Cheap BMW X4 EGR Valve

No — EGR valves are only fitted to diesel-engined BMW X4s; petrol variants do not use exhaust gas recirculation in the same way and will not have this component. If your X4 is petrol-powered, you do not need an EGR valve and it is worth double-checking what fault you are actually trying to fix with your mechanic. Diesel buyers should read on.

These are completely different generations built on different platforms and using different engine families, so an EGR valve from an F26 is very unlikely to fit a G02. The F26 ran engines such as the N47 and N57, while the G02 uses the B47 and B57 family, and the EGR system changed significantly between them. Confirm the engine code on your V5C or via your registration with the breaker before ordering any part that spans this generational boundary.

Yes — the engine code is the most important fitment factor here, as the 20d and 30d use different engine families (for example B47 versus B57 in the G02 generation) with different EGR assemblies. Always match the replacement valve to your specific engine code rather than just the displacement or model badge. Give your registration to the breaker so they can confirm the exact unit from their dismantled vehicle.

No — trim level has no bearing on EGR valve fitment whatsoever; xLine, M Sport, and standard trim X4s with the same engine code will use the same valve. The trim differences between these grades are cosmetic and interior-focused, not mechanical. Focus entirely on matching the engine code and fuel type when sourcing from a breaker.

Yes, this can matter — the EGR system was updated alongside emissions standard changes, and a valve from a Euro 5 vehicle may not be a direct swap onto a Euro 6 car even if the engine codes look similar. For the X4, the G02 generation launched in 2018 with Euro 6 engines, whereas late F26 models straddled the Euro 5 and Euro 6 boundary. Always tell the breaker your registration so they can check the emissions standard of their donor vehicle against yours before supplying the part.

It is possible that some shared engine families — for example the B47 used across several BMW models — use the same or very similar EGR components, but fitment is not guaranteed across different models even with the same engine code due to differences in pipework, sensors, and packaging. This is firmly confirm-with-the-breaker territory; give them both your registration and the donor vehicle's registration so they can check compatibility properly before any money changes hands.