Car repair Chicago | Auto repair Chicago | Hi-Tech | Oil changes on Instagram: "After replacing the fuel pump, many BMW owners notice that the engine sounds different. This isn’t always bad — the pump may just be operating at a different pressure or frequency. But if the sound becomes rougher, or there’s a whistle or vibration — it’s worth checking if everything is installed correctly. Sometimes recalibration is enough, sometimes the issue is deeper — in the fuel system. If something “doesn’t so

Car repair Chicago | Auto repair Chicago | Hi-Tech | Oil changes on Instagram: "Have you heard a strange knock, whistle, or grind? 🚗 99% of drivers in these moments hope that “it will go away on its own.” But most of the time — it doesn’t, and only gets worse. Any new sound in your car is the language your vehicle uses to “talk” about malfunctions. We regularly post sounds of car issues so you can roughly understand what’s happening. If you hear something unusual — don’t delay. Early diagnostic