Please give some advice. My 325i N52 engine power steering have weird sound coming out from the dashboard while the car in the low speed, especially in the parking. The sound is like " tick tick tick" when i turn the steering and the sound coming out when the car in a hot condition . I has been check for the power steering fluid which is normal and the fluid is replace on last few month. The car is dint throw any fault code . Any Sifu know what problem is ? Thanks in advance.