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Home > Modifications & Maintenance (L663) > Tuning/remap d200 to d300
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mausau



Member Since: 15 Apr 2022
Location: Vercelli
Posts: 3

Italy 
Any new update?
Post #975936 29th Dec 2022 6:13am
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irma



Member Since: 06 Jan 2023
Location: Europe
Posts: 7

Anybody done this upgrade ?
Post #977971 14th Jan 2023 10:30am
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Cedric74



Member Since: 24 Aug 2021
Location: LIEGE
Posts: 46

Belgium 
LR retrofit flash with oem soft, but if you need update of you’re soft…it’s gone !
Post #982099 11th Feb 2023 6:53pm
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stevemfr



Member Since: 18 Sep 2022
Location: Strasbpurg
Posts: 92

France 
Sepp wrote:
'Old style' ecu tuning with additional electronics unit wired to the ECU and sensor harness still does work though. It's just very few suppliers left providing those as everybody has been jumping on the train speeding into the brave new digital world.

Tuning through a diesel through add on devices is not true tuning in that you are not optimizing fuel maps for efficient operation, you are simply tricking the motor into 'overfueling' under load. This is done through methods such as increasing fuel pressure at the injectors by reducing the pressure value provided by the sensor so that more fuel is injected during an injection cycle than the motor ECU has called for, or falsifying the signal from the motor temp sensor so that the ecu goes back to cold start mode, etc. These are the cars you see with black back-ends from the soot...

The only way to truly 'tune' a diesel is to alter the maps in the ECU (in theory, you could provide a complete 2nd ECU with alternative maps, but I have never seen this done. And it would be very expensive...) 
RRC 2Dr, RRC 4Dr,
P38, and 2 L322s,
2 FL1s and a L663 on the way
Post #982123 11th Feb 2023 10:41pm
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vastine



Member Since: 30 Mar 2023
Location: Taiwan
Posts: 1

 
Does anyone tried this?
Post #987296 30th Mar 2023 2:26am
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tooth_dr



Member Since: 26 May 2021
Location: Northern Ireland
Posts: 229

Northern Ireland 
Had a look at the bluespark packs there. I’ve had two in the past - both worked ok, but caused limp mode when turned up too high.

I’m confused at the D300 box offering 364bhp. I thought the engines were identical, just detuned. Is this not the case?
Post #987433 31st Mar 2023 9:28am
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hotwheels



Member Since: 30 Jan 2021
Location: South
Posts: 20

United Kingdom 
May have some news soon
Post #1003029 4th Aug 2023 3:53pm
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hotwheels



Member Since: 30 Jan 2021
Location: South
Posts: 20

United Kingdom 
Just had the d300 map enabled by Chris at royles prestige and performance and what a difference it makes!!!! Lovely guy, genuinely knows his stuff, highly recommend!!!
Post #1004705 19th Aug 2023 6:40am
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Moo



Member Since: 01 Oct 2021
Location: Bath
Posts: 973

Ukraine 
So what happens when there is a software update or it goes into LR for servicing. Does the Map get wiped? Eiger Grey MY23 D250 SE with bits. Known as Noddy.
Post #1004725 19th Aug 2023 9:14am
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hotwheels



Member Since: 30 Jan 2021
Location: South
Posts: 20

United Kingdom 
It’s your choice to have a software update and you can ask for it not to be updated however it should not change the map unless the service engineer specifically chooses to alter it which is unlikely I had activations done before and service did not make any difference
Post #1004727 19th Aug 2023 9:57am
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