This EGO-X valved exhaust system for all BMW 340i/440i G Series models is hand-built using TIG welding and consists of absorption silencers. Whether the vehicle has rear-wheel drive or xDrive, the system gives your BMW a distinctive exhaust note. The pipe diameter is 3.5 inches (89 mm).
Technical details:
- Pipe diameter: 3.5″ (89 mm)
- Pipe material: stainless steel
- Absorption silencers: hand-built
- From OPF onwards
- TIG welded
Scope of delivery:
- Exhaust system from OPF onwards
- Exhaust tips (available separately)
- Fitting instructions
- Fitting hardware
- The original actuators from the existing exhaust system are reused.
Road use: The ECE-approved version with the Bull-X Tronic control unit is approved for road use without being entered in the vehicle documents. Other versions are intended for track use only.
Suitable for: BMW 3 VII (G20/G21/G80/G81), BMW 4 II (G22/G23/G26/G82/G83).
Manufacturer’s vehicle data
- EGO-X Abgasanlage 3,5″ BMW M340i G20/G21, M440i G22 374PS (mit ECE*)
Original product name by HG Motorsport (»z.B.« = e.g.). Please check model, year and engine of your vehicle before ordering; if in doubt, contact us and we will check for you.
Approval
Only the version marked “road legal” has a European ECE / EC approval (Bull-X Tronic controller with ECE or the HJS EC catalytic converter). Versions marked “no ECE, track use only” have no approval and are not permitted for road use. If in doubt about the version, contact us and we will check for you.
Included in the price
Bull-X Tronic with ECE – road legal.

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