Doing some searching on fuel pump lock ring tools and just like seemingly everything else there are a ton of choices. Genuine BMW tool (#161020) is out due to price, but the BAUM, AST and Schwaben offerings look very similar to the genuine tool. Then there are CTA & BavAuto tools that look similar to one another but different from the genuine tool (complete circular contact with ring vs. open sides).
For those of you using one of these tools, which brand(s) are recommended?
For those of you using one of these tools, which brand(s) are recommended?

Just went through anything that attaches to the strut, loosed then retorqued everything to spec…still getting the same noise. Dialing the struts down to 2 made the ride quieter which helped amplify the bad. The bad being the noise is on the front right side of the car anytime I hit bumps at low speed. Being that I hit a curb a few months ago with front right being first point of impact and I’ve changed everything except the control arm and wheel bearing, going to test those out now. My guess, a bad ball joint on the control arm
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