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BMW G23 M440i B58 3.0L Performance Parts & Upgrades

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ARP Cylinder Head Stud Kit - Custom Age 625+

ES#4752955 - B58-CA-203-4706 - ARP Cylinder Head Stud Kit - Custom Age 625+ - Upgrade to ARP high tensile strength Custom Age 625+ Head Studs - ARP - BMW

Upgrade to ARP high tensile strength Custom Age 625+ Head Studs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
4752955
Mfg#:
B58-CA-203-4706
Ships on Aug 27, 2026
20% off MSRP

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

$1027.99

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

$822.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dinan PEX Cold Air Intake

ES#4723712 - D760-0069 - Dinan PEX Cold Air Intake - Eliminate intake retrictions with this high flowing cold air intake from Dinan! - Dinan - BMW

Eliminate intake retrictions with this high flowing cold air intake from Dinan! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4723712
Mfg#:
D760-0069
In Stock
ON SALE! SAVE 10%
$479.99

This product was last offered at the strikethrough price on
07-31-2026

$431.96 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

Adjustable Front Sway Bar End Links - 255-315mm

ES#4932372 - 059091LA01 - Adjustable Front Sway Bar End Links - 255-315mm - An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. - ECS - BMW

An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. 10X Entries For Our 25th Anniversary Sweepstakes!
Measure before purchasing! This is for custom/lowered applications only and may not fit with stock springs/dampers. Range of adjustment: 255-315mm.

Brand:
ECS - Corporate Logo
ES#:
4932372
Mfg#:
059091LA01
In Stock
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MAD Performance 4.5" Catted Downpipe - B58

Less restriction, faster turbo spool, improved sound!

Brand:
MAD - Corporate Logo
ES#:
4643086
Mfg#:
MAD-3056
Ships in 5 Business Days
$650.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS 10mm Wheel Spacers & ECS Conical Seat Bolt Kit

ES#3006163 - 002411ecsKT19 - ECS 10mm Wheel Spacers & ECS Conical Seat Bolt Kit - Aluminum wheel spacers & steel wheel bolt kit made specifically for your BMW & MINI 5x112 bolt pattern - ECS - BMW MINI

Aluminum wheel spacers & steel wheel bolt kit made specifically for your BMW & MINI 5x112 bolt pattern 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3006163
Mfg#:
002411ECSKT19
In Stock
ON SALE!
$174.99

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

$166.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS 8mm Wheel Spacer Kit & ECS Conical Seat Bolt Kit

ES#3006170 - 002411ecsKT20 - ECS 8mm Wheel Spacer Kit & ECS Conical Seat Bolt Kit - Aluminum wheel spacers & steel wheel bolt kit made specifically for your BMW & MINI 5x112 bolt pattern - ECS - BMW MINI

Aluminum wheel spacers & steel wheel bolt kit made specifically for your BMW & MINI 5x112 bolt pattern 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3006170
Mfg#:
002411ECSKT20
In Stock
ON SALE! SAVE 10%
$112.99

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

$101.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Black Wheel Spacer & Bolt Kit - 17.5mm

ES#3557287 - 021460tms03KT5 - Turner Motorsport Black Wheel Spacer & Bolt Kit - 17.5mm - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - BMW

Lightweight wheel spacers with a machined tab for easy removal 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3557287
Mfg#:
021460TMS03KT5
Ships on Sep 9, 2026
Auto Notify
ON SALE!
$207.99

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

$197.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Heat Exchanger - G2X B48 B58

ES#4900032 - 050660LA01 - High Performance Aluminum Heat Exchanger - G2X B48 B58 - Direct-fit upgrade over OEM! Reduce IATs & increase reliability with durable all-aluminum construction. - ECS - BMW

Direct-fit upgrade over OEM! Reduce IATs & increase reliability with durable all-aluminum construction. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4900032
Mfg#:
050660LA01
In Stock
ON SALE! SAVE 11%
$611.99

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

$544.84 USD
Free Shipping
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

NEW B58 Gen2 PURE800 Turbo Upgrade - 6-Port

ES#4883641 - GB58PURE800CAST - NEW B58 Gen2 PURE800 Turbo Upgrade - 6-Port - Capable of 700+ WHP with supporting modifications - New, no core charge! - Pure Turbos - BMW

Capable of 700+ WHP with supporting modifications - New, no core charge!

Brand:
Pure Turbos - Corporate Logo
ES#:
4883641
Mfg#:
GB58PURE800CAST
Ships on Sep 21, 2026
Auto Notify
$3107.99

This product was last offered at the strikethrough price on
07-14-2026

$3107.00 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

NEW B58 Gen2 PURE600 Turbo Upgrade - 6-Port - w/ OEM Inlet

ES#5375071 - B58G2P600 - NEW B58 Gen2 PURE600 Turbo Upgrade - 6-Port - w/ OEM Inlet - Capable of 550+ WHP with supporting modifications - New, no core charge! - Pure Turbos - BMW

Capable of 550+ WHP with supporting modifications - New, no core charge!

Brand:
Pure Turbos - Corporate Logo
ES#:
5375071
Mfg#:
B58G2P600
Ships in 4 Business Days
$1136.99

This product was last offered at the strikethrough price on
07-14-2026

$1095.00 USD
Free Shipping
on orders $49 and up

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.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4905036
Mfg#:
JB4-B58-GEN2
Ships on Aug 25, 2026
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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