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      08-09-2008, 05:14 PM   #1
Steved
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35d versus 35i

I was sent a 35i last week to compare with my 35d, and finally try and answer the question of which is the better engine for the X6. It has been a fascinating comparison and we will publish our conclusions next week (in Drivers Republic).

One aspect I had not expected to draw conclusions on was concerning the chassis. My 35d has Active Drive with self-levelling rear suspension whereas the 35i was standard and I was pleased to discover that Active Drive is very much an essential option.

Without Adaptive Drive the X6 35i exhibited noticeable body roll, it felt unsettled over the bumps in the road and most importantly the DPC rear differential was much less evident (or exploitable). Even the steering within my adaptive drive optioned X6 felt more incisive and communicative. The difference between them was chalk-and-cheese with so many advantages and no downsides, apart from the price, but I would not hesitate to choose adaptive drive again after now having the opportunity to compare them side-by-side.

I will leave my comparisions between the engines to be published in the main article and I will re-start a debate to consider whether turbo-petrol or turbo-diesel offers the more sporting drive. It's been an interesting test, but you will be pleased to hear that it's not a black and white decision and each appealed for slightly different reasons.
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      08-09-2008, 07:20 PM   #2
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i know that diesel is better..but i am glad that i have ordered adaptive drive.

Last edited by Deda; 08-10-2008 at 06:41 AM..
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      08-10-2008, 04:54 AM   #3
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Quote:
Originally Posted by Steved View Post
I was sent a 35i last week to compare with my 35d, and finally try and answer the question of which is the better engine for the X6. It has been a fascinating comparison and we will publish our conclusions next week (in Drivers Republic).

One aspect I had not expected to draw conclusions on was concerning the chassis. My 35d has Active Drive with self-levelling rear suspension whereas the 35i was standard and I was pleased to discover that Active Drive is very much an essential option.

Without Adaptive Drive the X6 35i exhibited noticeable body roll, it felt unsettled over the bumps in the road and most importantly the DPC rear differential was much less evident (or exploitable). Even the steering within my adaptive drive optioned X6 felt more incisive and communicative. The difference between them was chalk-and-cheese with so many advantages and no downsides, apart from the price, but I would not hesitate to choose adaptive drive again after now having the opportunity to compare them side-by-side.

I will leave my comparisions between the engines to be published in the main article and I will re-start a debate to consider whether turbo-petrol or turbo-diesel offers the more sporting drive. It's been an interesting test, but you will be pleased to hear that it's not a black and white decision and each appealed for slightly different reasons.
Great Steved!
Looking forward to the review!
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      08-10-2008, 06:23 AM   #4
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hmmm i dont know how much l/100 has the 35i. But i've read an article yesterday and it claimed 10,3/7,0/8,0 fuel consumption ( thats city/highway/mid? ) for 35d. Its almost same that i have in my X5. But 35d goes almost same as 35i and a chiptuned one ( 358hp ) should easily beat the 35i and it would still have the same fuel consumption.

This diesel is very nice
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      08-10-2008, 09:15 AM   #5
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Quote:
Originally Posted by iwant335i View Post
hmmm i dont know how much l/100 has the 35i. But i've read an article yesterday and it claimed 10,3/7,0/8,0 fuel consumption ( thats city/highway/mid? ) for 35d. Its almost same that i have in my X5. But 35d goes almost same as 35i and a chiptuned one ( 358hp ) should easily beat the 35i and it would still have the same fuel consumption.

This diesel is very nice
Keep in mind BMW was conservative when they release the 3.0TT so 335 would not appear to have the same horsepower as the E46 M3.

The 3.0 TT is rated at 300HP, but really is closee to 340HP. A chipped diesel most likely will be closer to 380HP. The V8 TT is probably closer to 440HP.

A dymo test well tell you for sure.
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      08-11-2008, 02:53 AM   #6
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Im not sure about the 380HP for 35d i have read i one forum a guy had 335d and he has 358HP and 710NM but he said he contacted Bmw and they told them the gearbox in the 335d can hold up to 750Nm MAX. I dont know if its the same on the X6.

Yeah the 335i gets +60HP only after chip thats very nice And look what i found about the X6 50i THIS IS ONLY A CHIPTUNE !!

http://www.ziptuning.nl/chiptuning/B...pk.html#header
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      08-11-2008, 09:26 AM   #7
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Quote:
Originally Posted by iwant335i View Post
Im not sure about the 380HP for 35d i have read i one forum a guy had 335d and he has 358HP and 710NM but he said he contacted Bmw and they told them the gearbox in the 335d can hold up to 750Nm MAX. I dont know if its the same on the X6.

Yeah the 335i gets +60HP only after chip thats very nice And look what i found about the X6 50i THIS IS ONLY A CHIPTUNE !!

http://www.ziptuning.nl/chiptuning/B...pk.html#header
What does that convert to in HP and Torque for 50i?
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      08-11-2008, 09:42 AM   #8
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Originally Posted by shenard View Post
What does that convert to in HP and Torque for 50i?
I think it would be equivalent to about 475-480hp and around 530lb-ft of torque give or take a few...

They are also claiming to reduce the fuel consumption at the same time....
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      08-11-2008, 11:30 AM   #9
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Originally Posted by xDrive50i View Post
I think it would be equivalent to about 475-480hp and around 530lb-ft of torque give or take a few...

They are also claiming to reduce the fuel consumption at the same time....
That is about the same level that Steve Dinan told me he was looking to achieve with his initial tune that should be available in a few months or less.
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      08-12-2008, 05:11 PM   #10
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Crazy ! X6... Love It !!!
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