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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Performance Engine Parts

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6mm Intake Valve Stem Seal - Polyacrylic - Priced Each

ES#3129395 - VS-VBM6I - 6mm Intake Valve Stem Seal - Polyacrylic - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - Audi BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129395
Mfg#:
VS-VBM6I
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror

ES#4146842 - 026732TMS02-16 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146842
Mfg#:
026732TMS02-16
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 10%
$130.99

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

$117.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 8GPH

ES#4362075 - SN0-N0800 - Water/Methanol Nozzle - 8GPH - 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#:
4362075
Mfg#:
SN0-N0800
Ships in 2 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Mirror

ES#4146841 - 026732TMS02-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Mirror - Right - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146841
Mfg#:
026732TMS02-02
In Stock
ON SALE! SAVE 10%
$123.99

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

$111.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock at Vendor
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Performance Muffler (2x80mm)

ES#3024754 - 787406 - Supersprint Performance Muffler (2x80mm) - Performance muffler with round 2x80mm tips - Supersprint - BMW

Performance muffler with round 2x80mm tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3024754
Mfg#:
787406
Ships on Sep 10, 2026
$849.99 USD
Free Shipping

Stage 3 Boost Cooler (Direct Injection) - Braided Line

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3557781
Mfg#:
SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schrick Solid Lifter Conversion Kit

ES#3098444 - 086311700KT - Schrick Solid Lifter Conversion Kit - Don't let hydraulic lifters limit your revs - Schrick - BMW

Don't let hydraulic lifters limit your revs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
3098444
Mfg#:
086311700KT
Ships on Sep 25, 2026
$833.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Aluminum Solid Transmission Mounts

ES#3438526 - 017730TMS03 - Turner Motorsport Aluminum Solid Transmission Mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE! SAVE 27%
$113.99

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

$82.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

6mm Exhaust Valve Stem Seal - Viton - Priced Each

ES#3129394 - VS-VBM6E - 6mm Exhaust Valve Stem Seal - Viton - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - BMW

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129394
Mfg#:
VS-VBM6E
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - 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#:
3988118
Mfg#:
SN0-8CV-QC
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

BMS DDP5800 Water/Methanol Injection Pump

ES#4714532 - BMSDDP5800 - BMS DDP5800 Water/Methanol Injection Pump - 200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714532
Mfg#:
BMSDDP5800
Ships in 1 Business Day
Starting at $120.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft - Intake

ES#22052 - 11311438079 - Camshaft - Intake - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
22052
Mfg#:
11311438079
Ships in 7 Business Days
7% off MSRP

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

$767.99

This product was last offered at the strikethrough price on
06-08-2026

$717.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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