Reddit reviews uxcell 2 x DC 12V H4 9003 Ceramic Wire Headlight Harness Sockets for Car Headlight
We found 2 Reddit comments about uxcell 2 x DC 12V H4 9003 Ceramic Wire Headlight Harness Sockets for Car Headlight. Here are the top ones, ranked by their Reddit score.
The M50 likely uses a standard H4 bulb, if so these sockets and pigtails will work.
Standard low temp plastic.
Hightemp.
Ceramic high temp
What year is it?
If first/second gen which I'm near certain it is as 3+ don't have these issues,
look here
The connectors are pretty crap. get ones with ceramic such as this