water Injection Kit

Perfect choice for low to medium boost setups (1-15 PSI)

Brand:
SnowPerformance - Corporate Logo
ES#:
4906297
Mfg#:
SN0-201
In Stock
Limited Qty Sale
$375.00

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

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Switch

ES#4871200 - 13631721456 - Throttle Position Switch - Found on the throttle housing - URO - BMW

Found on the throttle housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4871200
Mfg#:
13631721456
Back Ordered
Auto Notify
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 6GPH

ES#4361434 - SN0-N0600 - Water/Methanol Nozzle - 6GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4361434
Mfg#:
SN0-N0600
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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