Guess I'll change the water pump and all the hoses too.
By the way You gotta get your stuff from Patrick From BMA Imports. He gave me the best of best prices on the following items I decided to changeout. Since I told my wife its gonna cost me a grand to do this, I had to spend some money on something ;o)
Bav auto, Mesa performance, and import part specialists didnt even come close to his prices.
1.) Engine coolant temp sensor.
2.) throttle position sensor.
3.) Bosch fuel injectors and seals and clips.
4.) Fuel pressure regulator.
5.) Idle control valve.
6.) Air flow sensor.
7.) crank sensor.
1991 535i sharked, K&N (drop in)