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BMW E39 525i M54 2.5L Engine Intake Parts

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ES#2574659 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - Kayser - BMW Mercedes Benz

Common source of emission related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
2574659
Mfg#:
1168000378
In Stock at Vendor
$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25660 - 11611747085 - Stop Plug - D=10.5. Found in the throttle body housing - Genuine BMW - BMW

D=10.5. Found in the throttle body housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25660
Mfg#:
11611747085
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715254 - BMS-WMI-IL - Water/Methanol Injection Hose - 20' - Replacement WMI Water Injection Hose - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement WMI Water Injection Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715254
Mfg#:
BMS-WMI-IL
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#34884 - 13711720540 - O-Ring - 79X6MM - Genuine BMW - BMW

79X6MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34884
Mfg#:
13711720540
In Stock
$6.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4376612 - SN0-82040R - Snow Performance Tee Adapter Fitting - 1/4" tee fitting for water/methanol lines - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/4" tee fitting for water/methanol lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4376612
Mfg#:
SN0-82040R
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3520735 - ACC-HOBBS - Hobb's Switch - 15 PSI - Fuel-It! - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
Ships on Jun 22, 2026
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4368638 - SN0-8CV-BRD - High Flow Water-Methanol Check Valve - 4AN Fittings - Added protection for your WMI setup - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Added protection for your WMI setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4368638
Mfg#:
SN0-8CV-BRD
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
ES#4476204 - SN0-N0250 - Water/Methanol Nozzle - 2.5GPH - 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#:
4476204
Mfg#:
SN0-N0250
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4941250 - 13621432356 - Mass Air Flow Sensor (MAF) - Holstein - BMW

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

Brand:
Holstein - Corporate Logo
ES#:
4941250
Mfg#:
13621432356
Back Ordered
$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#264143 - 30-10015 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - BMW

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
264143
Mfg#:
30-10015
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
01-28-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3514983 - 13621739510 - Air Temperature Sensor - Monitors intake air temperature - URO - BMW

Monitors intake air temperature 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#:
3514983
Mfg#:
13621739510
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#263619 - 010417 - Cool-Cover Cold Air Intake Cover Kit - Keep your CAI from heat soaking with this thermal wrap kit, 36" X 14" - DEI - Audi BMW Volkswagen

Keep your CAI from heat soaking with this thermal wrap kit, 36" X 14" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
263619
Mfg#:
010417
Special Order: No Guaranteed ETA
5% off MSRP

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

$90.99

This product was last offered at the strikethrough price on
06-04-2026

$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714568 - BMS.SA.WMI.NOZ - Super Atomizing Water/Methanol Injection Nozzles - With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714568
Mfg#:
BMS.SA.WMI.NOZ
Ships on Jul 6, 2026
Starting at $40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2603036 - 13547504728 - Throttle Body Sealing Gasket - Diameter is 75.5MM - Victor Reinz - BMW

Diameter is 75.5MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2603036
Mfg#:
13547504728
Ships in 1 Business Day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2568514 - 010396 - Reflect-A-Gold Roll - 2" X 15' - Control heat and dress up your engine bay - DEI - 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:
DEI - Corporate Logo
ES#:
2568514
Mfg#:
010396
Special Order: No Guaranteed ETA
$72.99 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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