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Old 20th November 2020, 08:50   #1
Steve Driffield
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Default EGR Bypass kit

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Unread 20th November 2020, 08:44 #24
Steve Driffield
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EGR Bypass Kit fitting
Hello everyone!
My first post, so bear with me.
May I just check, is the EGR valve (and it’s bypass kit) the same on the earlier Cdt, and the (my) later 2005 Cdti?
I’m getting confused messages from eBay at the moment.
If anyone can let me know when convenient.
Thanks Steve D
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Old 20th November 2020, 09:02   #2
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Hi and welcome to the forum.

What's the reason that you want to fit the bypass?

Is it gunged up to the eyeballs?

If it's truly horrible then the inlet manifold itself is likely to be the same. Have a look at Post #6 here.

https://the75andztclub.co.uk/forum/s...d.php?t=136987

AFAIK there's a much simpler and quicker was of "deactivating" it by just plugging the vacuum tube.

If you're looking for a bit more power than go for a 160 remap.

Hope that helps.

Good Luck.
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Old 20th November 2020, 10:28   #3
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Quote:
Originally Posted by AndyN01 View Post
Hi and welcome to the forum.

What's the reason that you want to fit the bypass?

Is it gunged up to the eyeballs?

If it's truly horrible then the inlet manifold itself is likely to be the same. Have a look at Post #6 here.

https://the75andztclub.co.uk/forum/s...d.php?t=136987

Quote:
AFAIK there's a much simpler and quicker was of "deactivating" it by just plugging the vacuum tube.
If you're looking for a bit more power than go for a 160 remap.

Hope that helps.

Good Luck.

Hi Andy.
Just plugging vacuum hose is only really any good to stop further clogging up of the EGR it still remains that the manifold EGR & MAP will be full of gunk.

To get the best out of any re-map always best to have clean manifold, EGR MAP sensor, clean new air filter etc.

In 2012 i used to gut and then block off the EGR pipe.
1

2

3

If a MOT tester looked at it then he would not know that it had be messed with the bypass ones are obvious.

Note all the EGR have a blocked off hose tail.
4

This is then just pushed onto the original hose coming from the EGR solenoid.
5
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Old 20th November 2020, 11:34   #4
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Well, seeing as none of the posters so far have actually answered your basic question. The answer is that there is no practical difference between the cdt and cdti. In fact the only detectable difference is the 'i' in the model name.
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Old 20th November 2020, 18:50   #5
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Quote:
Originally Posted by Avulon View Post
Well, seeing as none of the posters so far have actually answered your basic question. The answer is that there is no practical difference between the cdt and cdti. In fact the only detectable difference is the 'i' in the model name.
The key differences engine-wise are:-
  • the CDT had the power artificially reduced to ~116bhp by BMW to stop them embarasing comparable BMW models, and
  • the CDTi was the first version of the engine with a common rail injection system. It didn't have as much power as the BMW units of the time (136bhp), but it wasn't far off (129bhp = 132PS).
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Old 20th November 2020, 19:02   #6
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Originally Posted by Kearton View Post
The key differences engine-wise are:-
  • the CDT had the power artificially reduced to ~116bhp by BMW to stop them embarasing comparable BMW models, and
  • the CDTi was the first version of the engine with a common rail injection system. It didn't have as much power as the BMW units of the time (136bhp), but it wasn't far off (129bhp = 132PS).

I think you will find all the diesels are common rail including the CDT's.
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Old 20th November 2020, 20:25   #7
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Originally Posted by Avulon View Post
Well, seeing as none of the posters so far have actually answered your basic question. The answer is that there is no practical difference between the cdt and cdti. In fact the only detectable difference is the 'i' in the model name.
Plus 13 bhp.--
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Old 20th November 2020, 20:38   #8
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I think you will find all the diesels are common rail including the CDT's.
Correct answer, the only difference is a ecu tune
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Old 20th November 2020, 20:50   #9
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Quote:
Originally Posted by Kearton View Post
The key differences engine-wise are:-
  • the CDT had the power artificially reduced to ~116bhp by BMW to stop them embarasing comparable BMW models, and
  • the CDTi was the first version of the engine with a common rail injection system. It didn't have as much power as the BMW units of the time (136bhp), but it wasn't far off (129bhp = 132PS).

So you say, but directly to my knowledge there are 135 (129 if you like) versions badged cdt as well as 116 versions. Also all cdt and cdti models have the same injection system.
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Old 20th November 2020, 21:00   #10
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Plus 13 bhp.--

You really take the biscuit for being a complete






I'm not going to tread over old ground - if you want to debate it, sorry you're out of luck already been done.
https://www.the75andztclub.co.uk/for...=188739&page=2
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