Bmw 535d

[RacyBacy]

The successor to the BMW 530d is the 535d. But, this car does not have a 3.5 litre engine as you might have expected! Basically it's a 530D with an extra turbo.

Power has risen from 218bhp to 272bhp and the pulling power is up from 369lb/ft of torque to 413 with 391lb/ft of torque available from as low down the rev range as 1500rpm. Pretty amazing!

Apparently the smaller turbo helps lower down the rev range and the bigger one kicks in as the needle creeps round further. I couldn't help but be impressed by the engineering of it all. 👍

With a 155mph top speed, 0-60 in 6.5 secs and 35.3mpg the car looks to be a winner. Shame about the £37,500 price tag though: It's more expensive than the Audi A6 3.0 V6 TDi Quattro SE, the Jaguar S-Type 2.7D V6 sport and the Mercedes-Benz E320 CDi Avantgarde.

 

[DJM PRODUCTIONS]

Apparently the smaller turbo helps lower down the rev range and the bigger one kicks in as the needle creeps round further. I couldn't help but be impressed by the engineering of it all. 👍

I beleive that is called a sequential turbo system, or somthing like that. It helps reduce turbo lag

 

[RacyBacy]

Yep. Two sequential turbochargers are better for low speed response and ultimate power than one large one. This is because the smaller one can spin much faster than the larger one at low rpm, but when the engine speed rises the exhaust gases spin the turbine blades of the bigger turbo. It's a system of valves that work out how much air goes to each turbo.

As the speed climbs higher a diverter valve opens up and basically eliminates the smaller turbo and the bigger turbo takes over. This cuts out airflow interference and means more power.

The new BMW V10-engined M5 will be coming soon ... but in the real world this 535d is pretty hard to beat.

 

[TsLeng]

Wow! Nice diesel.

 

[Chevelle SS]

I've heard that the new generation of diesels are performing more like their gasoline counterparts with the new turbo system. Finally, we can have a car with diesel fuel economy and gasoline perfomance.

 

[neanderthal]

bmw is going down the toilet with their pricing lately.

 

[pimp racer]

nice!

 

[Freddie]

What? They aren't using variable turbo geometry? Or are they using it in comination with the sequential turbos?

The car has been given plenty of applause by the press, though. It has been given plenty of praise for it's performance.

edit:
Found this: http://autozine.kyul.net/technical_school/engine/tech_engine_3.htm#Variable%20Turbine%20Geometry And I still don't get it, VTG, seems to do the same thing as seq-turbo.

 

[McLaren]

What? They aren't using variable turbo geometry? Or are they using it in comination with the sequential turbos?

The car has been given plenty of applause by the press, though. It has been given plenty of praise for it's performance.

edit:
Found this: http://autozine.kyul.net/technical_school/engine/tech_engine_3.htm#Variable%20Turbine%20Geometry And I still don't get it, VTG, seems to do the same thing as seq-turbo.

VTG? When did they start doing that?

 

[PSZeTa]

Yup, VTG is a mechanism that adjusts the turbine to reduce turbo lag.

I don't know when they started doing that, but from the list.. I can see they are on the latest cars.

 

[Joecool593]

Yep. Two sequential turbochargers are better for low speed response and ultimate power than one large one. This is because the smaller one can spin much faster than the larger one at low rpm, but when the engine speed rises the exhaust gases spin the turbine blades of the bigger turbo. It's a system of valves that work out how much air goes to each turbo.

As the speed climbs higher a diverter valve opens up and basically eliminates the smaller turbo and the bigger turbo takes over. This cuts out airflow interference and means more power.

The new BMW V10-engined M5 will be coming soon ... but in the real world this 535d is pretty hard to beat.

I thought the V10 in the next M5 was merely a rumor....hmm shows what i know...

As for the sequential turbos, it's nothing new really, they've been doing it in some cars since the mid-90's i believe...