This EGO-X valved exhaust system for the X3/X4 40i is hand-fabricated using the TIG welding process and made from high-quality stainless steel. The pipe diameter is 2×3″ (76 mm) to 1×3.5″ (89 mm).
With this system, your BMW finally gets the characterful sound it needs to make every drive an event.
Technical details:
- Pipe diameter: 2×3″ > 3.5″ (89 mm)
- Pipe material: stainless steel
- Absorption silencer: hand-fabricated
- From the OPF or from the centre silencer on pre-facelift models without an OPF; the centre silencer replacement pipe is available separately
- TIG welded
- No additional control unit is required. The system uses the standard control system. The actuator from the original exhaust system is reused, allowing you to enjoy the distinctive B58 sound straight away.
Scope of delivery:
- Exhaust system
- Exhaust tips (available as an option)
- Fitting instructions
- Fitting hardware
- The original actuator from your existing exhaust system is reused
When purchasing this exhaust system, you also receive an EGO-X T-shirt and an EGO-X sticker pack.
Road use: This valved exhaust system has ECE approval and is approved for use on public roads.
Suitable for: BMW X3 III (G01), BMW X4 II (G02).
Manufacturer’s vehicle data
- EGO-X Abgasanlage 3,5″ BMW BMW X3 / X4 M440i G3X/G4X 354/360 PS (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.

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