Q: i think is the throttle or transmission

Coolant leaks can originate from many places other than the radiator. I suggest you have a cooling system pressure test performed on your vehicle. This test uses dedicated equipment to pressurize the system and pinpoint any leaks. I recommend having...

Old or faulty spark plug wires can definitely be a cause for the engine to misfire, however there are numerous other reasons that may also cause this to happen. Generally, misfires are caused by either a spark or fuel issue...

Your fuel pump is located inside your fuel tank. For the fuel pump to be damaged by the impact, the impact would have likely also damaged or penetrated the fuel tank. The impact may have quite possibly damaged other components...

This shaking feeling sounds like the engine and / or transmission mounts (https://www.yourmechanic.com/services/engine-mount-replacement) are worn allowing the engine to shake. The issue with the transmission possibly slipping is when the engine RPM's tend to rise up and the vehicle tends...

Hi there. You may want to have the mechanics read this article on what causes the P0403 OBD-II trouble code (https://www.yourmechanic.com/article/p0403-obd-ii-trouble-code-exhaust-gas-recirculation-circuit-malfunction-by-jay-safford) first. It might help them resolve your issue. To find more info about the other trouble codes, simply type...

Hi there - your symptoms suggest a fuel supply issue (https://www.yourmechanic.com/question/is-my-fuel-pump-working). Check fuses and the relay for the fuel pump first, and listen when going through the start sequence to hear the fuel pump run, for at least a couple...

Hi There, It sounds like you may have a problem with the vent valve solenoid (https://www.yourmechanic.com/services/evaporation-vent-solenoid-replacement) in your evaporative emissions system. Normally the vent valve is open. It closes when the engine computer tests the EVAP system for leaks. If...

As you know, with any car the life expectancy of it depends largely on the maintenance schedule the owner has maintained, the driving conditions it is subjected to, the driving habits of the owner and many other factors. Often times...

Hi there. In short - yes; maintenance costs on BMW's are above average. With 100,000 miles on the vehicle, it's likely that you'll have to budget for possible major repairs in suspension, transmission and oil seals and gaskets that tend...