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#1
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BMW Four Cylinder 28xdrive
I really like six cylinder BMW engines, so it is a little sad, even though I enjoyed my 318i way back in the early '90s. I think we will see a lot more BMW four cylinder engines coming up. This appears to be the beginning of the end for the N52/N53, a couple of great engines.
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#2
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I never fell in love with the N52. It's a good motor, technologically advanced, and does everything really well. Low emissions, fuel consumption, and broad torque. But it lacked the crispness (Valvetronic probably) and throaty nature of the M54. Never sounded as thrilling either.
I do like the shift towards turbo 4 cylinders. The Opel Insignia I drove with the 2 litre turbo had serious punch and torque, yet was docile and smooth when driven lightly, with just a hint of whistle if you listen for it. Too bad the Insignia is so heavy- the fuel consumption takes a bit of a hit. |
#3
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I'm a Huge fan of low end TQ, and this new inline 4 with 250TQ from 1200rpms makes me drool.
I loved to be able to accelerate from 35mph in 5th gear and pass cars on the highway in 6th in my maxima with VQ35 I dont think it will be as refined as N52 or sound as good but more TQ and extra power from tuning will make this a great engine.
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#4
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The move from bigger atmo engines to smaller turbo engines is inevitable due to the demand for clean trailpipe and low fuel use. I too will lament the passing of the atmo petrol six if it comes to pass as good as the turbo fours may be. Interesting that BMW in the meantime has 'detuned' the three litre six for the X1 and X3 for the same economy and emission reasons. Here in Oz we get an X1 badged as a 25i even though it has a three-litre six. It loses about 40kW off the top end but has far stronger mid-range power with max torque already on tap at an almost diesel-like 2500rpm. It's actually a really nice drive with so much useable low-rpm power but still with the ability to keep revving at the way to 7000rpm.
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#6
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An inline six sounds and feels completely different to an inline four, smoother too. There's more at stake here than performance and economy.
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#7
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I know what you mean about the difference between the 4 and 6 cylinder engines, though. I have put over 300,000 miles on BMW straight six engines. I love the silky smoothness and balance, but BMW needs to give the North American versions more power. Detuned versions such as the base 1 and 3 series just don't cut it, imo. They just don't have enough oomph. At the end of the day, if using 4 cylinders allows BMW to reduce emmissions and maintain/improve overall performance while also reducing vehicle weight (and shift some of it off the front axle), it will be a good thing, imo.
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Profeshenal spellar Last edited by FSETH; 01-19-2011 at 08:40 PM. |
#8
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Yes, the tuned sixes are down on top-end zip but are still very pleasant to drive and, depending on the road, very handy too. I'm driving a (3-litre) X1 25i (loaner) right and I love the way it's so tractable out of slow corners but still has heaps of rpm to play with. Plus its economy is almost diesel-like. |
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Profeshenal spellar |
#10
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