BMW G01 X3 M40i B58 3.0L Performance Engine Parts

Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System

Brand:

ES#:

4906492

Mfg#:

MAD-106-SILVER

Performance connecting rods design for high performance and race applications

Brand:

ES#:

5504869

Mfg#:

CRBMB58-I148.3-6

A stand alone low-pressure fuel system dedicated to your port fueling - flows 800LPH at 3 Bar!

Brand:

ES#:

4858871

Mfg#:

601-0336

Flows 35% more fuel than your factory injectors - supports up to 780whp For models with the earlier B58 Gen1 (B58A) engine only

Brand:

ES#:

5388636

Mfg#:

201-0425

Flows 66% more fuel than your factory injectors - supports up to 880whp For models with the earlier B58 Gen1 (B58A) engine only

Brand:

ES#:

5388637

Mfg#:

201-0426

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

Brand:

ES#:

5388490

Mfg#:

401-4701

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
09-03-2026

$822.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Quick connect union T-fitting for 1/4" Nylon

Brand:

ES#:

2826282

Mfg#:

82040

Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment. 10X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

5481264

Mfg#:

026732TMS03KTKT

$279.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

The highest performance intake manifold currently on the market for the Gen 1 B58 engine! 2X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

4768241

Mfg#:

8300B

The highest performance intake manifold currently on the market for the Gen 1 B58 engine! 2X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

4920883

Mfg#:

8300C

Includes Dinan's Carbon Fiber Cold Air Intake, Turbo Inlet, and Free Flow Axle-Back Exhaust System with Black Tips Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For 2020+ models only with the B58D engine

Brand:

ES#:

5434439

Mfg#:

G0X-X3X4M40CIKT

$2847.99 USD

Add to Cart

Partial Replacement

High-Performance Pistons for the BMW/TOYOTA B58B30

Brand:

ES#:

4842647

Mfg#:

371718

Race-Proven Durability and Performance for BMW/TOYOTA B58 Engines

Brand:

ES#:

4842652

Mfg#:

371720