If that's the case , you must drive like a pussy. I killed one on each of my F6. The BF only had 2000ks. Once you rev past 6000rpm for long periods and often its all over .
They end up like this. Here is 2 I prepared earlier. I use forged now.
Why dont you buy a cheap multimeter and sort it yourself. Its a simple circuit. A multimeter is a must have tool.
$10 https://www.supercheapauto.com.au/p/best-buy-best-buy-multimeter---digital-12v-automotive/4405.html#q=multimeter&srule=Price+Ascending&segment=1&page=1
In run 55 in the master bedroom. 55 in the spa region. 75 in the family room and 85 in the theatre room. Lounge room has a tiny 65. bedrooms 2 and 3 have tiny 50 inch