R53 ECU with JCW remap & vin changed

For Sale

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Oct 8, 2025 | 11:10 PM

#26

BodgerS

1st Gear

Joined: Jan 2025

Posts: 17

Likes: 4

Inbox full

Hey MrBlah, looks like your inbox is full! Thanks!

Oct 9, 2025 | 05:17 AM

#27

MrBlah

Thread Starter

6th Gear - AX Champion

Joined: Mar 2007

Posts: 3,297

Likes: 297

From: Pittsboro NC

fixed

Nov 7, 2025 | 06:40 PM

#28

markertoo

3rd Gear

iTrader: (-1)

Joined: Dec 2006

Posts: 161

Likes: 1

I’m curious about the references to the transmission ratios. I’ve got a PFL car that I’m considering changing the gearbox on, to a FL ratio. Will it not work without the tune?

Thanks, Peter

Nov 7, 2025 | 08:07 PM

#29

MrBlah

Thread Starter

6th Gear - AX Champion

Joined: Mar 2007

Posts: 3,297

Likes: 297

From: Pittsboro NC

the car will run and drive fine, but cruise control will not work without updating the gear ratio tables

Nov 8, 2025 | 09:55 AM

#30

Chucho Shoots

2nd Gear

Joined: Nov 2019

Posts: 55

Likes: 28

From: Bay Area CA

Here's a Weird one,

I have a FL w/ PFL trans, does that affect the cruise control? Been having some issues with it.

Nov 8, 2025 | 11:37 AM

#31

MrBlah

Thread Starter

6th Gear - AX Champion

Joined: Mar 2007

Posts: 3,297

Likes: 297

From: Pittsboro NC

Quote:

Originally Posted by Chucho Shoots

Here's a Weird one,

I have a FL w/ PFL trans, does that affect the cruise control? Been having some issues with it.

Yeah it won't work without tune correction

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