Xulfiqar, can we use Resister spark plugs like platinum or Iridium in facelifted W202 C180 engine M111.921 . resister plugs good in these engines?
original is BOSCH F8KTCR 3tip not available.
problem is non resister plugs are not available now.
what i use?
Bosch FR8DPP33
AUTOLITE XP3923
DENSO PK20TT
all resister plugs & available easily. which is good?