The ProFlex Commander adaptive flex fuel system allows you to start making more power and running cooler with E85.
- Brand:
- Advanced Fuel Dynamics
- ES#:
- 4044219
- Mfg#:
- PFC-E46M3K
Ships in 2 Business Days
BMW E46 M3 S54 3.2L Performance Engine Parts
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Intercooler
- Mounts
- Oiling System
- Performance Package
- Pistons
- Pulleys
- Software
- Sprint Booster
- Supercharger
- Throttle Controller
- Turbocharger
- Water-Meth
- Clearance
- Brand:
-
- ES#:
- 4675777
- Mfg#:
- 4868276002
Ships on Oct 29, 2026
$448.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
- Brand:
-
- ES#:
- 3129395
- Mfg#:
- VS-VBM6I
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle
- Brand:
-
- ES#:
- 4144932
- Mfg#:
- SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle
- Brand:
-
- ES#:
- 3557781
- Mfg#:
- SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
Lifetime Replacement
Left - Black Chrome Rolled Angle Exhaust Tip - 2.75 Inlet - 3.0 OD
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
- Brand:
-
- ES#:
- 4136134
- Mfg#:
- 026732TMS03-07
In Stock
ON SALE!
SAVE 39%
Lifetime Replacement
$121.99
$75.00 USD
This product was last offered at the strikethrough price on
05-02-2026
Free Shipping
on orders $49 and up
Lifetime Replacement
Version 1.
- Brand:
-
- ES#:
- 4940110
- Mfg#:
- JB4-OBDII-4P7FCA
Ships on Oct 27, 2026
$25.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Removes top speed limiter, raises rev limit to 8,250rpm, improves throttle response, and improves power output - max gains of 22hp and 16tq!
- Brand:
-
- ES#:
- 3604772
- Mfg#:
- N4S54MV
In Stock
A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses
10X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 3458274
- Mfg#:
- 015515TMS01-01KT
Ships on Feb 26, 2027
ON SALE!
SAVE 25%
Lifetime Replacement
$526.99
$395.24 USD
This product was last offered at the strikethrough price on
06-13-2026
Free Shipping
Lifetime Replacement
Serious engine oil cooling for the most demanding engines
- Brand:
-
- ES#:
- 2764962
- Mfg#:
- MM0C10BK
Ships in 3 Business Days
$126.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
- Brand:
-
- ES#:
- 3129394
- Mfg#:
- VS-VBM6E
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle
- Brand:
-
- ES#:
- 4144931
- Mfg#:
- SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up
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!
- Brand:
-
- ES#:
- 4608739
- Mfg#:
- SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Includes ARP Rod Bolts!
- Brand:
-
- ES#:
- 4758968
- Mfg#:
- 5150-HPRBK-S54
Back Ordered
10X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4316045
- Mfg#:
- PPK-S54-A-TKT8
In Stock
ON SALE!
SAVE 13%
Lifetime Replacement
$252.95
$220.14 USD
This product was last offered at the strikethrough price on
05-02-2026
Free Shipping
on orders $49 and up
Lifetime Replacement
Snow Performance Hyper-Sonic water-methanol injection nozzle
- Brand:
-
- ES#:
- 4362075
- Mfg#:
- SN0-N0800
In Stock at Vendor
$31.99 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.