Hey there group. I was wondering if anyone has any advice on catalytic converters. I've searched near and far for detailed information on replacement parts and there is absolutely nothing. As far as I can tell I have three choices the BMW replacement part ($1100 ouch), the Miller part ($746 ouch), and the DEC part ($346, I can deal with that). I want to know if anyone has any knowledge of these parts or any experience replacing this unit. I'd hate to dump a ton of money into the car and find out the part I bought was total shit.
If anyone can lend any information it would be of great value to me.
Also if anyone has any tips of replacing this unit I.E. other parts I should buy/replace at the same time, tips, tricks, pitfalls etc. Thanks!
- Broken Z3 owner