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BMW E46 Performance Engine Parts

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Seamlessly swap LS power into your BMW E36 or E46 chassis. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ICT Billet
ES#:
5470912
Mfg#:
EM-LS-E46
Ships in 3 Business Days
17% off MSRP

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

$431.99

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

$359.99 USD

this piston offers high performance and long-lasting durability for serious drivers. Specs 12.5:1 Compression - 86.50 mm Bore – 1.220 in. CH, -5.00 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4841463
Mfg#:
297174S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

These forged aluminum pistons are lightweight, which reduces reciprocating mass and enhances engine response. Specs: 87.00 mm Bore – 1.271 in. CH, -29.30 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840602
Mfg#:
297115S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

With an optimized dome design and available in different compression ratios including this 11.5:1 design, this piston boosts power and efficiency. Specs: 11.5:1 Compression - 87.50 mm Bore – 1.271 in. CH, -13.80cc affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840609
Mfg#:
397118S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Designed to increase compression and enhance power output, these lightweight and durable pistons are ideal for high-performance applications. Specs: 87.50 mm Bore – 1.271 in. CH, -9.20 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840616
Mfg#:
297120S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Specs: 12.5:1 Compression – 87.00 mm Bore – 1.220 in. CH, -5.50 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4841469
Mfg#:
297175S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-Quality Materials Built to withstand extreme temperatures and pressures for superior engine protection. Specs: – 87.00 mm Bore – 1.220 in. CH, -25.80 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840626
Mfg#:
297171S
In Stock at Vendor
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 1 Business Day
$74.99 USD
Free Shipping
on orders $49 and up

Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446634
Mfg#:
GARROUTT4G4045
Ships in 10 Business Days
$37.99 USD
Free Shipping
ES#3175240 - ten4622rm3KT2 - Turner Motorsport Race Alternator Pulley - Alternator pulley upgrade if you already have Turner Motorsport Power pulleys - Turner Motorsport - BMW

Alternator pulley upgrade if you already have Turner Motorsport Power pulleys affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Turner Power Pulleys only

Brand:
Turner Motorsport - Corporate Logo
ES#:
3175240
Mfg#:
TEN4622RM3KT2
Ships in 3 Business Days
ON SALE!
$249.99

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

$238.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3521793 - uppke46tuBKT - Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System  - Includes Accessory Belt System! - Assembled By ECS - BMW

Includes Accessory Belt System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Bosch alternator only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521793
Mfg#:
UPPKE46TUBKT
Ships in 4 Business Days
ON SALE! SAVE 10%
$634.19

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

$571.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4686062 - UVM.63MM.x1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 5 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
ES#5448022 - 16S-06-2200-6 - Fuel Injectors - Set of 6 - 2200cc - High-performance, vehicle-specific fuel injector set designed for high-horsepower applications. - DeatschWerks - BMW Porsche

High-performance, vehicle-specific fuel injector set designed for high-horsepower applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5448022
Mfg#:
16S-06-2200-6
Ships in 6 Business Days
$1229.00 USD

Replaces your restrictive stock airbox for greater airflow and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4830020
Mfg#:
PK318
Ships on Jun 26, 2026
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick connect union T-fitting for 1/4" Nylon affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your BMW

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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