My 1993 240 Estate is a 2.0 litre model for which I am trying to identify the correct specified spark plugs. It currently has NGK B7ES’s which work fine but I’m not clear if these are the original spec,d plugs. Bosch WR 7DC+, 7900 is also coming up as a possible but they have a 1.5 mm longer reach.

Its harder to get info on 2.0 litre models as they seem to be rarer.

Anyone know this pse?

M

 

yeah, the 2.0's (B200F?) weren't sold in the USA at all, so none of our data covers them.


but, afaik, they should take the same plugs as the b230f. AFAIK, the correct NGK is a BPR6ES the R for resistor. on NGK, a higher number is a cooler plug. the US gets cooler plugs than europe does, BPR5ES would be the hotter one, better for extended high RPM driving.

 

Thanks, v helpful. Confirms something a friend in NZ suggested and the bit about hotter long distance driving is useful as that’s what we do a lot of.

My only confusion is that it’s working well with the BR7E’s but maybe the BR and BPR are pretty similar. I’ll check the NGK website and see what they say.

cheers, M

 

on a NGK plug,

B = 14mm x 13/16" with 1.25mm pitch thread
P = projected insulator
R = resistor
# = heatrange (2 hottest, 12 coldest)
E = 19.0mm (3/4") reach
S = standard 2.5mm copper core center electrode

note most other vendors, the heat numbers go the other way, higiher is a 'hotter' plug. also note, that 'hotter' doesn't mean the plug gets hotter, it means it can dissipate more heat from a hot engine.

 

V helpful info, thanks Pierce.

 

I'd stick with NGK coppers--cheap but great for 12-20,000 miles!

 

Thanks Lev. Yeah I’ll go with NGK.

cheers, M