🔥 Bosch 0221504029 Ignition Coil: A Powerful Bosch Ignition Coil for On-Plug Functionality Review

Based on my experience, this ignition part fell short of expectations. While its installation was easy enough, it failed to deliver the consistent spark needed for optimal engine operation. The only positive is that it was affordable. Unfortunately, the cons greatly outweighed this benefit, leading to a frustrating and ultimately ineffective purchase.

These are very good coils and my 99 Z3 starts right up as soon as it starts. Can't speak to durability yet, but at $22 and change it's a steal compared to other retailers. Bosch quality!

This is the second time I've bought this Bosch ignition coil for my BMW Z3 Coupe 3.0 inline 6 engine. I bought one of these ignition coils for the first time in the summer of 2018. I ordered it on Saturday afternoon with Prime 1 day delivery and on Sunday afternoon it was delivered and I was able to install it. Installation was easy and it took me about 20 minutes to replace the broken coil. (Note: I replaced all 6 spark plugs in 2018 so I assumed the other coil must have failed and luckily I…