What are the common issues with the 2007 325i?

2 Answers
Jose
07/24/25 2:22am
Common issues with the 2007 325i are as follows: 1. Power steering fluid reservoir leakage. This issue requires professional assistance at a 4S shop. 2. High fuel consumption, typically around 14 liters per 100 kilometers. To mitigate this, drive gently, avoid sudden acceleration or braking, and maintain an economical speed range of 70KM/H to 90KM/H. Avoid fluctuating speeds, as this not only helps save fuel but also indirectly enhances driving safety. 3. Engine oil burning and carbon buildup in the cylinders, causing the engine to stall on the first ignition attempt in the morning. It requires a second attempt with some throttle input to start. In this case, a combustion chamber cleaning is necessary.
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DelDylan
08/10/25 10:00pm
As a veteran driver who has owned a 2007 325i for nearly a decade, this car has quite a few common issues. The most troublesome is the cooling system problem, especially the water pump's tendency to leak, which can cause engine overheating. I've experienced two breakdowns on the road because of this. Next are electronic faults, such as frequent window regulator failures or sensor warning lights flashing, which are costly and frustrating to repair. The N52 engine series sometimes suffers from valve oil leaks or noisy valves, affecting acceleration smoothness. Additionally, suspension components like front shock absorbers wear out quickly, making the ride bumpy over rough roads. Regular maintenance, including timely coolant changes and oil system inspections, can help mitigate these issues. But when problems arise, it's crucial to seek professional help immediately—safety first.
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