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D4 + Compomotives + BFG 265/65R18 and Speedometer
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Jetlag
 


Member Since: 10 Mar 2012
Location: Johannesburg
Posts: 145

South Africa 2012 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4
D4 + Compomotives + BFG 265/65R18 and Speedometer

Hi Guys,

I have ordered Compomotives for my Disco, have also ordered BF Goodrich AT 265/65R18 K02s and I am wondering what effect this will have on the speedometer reading?

I have also ordere an IIDtool Bluetooth version so is there a fix if required?
 My HSE Build Thread - Preparing for a 10,000km African Adventure  
Post #18767727th Nov 2017 3:06 pm
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Naks
 


Member Since: 12 Jul 2010
Location: Stellenbosch, Republic of the Western Cape
Posts: 505

South Africa 2011 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

I didn't change anything on mine when I put the Compos on, was too lazy to Whistle
 Discovery 4 Workshop Manual: http://bit.ly/22l8YHh
Defender Puma Workshop Manual: http://1drv.ms/1nNpJeM
Range Rover/Sport Workshop Manual: http://bit.ly/2iH7jgG 
 
Post #18768177th Nov 2017 4:52 pm
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JonM
 


Member Since: 24 May 2012
Location: North Yorkshire
Posts: 912

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

In the unlikely event that your speedo is accurate now, you'll be going 2% faster than the indicated speed when you have the new tyres on.

However, your speedo probably under reads anyway, so it will probably be less inaccurate with the new tyres than it is now.
 D4 HSE MY2012
» Compomotive PD1881s - Fitted
» BFG AT KO2's - Fitted
» RLD Sump Plate - Fitted
» RLD Wheel Protector - Fitted
» Blackvue - Fitted
» Prospeed Rock & Tree Sliders - Fitted
» Prospeed Compressor Guard - Fitted
» IID Tool BT - How much damage can I do?
» Bank Account - Empty Big Cry
 
 
Post #18768597th Nov 2017 5:44 pm
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spikekellyrm
 


Member Since: 23 Jul 2015
Location: Manchester
Posts: 622

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Baltic BlueDiscovery 4

I've stuck a little quick reference guide on the vanity mirror flap, I'll take a photo of it when I next get in the car
 D4.5 Facelift, Lazer ST4, Prospeed underbody and rack, IID BT, Compomotive/BFG KO2, Series MFlaps, RAI, Dog Gd+XBB, Alive Tuned, T-Max/YellowTop, RemoteFBH, GlassesMod, WheelWinchMod, Jack Mod, LED Mods, Seized Crank Mod....  
Post #18769597th Nov 2017 9:20 pm
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