E90/E92 B3 BiTurbo Spark Plugs

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JohnW
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E90/E92 B3 BiTurbo Spark Plugs

Post by JohnW » Mon Sep 07, 2020 8:56 pm

I haven’t got an owners manual or a copy.

Would anyone please confirm the recommended plugs for my B3 BiTurbo. Are they the same for a standard N54 engined BMW 335i?

I know the preferred make are NGK.

Thanks
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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by hashluck » Mon Sep 07, 2020 9:59 pm

E92 B3 GT3 handbook says

Engine Type K3

Bosch ZGR6STE2

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by JohnW » Mon Sep 07, 2020 11:47 pm

Thanks for the info, that’s great.

The 335i NGK plug I think is BKR6EQUP

Not sure if there are any other preferences for long life?
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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by TonyS » Tue Sep 08, 2020 1:21 am

My Supplementary Owners Handbook states, on page 29, under Engine Type K2, Bosch ZGR6STE2.
It makes no mention of NGK.
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--- but when you are up to your ears in alligators it can be relatively difficult to remember that your original idea was to drain the swamp --- hmmm

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by JohnW » Tue Sep 08, 2020 2:48 am

Fantastic, thanks Bosch ZGR6STE2 it is then.
JohnW
2008 B3 BiTurbo Coupe #161
2008 B3 BiTurbo Coupe #074 (Sold)
2011 D3 BiTurbo Saloon #373 (Sold)
2009 M3 DCT Coupe (Sold)

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by hashluck » Tue Sep 08, 2020 9:14 am

Slight thread drift, does anyone know the difference between engine types K2 and K3?

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by Adwo » Tue Sep 08, 2020 9:40 am

B3, K2 = 360 hp, B3 S K3 = 400 bhp. Other airbox, no auxillary cats, bit more torque. Both based on N54
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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by CaesarBob » Tue Sep 08, 2020 9:44 am

hashluck wrote:
Tue Sep 08, 2020 9:14 am
Slight thread drift, does anyone know the difference between engine types K2 and K3?
https://www.alpina-archive.com/?page_id=9254

https://www.alpina-automobiles.com/en/p ... e90919293/
B3 3.2 TOURING #062

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by hashluck » Tue Sep 08, 2020 3:15 pm

Superb thanks both.

Interesting that my B3 GT3 handbook says K3 rather than K3/1

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Re: E90/E92 B3 BiTurbo Spark Plugs

Post by CaesarBob » Tue Sep 08, 2020 5:10 pm

hashluck wrote:
Tue Sep 08, 2020 3:15 pm
Superb thanks both.

Interesting that my B3 GT3 handbook says K3 rather than K3/1
Fundamentally your engine's internals are the same as a B3S BiTurbo, there were changes to the cooling system/intake and the fancier exhaust was the thing generating the extra 8PS over a standard car. I think the missing "/1" was probably laziness as much as anything. Similarly, the E34 B10 3.5 should technically be the B10 3.5/1 although very few people use that full title.
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