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Old 7th May 2022, 06:22   #1
stuk12
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Rover 75 CDT

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Default 75 CDT Performance

Only had the Connie 3 months, my first 75, so I had no idea what the performance should feel like. A little lazy was my opinion.
Anyway, I have in the week fitted new Viton o rings to intercooler, removed EGR valve and cleaned out a large amount of gunk, replaced PCV filter with fit and forget unit, new air filter while I was in there.
The difference in performance is quite remarkable - I am very happy that I done this work. Still no dragracer but I am a lot more satisfied with throttle response .
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Old 7th May 2022, 07:33   #2
Typhoon190
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MG ZT-T 190 Monogram Typhoon

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Do you know if your is a 115 or a 135 model. There are traders here and around that can upgrade.

I have nearly all of a 115. Once I get it sorted I will be looking to get it upgraded.
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Old 7th May 2022, 20:27   #3
stuk12
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CDT so it's 115. Have been thinking about remap, but right now I'm happy.
Suits my driving style (most of the time
I plan to keep the old girl as close to original as possible.
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Old 7th May 2022, 21:53   #4
Number 6
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Quote:
Originally Posted by stuk12 View Post
CDT so it's 115. Have been thinking about remap, but right now I'm happy.
Suits my driving style (most of the time
I plan to keep the old girl as close to original as possible.
Even if you go for the 160 re-map you dont have to use the extra performance it gives you, But if you need to use it it is there. Makes overtaking a lot easier and less "Shall I, Shant I"moments . And another plus is if you do drive sedately you can get more MPG.

It also makes the car the car it should have been from the beginning Before BMW made them de-tune it so it didnt compete with their 3series
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Old 8th May 2022, 12:17   #5
Jamiewelch
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Quote:
Originally Posted by Number 6 View Post
Even if you go for the 160 re-map you dont have to use the extra performance it gives you, But if you need to use it it is there. Makes overtaking a lot easier and less "Shall I, Shant I"moments . And another plus is if you do drive sedately you can get more MPG.

It also makes the car the car it should have been from the beginning Before BMW made them de-tune it so it didnt compete with their 3series
BMW didn't have it detuned. The M47 they fitted to the E39 and E46 of the era had the same power and torque output. When they released the TU version of the engine they produced more power as there were more changes to the engine than just the fuel system. The "160" map produces around 10bhp more than stock when ran on a calibrated dyno.
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