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BMW Performance Engine Parts

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Phenolic Spacer - BMP Manifold 1/2"

ES#4465271 - 501-0081 - Phenolic Spacer - BMP Manifold 1/2" - A must when swapping to metal manifolds! - Precision Raceworks - BMW

A must when swapping to metal manifolds!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4465271
Mfg#:
501-0081
In Stock
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Performance Muffler Set

ES#3184772 - 785237-785207KT - Supersprint Performance Muffler Set - 100% handcrafted in Italy. Stainless steel construction. Legendary sound! - Supersprint - BMW

100% handcrafted in Italy. Stainless steel construction. Legendary sound!

Brand:
Supersprint - Corporate Logo
ES#:
3184772
Mfg#:
785237-785207KT
Ships on Dec 15, 2026
$2243.99 USD
Free Shipping

E Series N55 JB4 - Type B Harness

ES#3508707 - JB4-N55-B - E Series N55 JB4 - Type B Harness - Plug & play power gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508707
Mfg#:
JB4-N55-B
Ships in 1 Business Day
$559.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Camshaft set - 263/257 10.30mm/9.90mm

ES#3672177 - 1303702 - Sport Camshaft set - 263/257 10.30mm/9.90mm - More aggressive cams for higher top end power! - Cat Cams - BMW

More aggressive cams for higher top end power! For vehicles with production date up to 09/1998

Brand:
Cat Cams - Corporate Logo
ES#:
3672177
Mfg#:
1303702
Special Order: No Guaranteed ETA
$2233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance camshaft set - 283/272 11.55mm/11.00mm

ES#3672171 - 1303508 - Performance camshaft set - 283/272 11.55mm/11.00mm - The next step up from sport camshafts, with a more aggressive grind. - Cat Cams - BMW

The next step up from sport camshafts, with a more aggressive grind. Upgraded valve springs required. Please see ES4485275.

Brand:
Cat Cams - Corporate Logo
ES#:
3672171
Mfg#:
1303508
Special Order: No Guaranteed ETA
$2233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Camshaft set 272/258 11.00mm/10.00mm

ES#3672170 - 1303507 - Performance Camshaft set 272/258 11.00mm/10.00mm - The next step up from sport camshafts, with a more aggressive grind. - Cat Cams - BMW

The next step up from sport camshafts, with a more aggressive grind. Upgraded valve springs required. Please see ES4485275.

Brand:
Cat Cams - Corporate Logo
ES#:
3672170
Mfg#:
1303507
Special Order: No Guaranteed ETA
$2233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnaflow Touring Cat-Back Exhaust

ES#2613701 - 16560 - Magnaflow Touring Cat-Back Exhaust - 2.5" stainless steel with dual oval polished stainless tips - Magnaflow - BMW

2.5" stainless steel with dual oval polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
2613701
Mfg#:
16560
In Stock at Vendor
$2232.00 USD
This product is lifetime replacement eligible Lifetime Replacement

WPC Performance Rod Bearing Replacement Kit

ES#4884041 - 11131437237-KT - WPC Performance Rod Bearing Replacement Kit - The S54 engine is prone to rod bearing failure, especially with higher mileage. Prevent a costly spun bearing and crankshaft damage by replacing your rod bearings before it's too late. - Assembled By ECS - BMW

The S54 engine is prone to rod bearing failure, especially with higher mileage. Prevent a costly spun bearing and crankshaft damage by replacing your rod bearings before it's too late. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4884041
Mfg#:
11131437237-KT
Back Ordered
ON SALE!
$767.00

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

$743.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Stand Alone Auxiliary Fuel System - Dual Walbro 535 Pumps

ES#5388641 - 601-0332 - Stand Alone Auxiliary Fuel System - Dual Walbro 535 Pumps - A dedicated fuel supply system for port fuel injection - Includes an additional pump system, fuel lines, harnesses, presssure regulator, fuel filter, and more! - Precision Raceworks - BMW

A dedicated fuel supply system for port fuel injection - Includes an additional pump system, fuel lines, harnesses, presssure regulator, fuel filter, and more!

Brand:
Precision Raceworks - Corporate Logo
ES#:
5388641
Mfg#:
601-0332
Ships in 9 Business Days
$2228.99 USD
Free Shipping
on orders $49 and up

M Performance Valve-Controlled Muffler

M Performance valve-controlled muffler enhances sound, performance, and driving experience.

Brand:
Genuine BMW - Corporate Logo
ES#:
3421187
Mfg#:
18302407185
Ships in 5 Business Days
2% off MSRP

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

$2270.00

This product was last offered at the strikethrough price on
09-13-2026

$2226.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore

ES#4685605 - 647005C-6 - N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio .50mm Oversize

Brand:
MANLEY - Corporate Logo
ES#:
4685605
Mfg#:
647005C-6
In Stock
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
09-13-2026

$1111.99 USD
Free Shipping
on orders $49 and up

N54B30 32cc Platinum Series Dish Piston Set - N54B30

ES#4685588 - 646000C-6 - N54B30 32cc Platinum Series Dish Piston Set - N54B30 - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio Std. Size

Brand:
MANLEY - Corporate Logo
ES#:
4685588
Mfg#:
646000C-6
In Stock at Vendor
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
09-13-2026

$1111.99 USD
Free Shipping

ARP Cylinder Head Stud Kit - Custom Age 625+

ES#5435378 - 201-4703 - ARP Cylinder Head Stud Kit - Custom Age 625+ - Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage. - ARP - BMW

Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.

Brand:
ARP - Corporate Logo
ES#:
5435378
Mfg#:
201-4703
Ships in 7 Business Days
$1099.99 USD
Free Shipping
on orders $49 and up

F87 M2 N55 Cat-Back Exhaust & Carbon Intake System

ES#4751289 - 043742LA0101EBKT - F87 M2 N55 Cat-Back Exhaust & Carbon Intake System - Performance Catback Exhaust for pure unrestricted power and sound. The included Turner Carbon Intake adds +7 WHP / +14 lb-ft of torque! - Enthusiast Bundles - BMW

Performance Catback Exhaust for pure unrestricted power and sound. The included Turner Carbon Intake adds +7 WHP / +14 lb-ft of torque! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751289
Mfg#:
043742LA0101EBKT
Ships in 5 Business Days
ON SALE!
$2426.94

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

$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 DI Injectors

ES#4765912 - H750-1605 - Stage 3 DI Injectors - Supports up to 1000 wheel horsepower! - Nostrum - BMW

Supports up to 1000 wheel horsepower!

Brand:
Nostrum - Corporate Logo
ES#:
4765912
Mfg#:
H750-1605
Back Ordered
$2199.00 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.

Other BMW Performance Engine Parts

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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