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 They give everything and use very little: 10 years of MINI diesel engines

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PostSubject: They give everything and use very little: 10 years of MINI diesel engines   17th June 2013, 23:49


They give everything and use very little: 10 years of MINI diesel engines.
The perfect combination of pulling power and efficiency - diesel technology as the driving force behind MINIMALISM – current engine portfolio includes three diesel engines with a power range of between 66 kW/90 bhp and 105 kW/143 bhp.

One man, one engine, and no end of anniversaries: it was 120 years ago that Rudolf Diesel started developing the compression-ignition engine that was soon to be named after him. The very first prototype completed its test run in August of that same year. The first diesel engine factory was founded 115 years go. The engine invented by Diesel was used in ships for the first time 110 years ago, and it has been 90 years since the first diesel- powered truck went on the road. The MINI was first fitted with a diesel engine ten years ago. Each of these anniversaries is reason enough to celebrate the qualities of the diesel engine - and to commemorate its inventor, who died exactly 100 years ago.

Maximum efficiency was the driving force that inspired Rudolf Diesel to develop his novel engine. His design was based on heating the air in the combustion chamber by means of compression to such an extent that the fuel around it would ignite and release large amounts of energy. This is why the diesel engine has such a high level of efficiency. The fact that this principle also generates hallmark MINI driving fun was first demonstrated in the summer of 2003, when the MINI One D was presented as the first diesel model of the premium British small car brand. Its 1.4-litre all-aluminium turbodiesel with common rail direct injection had an output of 55 kW/75 bhp. It combined the characteristic MINI go-kart feeling with an average fuel consumption on the EU test cycle of 4.8 litres per 100 kilometres.

But this was just the beginning of the diesel engine's career in the MINI. Two years later the MINI One D was upgraded to 65 kW/88 bhp, and though its performance figures increased, fuel consumption remained constant. 2007 saw the launch of the next stage of development: the Geneva Motor Show was the setting for the world premiere of the MINI Cooper D. In this model, the new 1.6- litre turbodiesel now delivered 80 kW/110 bhp. The car's fuel consumption was reduced yet again in spite of a 25 per cent increase in power output, while 4.4 litres per 100 kilometres once again put MINI ahead of the competition in terms of efficiency.

Thanks to MINIMALISM, however, this was still not the last word. The current MINI models with diesel engines are fitted with further refined injection technology, turbochargers with variable turbine geometry, auto start/stop function, shift point display, brake energy regeneration, on-demand operation of ancillary units, electromechanical steering and cutting-edge exhaust gas purification technology. The result: 120 years after Rudolf Diesel made his pioneering invention, the engine of the MINI Cooper D provides an impressive peak output of 82 kW/112 bhp, a maximum torque of 270 Newton metres at 1,750 rpm , a fuel consumption on the EU test cycle of 3.8 litres per 100 kilometres and CO2 emissions of 99 grams per kilometre.

As MINI diesel technology was consistently refined, the variety of engines which functioned according to this principle increased. There are now three diesel engines available to choose from for the MINI. Their common design features reflect the outstanding development expertise of the BMW Group in the field of engine technology. An aluminium crankcase, turbocharger with variable turbine geometry, common rail direct injection with solenoid-valve injectors and a powerful engine control system geared towards each specific model guarantee a level of efficiency which impressively confirms Rudolf Diesel's vision of an "ideal thermal machine".

The latest generation of the MINI One D is powered by a 1.6-litre engine which delivers 66 kW/90 bhp and a maximum torque of 215 Newton metres that goes on stream at 1,750 rpm. Fuel consumption and CO2 emissions are the same as those of the 82 kW/112 bhp MINI Cooper D. The entry-level diesel engine is also available in the models MINI Clubman and MINI Countryman, transferring its power via a 6-speed manual transmission in each case. For the MINI Cooper D there is also the option of a 6-speed automatic transmission which is combined with a 2.0-litre version of the 4- cylinder engine in each model version. The choice between the two variants applies to the MINI, MINI Clubman, MINI Convertible, MINI Countryman and MINI Paceman.

The latest and most powerful way to experience the kind of pulling power and efficiency so typical of a diesel engine is provided by the MINI Cooper SD. Also operating with a capacity of 2.0 litres, this 4- cylinder power unit generates a peak output of 105 kW/143 bhp and provides a maximum torque of 305 Newton metres between 1,750 and 2,700 rpm. And this engine offers exemplary economy as well as supreme power delivery. The MINI Cooper SD sprints from zero to 100 km/h in just 8.1 seconds, achieving a top speed of 215 km/h. Its average fuel consumption on the EU test cycle is 4.3 litres to 100 kilometres, with CO2 emissions of 114 grams per kilometre.

