Bosch super 4 spark plugs

[Corasdad]

Has anybody tried these, are they any good and will they fit frankenstien engine m43 with a n m40 head

[martauto]

Has anybody tried these, are they any good and will they fit frankenstien engine m43 with a n m40 head

I put these in my e46 325 and had to turn back and fit the old ones in. Ran like shit and for £12 each I was well pissed off.
But, They may be fine for yours

Mart.

[Corasdad]

Thanks for info

[martauto]

Thanks for info

If you fit them will you let us know the outcome please ?

Mart.

[Corasdad]

Not sure I am going to stray from standard plug after all

[martauto]

Not sure I am going to stray from standard plug after all

Well if it`s not broken why fix it ??

Mart.