European Wholesale Parts

BMW X3 M40i exhaust systems

30 exhaust systems for the G01 BMW X3 M40i (B58 3.0L turbo inline-six) from 8 brands. Cat-back and axle-back systems, mufflers, tips and valve controllers. A cat-back replaces the exhaust from the catalytic converter rearward. An axle-back replaces only the rear section.

Before you order

Fitment is listed by engine and drivetrain. Confirm both on the retailer page.
Tip finish and size are often a separate selection on the retailer page.
Sound-level rules vary by state. A louder system can fail an inspection or roadside check.
Listings are read from the retailer's G01 X3 M40i category. Confirm model year and the pre- or post-update (LCI) bumper on the retailer page before ordering.

Brands on this page: Valvetronic Designs (16), ECS (4), MAD (3), Dinan (2), XForce (2), Milltek Sport (1), Supersprint (1), Turner Motorsport (1).

Mufflers (13)

ECS · Part no. 044081LA01
Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit (opens the retailer site)
Valvetronic Designs · Part no. UVM63MMTSTYLEX1
Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM76MMTSTYLEX1
Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM63MMDUALOUTX1
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM63MMDUALOUTX2
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers (opens the retailer site)
Valvetronic Designs · Part no. UVM76MMDUALOUTX1
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM76MMDUALOUTX2
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
Valvetronic Designs · Part no. UVM.63MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM.63MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers (opens the retailer site)
Valvetronic Designs · Part no. UVM.76MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
Valvetronic Designs · Part no. UVM.76MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
Valvetronic Designs · Part no. UVM.89MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
Valvetronic Designs · Part no. UVM.89MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler (opens the retailer site)

Valve Controller (7)

ECS · Part no. 004788LA01
Remote Vacuum Exhaust Valve Control Kit
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
Check price at ECS Tuning for ECS Remote Vacuum Exhaust Valve Control Kit (opens the retailer site)
MAD · Part no. MAD-144
MAD Exhaust Valve Controller Essential
Manually control muffler valve funtions with the click of a button with this plug and play kit
Retailer fitment note: For vehicles with electronic valves only
Check price at ECS Tuning for MAD MAD Exhaust Valve Controller Essential (opens the retailer site)
Milltek Sport · Part no. SSXBM1234
ACTIVE VALVE CONTROL
Easy change the volume of your exhaust with the push of a button!
Check price at ECS Tuning for Milltek Sport ACTIVE VALVE CONTROL (opens the retailer site)
Valvetronic Designs · Part no. VTD.EVH
Electronic Exhaust Valve Control Kit - 1 Valve Actuator + 1 Valve To Controller Wire
Enables the control of a single electronic exhaust valve
Retailer fitment note: Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
Check price at ECS Tuning for Valvetronic Designs Electronic Exhaust Valve Control Kit - 1 Valve Actuator + 1 Valve To Controller Wire (opens the retailer site)
Valvetronic Designs · Part no. VTD.EVH.2
Electronic Exhaust Valve Control Kit - 2 Valve Actuators + 2 Valve To Controller Wires
Enables the control of two electronic exhaust valves
Retailer fitment note: Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring two electric valve actuators
Check price at ECS Tuning for Valvetronic Designs Electronic Exhaust Valve Control Kit - 2 Valve Actuators + 2 Valve To Controller Wires (opens the retailer site)
XForce · Part no. VK05-ACTUATOR
XForce Varex Toggle Switch
Control your Varex valve with the press of a button
Check price at ECS Tuning for XForce XForce Varex Toggle Switch (opens the retailer site)
XForce · Part no. VKSB01-ECU-MODUL
Xforce Smartbox Varex Muffler ECU Upgrade Module
Manually and automatically adjust the exhaust sound level
Check price at ECS Tuning for XForce Xforce Smartbox Varex Muffler ECU Upgrade Module (opens the retailer site)

Cat Back (6)

Dinan · Part no. D660-0099-BLK
Performance Cat-Back Exhaust System - Black Tips
Upgrade your BMW's exhaust to get the aggresive tone you have been looking for!
Check price at ECS Tuning for Dinan Performance Cat-Back Exhaust System - Black Tips (opens the retailer site)
Dinan · Part no. D660-0099
Performance Cat-Back Exhaust System - Polished Tips
Upgrade your BMW's exhaust to get the aggresive tone you have been looking for!
Check price at ECS Tuning for Dinan Performance Cat-Back Exhaust System - Polished Tips (opens the retailer site)
MAD · Part no. MAD-106-SILVER
G01/G02 M40i Catback Exhaust System - Brushed Stainless Steel Tips
Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System
Check price at ECS Tuning for MAD G01/G02 M40i Catback Exhaust System - Brushed Stainless Steel Tips (opens the retailer site)
MAD · Part no. MAD-106-BLACK
G01/G02 M40i Catback Exhaust System - Matte Black Tips - G01 X3 M40i, G02 X4 M40i B58 3.0L
Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System
Check price at ECS Tuning for MAD G01/G02 M40i Catback Exhaust System - Matte Black Tips - G01 X3 M40i, G02 X4 M40i B58 3.0L (opens the retailer site)
Valvetronic Designs · Part no. G01M40IVSESBRRC
Valved Sport Cat-Back Exhaust System - 1x1 Carbon Fiber Tips
Unleash the Full Potential of Your B58 - 25.5 lbs lighter than factory exhaust
Check price at ECS Tuning for Valvetronic Designs Valved Sport Cat-Back Exhaust System - 1x1 Carbon Fiber Tips (opens the retailer site)
Valvetronic Designs · Part no. G01M40IVSESBRBLK
Valved Sport Cat-Back Exhaust System - Black Tips
Unleash the Full Potential of Your B58 - 25.5 lbs lighter than factory exhaust
Check price at ECS Tuning for Valvetronic Designs Valved Sport Cat-Back Exhaust System - Black Tips (opens the retailer site)

Cutout (2)

ECS · Part no. 020923ECS02
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts (opens the retailer site)
ECS · Part no. 020923ECS01
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout (opens the retailer site)

Axle Back (1)

Supersprint · Part no. 049156
Supersprint Race Muffler Set - Quad 90mm Tips
Give your car that exhaust tone you've always wanted!
Retailer fitment note: For vehicles with factory Rear Diffuser
Check price at ECS Tuning for Supersprint Supersprint Race Muffler Set - Quad 90mm Tips (opens the retailer site)

Mid Pipes (1)

Turner Motorsport · Part no. 045022LA01
G01/G02 M40i Resonator Delete
Enhance both the sound and performance of your B58 while keeping the factory valved muffler intact!
Check price at ECS Tuning for Turner Motorsport G01/G02 M40i Resonator Delete (opens the retailer site)