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BMW G14 840i B58 3.0L

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BMW G14 840i B58 3.0L Performance Engine Parts

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xA Ultra WiFi Adapter

ES#5435385 - xA-Ultra-Adapter - xA Ultra WiFi Adapter - The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring - xHP - BMW MINI

The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring

Brand:
xHP - Corporate Logo
ES#:
5435385
Mfg#:
XA-ULTRA-ADAPTER
Ships in 9 Business Days
Auto Notify
$109.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

This product was last offered at the strikethrough price on
06-13-2026

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kies WiFi ENET Adapter - F/G Chassis

ES#4430607 - KIES07-WIFI-AD - Kies WiFi ENET Adapter - F/G Chassis - With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! - Kies Motorsports - BMW MINI

With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle!

Brand:
Kies Motorsports - Corporate Logo
ES#:
4430607
Mfg#:
KIES07-WIFI-AD
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Right - Titanium Black Chrome

ES#4146847 - 026732TMS03-11 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Right - Titanium Black Chrome - Right - Titanium Black Chrome Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Titanium Black Chrome Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146847
Mfg#:
026732TMS03-11
In Stock
ON SALE! SAVE 10%
$139.99

This product was last offered at the strikethrough price on
06-13-2026

$125.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Stepped Left - Black Chrome

ES#4415632 - 026732TMS03-13 - Turner Motorsport Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Stepped Left - Black Chrome - Stepped Left - Black Chrome Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Stepped Left - Black Chrome Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4415632
Mfg#:
026732TMS03-13
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 10%
$162.99

This product was last offered at the strikethrough price on
06-13-2026

$146.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Stepped Left - Chrome - Turner Motorsport

ES#4419096 - 026732TMS02-13 - Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Stepped Left - Chrome - Turner Motorsport - Left - Chrome Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Left - Chrome Rolled Angle Exhaust Tip - 3.0 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4419096
Mfg#:
026732TMS02-13
In Stock
ON SALE! SAVE 10%
$173.99

This product was last offered at the strikethrough price on
06-13-2026

$156.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 750cc - 6 Pack

ES#4875844 - 501-0028 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 750cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 750cc @ 3bar (43.5 PSI industry standard) - Bosch - BMW

Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 750cc @ 3bar (43.5 PSI industry standard) 2X Entries For Our 25th Anniversary Sweepstakes!
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
4875844
Mfg#:
501-0028
In Stock
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motiv ReFlex Plug-n-Play Ethanol Sensor Harness

ES#4731941 - 101-0212 - Motiv ReFlex Plug-n-Play Ethanol Sensor Harness - For Vehicles With Motiv ReFlex Unit Currently Installed - Motiv Motorsports - BMW

For Vehicles With Motiv ReFlex Unit Currently Installed For Vehicles With Motiv ReFlex Unit Currently Installed Only

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4731941
Mfg#:
101-0212
In Stock
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

ReFlex+ Main Injector Harness - Inline-6

ES#4810312 - 900.1008 - ReFlex+ Main Injector Harness - Inline-6 - Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines - Motiv Motorsports - BMW

Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810312
Mfg#:
900.1008
In Stock
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B58 Gen2 JB4 Performance Tuner

ES#4905036 - JB4-B58-Gen2 - B58 Gen2 JB4 Performance Tuner - Plug & play power gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Not for sale or use in the state of California.
For models with the later Gen2 B58 (B58TU) engine only

Brand:
Burger Motorsports - Corporate Logo
ES#:
4905036
Mfg#:
JB4-B58-GEN2
Ships on Aug 5, 2026
Auto Notify
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Elite Charge Pipe Upgrade - Gen2 B58 (B58TU / B58C / B58D)

ES#4715334 - B58G2CP - BMS Elite Charge Pipe Upgrade - Gen2 B58 (B58TU / B58C / B58D) - Features a double o-ring seal and water/methanol injection bungs. Available with or without a Turbosmart Raceport BOV! - Burger Motorsports - BMW

Features a double o-ring seal and water/methanol injection bungs. Available with or without a Turbosmart Raceport BOV! For B58TU Gen 2 Equipped vehicles only!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715334
Mfg#:
B58G2CP
Back Ordered
Starting at $299.00 USD
Customize
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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