Is this the end of the line for the N/A BMW straight 6?

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Is this the end of the line for the N/A BMW straight 6?

Post by ali » Sun Mar 27, 2016 5:59 pm

Spring is nearly upon us and with that comes a raft of new engines from BMW

In comes the 440i with 322bhp and 332 ft/lbs straight six twin turbo.
The little 4 pot dervs get a make over as well with the basic 320d putting out as much torque as the 440i but with 100 less bhp
The 425d now becomes a 4 pot instead of 6 and even more worryingly is the 420i with a 181bhp and 430i in 248bhp form which are both turbocharged 4 pots

Is this the end of the line for the N/A BMW straight 6?

I thought a front wheel drive 2 series was bad enough now this.
May as well go and buy an Audi :(
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Post by Chas » Tue Mar 29, 2016 10:29 pm

I'm more concerned about Alpinas rolling off the BMW production line. Is this the end of the line for Alpina as a bespoke manufacturer? Are they becoming relegated to the status of tuner?

No Audi required; just stick with the older models and look after them :)

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Post by Charles » Wed Mar 30, 2016 1:59 pm

The normally aspirated straight six went years ago with the advent of sequential turbos.

Nowadays, BMW can achieve the same output from a turbo four pot which provides better economy so, unless they want to target a higher output, then there is no need for a straight six - sadly.
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Post by simon13 » Wed Apr 13, 2016 6:05 pm

its hasn't gone though its just gained a turbo or two in diesel and petrol. As long as they make all their bigger cars the 6 pots and V8's will stay

They've just brought out a twin turbo v12 seven series! obviously nicked from rolls but hey!

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Post by Jervint » Wed Apr 13, 2016 11:31 pm

The end of normally aspirated BMWS in general I think. They finally found the replacement for displacement!

I wonder if we'll ever see engines like the S85 V10 or the AMG 6.2 again. Noise and emissions regs are both getting tighter. Plus the Chinese market has such a big say now...anything over 4 litres gets taxed to buggery.

I also think as far as straight sixes go the S54 is hard to top...

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Post by CV35Ian » Fri Apr 22, 2016 3:29 pm

Be positive:
6 cylinders = 6
4 cylinders plus twin turbos also = 6
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Post by Broch » Fri Apr 22, 2016 10:17 pm

I still hope that the XD3 will come with a tri-turbo engine :wink:
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