The most powerful diesel in the MINI engine portfolio is available for all seven models - the MINI, MINI Clubman, MINI Convertible, MINI Coupé, MINI Roadster, MINI Countryman and MINI Paceman. In each model it is combined as standard with a 6-speed manual transmission or else an optional 6-speed automatic transmission. Its power can also be optionally transmitted to all four wheels by means of the all-wheel drive system ALL4 in the MINI Cooper SD Countryman and the MINI Cooper SD Paceman.

As the range of variants has expanded, so the popularity of the diesel engine in MINI models has continuously increased. Despite the fact that the market for this engine type is largely focused within Europe, nearly one in four MINIs supplied to customers in 2012 was fitted with a diesel.










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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   17th June 2013, 23:56

The fuel economy figure they quote is cobblers in the real world.  That said I got 60 on a run from an r56 one D, and it really is a great engine.  I was pleasantly surprised by the courtesy car I had and would definitely recommend it.  In all honesty, I think I preferred it! Shocked
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 09:35

My old R50 Cooper D had a 1.4 engine re-mapped to 80+ BHP from the standard 75 but the engine failed and spent a couple of months at Station View whilst they rebuilt another one from a Toyota Yaris! That said it did return over 44Mpg Combined over 115,000 miles! The new R56 SD i have now is just about returning 42Mpg but at 143 BHP and my heavy right foot don't think thats bad and I love that the Tax Disc says £30 for 12 months!!!
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 10:09

They're great little engines now they have the BMW ones in them Very Happy

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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 10:58

118 wrote:
They're great little engines now they have the BMW ones in them Very Happy

At 2.0 Liters would not call it a little engine! Very Happy
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 18:16

Haha that's very true! Big Grin

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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 21:08

I get 60 mpg out of mine according to the recorded average consumption. Might bring on Saturday for a change.
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   18th June 2013, 22:49

My SD is doing 48-50 mpg according to actual fuel / mileage calculations over 5500 miles, but I get 55-60 on decent runs. You can almost see the fuel gauge go down when you put your foot down though. You have the choice fun or economy!
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   19th June 2013, 00:21

My Cooper D is now averaging 55-60 mpg which is a lot better now with 4000 miles on the clock, originally when new was only 40-45mpg, I also enjoy the road tax which for mine is zilch  £0.00, the only thing you have to watch for is the diesel particulate filter clogging of which is very expensive to replace, this problem is common on all new diesel engines from all manufacturers,  and is more prone especially if just used on short trips only, using a heavy right foot now in a lower gear avoids this problem. and as others have commented these engines really do pull well which would probably surprise a lot of petrol engine owners across all makes.
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   19th June 2013, 00:24

You can get the DPF removed now - there's a few companies that can remap the car to run fine without it.  Of course the downside would be you'd get a dirty exhaust but...  I think even the One D is a very capable car in town and on hills.  Far better than the petrol equivalent now.  The only downside is you're not going to mistake the fact that they're diesel from the outside!
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   19th June 2013, 00:28

Not gonna have a problem with fuel filter clogging up then! As have very heavy right foot! Which is prob why am struggling to get 42mpg but it's only 1.6 miles to work each way so gonna have to start getting the push bike out as cant be doing the car much good all these short trips!
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   19th June 2013, 05:35

I used to average around 55mpg in my old Dooper, and that was on a 16 miles chop & changy commute from Ewell to Paddington. Good, but a far cry from the 70ish combined figure touted.  It did go up after it was remapped though, by about 3-4 mpg.
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   19th June 2013, 12:22

My clubbie d I actually got 62mpg one day doing a geriatuic 55 mph to work one day just to see.
My coupe sd averages 50 mpg and that is not driving like a saint..  Hubbie has just got a mini one d with no tax per year he will be picking up in a week and he loved it on his test drive..I cant say enough how fab the mini diesels are...If you havent had a go please do..they are wicked.
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PostSubject: Re: They give everything and use very little: 10 years of MINI diesel engines   20th June 2013, 17:35

James I thought the new MOT legislation introduced this year had put a stop to removing the DPF along with a range of new stricter rules, ie, DPF removal, HID headlights without self leveling & headlight washers, all warning lights must work correctly, and I believe the list goes on, I think all the new MOT legislation can be found on their web site, so not wanting a MOT failure when mine is due in two years time, I'll stick to a heavy right boot now and then.Very Happy
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