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| D3 - Engine Bay Everything under the bonnet |
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#1
10th May 2019, 05:54 PM
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Has anyone had their 4.2tdi D3 remapped?
Has anyone had their 4.2tdi D3 remapped?
I took mine in last Saturday to BTG Performance in Newcastle as they had a groupon for £199 for a remap. I thought great, took it in 12.30 and came back at 2.30pm the guy said shouldn't be too long 10 minutes later he tells me its already been remapped in the past and boost is already to where they would expect a map to be, so I ended up getting a refund even after persisiting they mapped it, they said they would t want me to be disapointed as they thought it would be arpund the same performance. I dont know if they were just trying to get out of it due to having 2 ecus. The performance as it is seems right for what would be stock 0-60 in 5.9s so I'm doubting its been remapped tbh. I've had the D3 3.0tdi pre and post map so can compare them, do you think they may be trying to pull the wool over my eyes? I could get it dyno'd there which I'm considering, any experience would be helpful? Last edited by jonnypym123; 1st May 2020 at 10:09 PM. 
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#2
10th May 2019, 09:10 PM
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If you have VCDS, it tells you when the ECU was last flashed and how many times in total.
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#3
11th May 2019, 06:41 AM
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Cheers fella, I do have VCDS good news, any links on the procedure for checking the last flash?
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#4
11th May 2019, 08:15 AM
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But surely the VCDS flash could also just be telling you that the ecu has had an update flash rather than a remap? I had my leon cdtdi mapped and I was talking to the boy about it whilst he flashed it as he writes the maps himself, he told me that with diesels he barely touches boost if at all, he changes injection angle etc but could be different from this engine i dunno 🤷🏻*♂️
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#5
11th May 2019, 12:00 PM
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Quote:
Of course what Duff says is true and so you need to think has a 10 year old car had a factory update recently (unlikely when out of warranty) . Does it say it was never reflashed in which case it is probably not remapped or possibly the mapper was clever enough to hide the fact. Check both ECUs and paste the text here if you like. Something like... Attachment 21585 Last edited by snapdragon; 23rd April 2020 at 08:18 AM.
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#6
13th May 2019, 07:31 AM
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Cheers man, I'll check it out when I'm back from holiday, It feels how I would expect stock to be, I'll check the last flash and maybe do some logging, BTG really messed me about that day wasted a good 3hrs before they said they could t do it
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#7
13th May 2019, 12:01 PM
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The 4.2 Tdi is twin turbo, and loves a remap.
Post remap it should be chewing at the rear tyres to break loose coming out of junctions. if it doesn't, its possibly not mapped, or not mapped well. The twin ECU takes more effort, and maybe they can't do it, or just didn't want to do it at the reduced group on price. I dont know BTG so these are just my own musings.
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#8
29th September 2019, 04:58 PM
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Finally had the car remapped at the Perfomance Centre in Sunderland on Saturday little bit down on power 298hp/630nm but they managed to get it up to 340hp/866nm. I was a bit disappointed in the peak hp figure but as they explained it doesn't matter with all that torque and the curves they achieved, just takes off now really happy with it.
Attached a graph for anyone interested
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#9
29th September 2019, 11:44 PM
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What did that set you back and what is the mpg like?
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A8L 3.0 TDI sport executive 2014. Audi A2 1.4 petrol 2002 SOLD. Audi A8L 4.2TDI Silver 2006 Seat Ibiza 1.4tdi Eco 2008 Silver (£0 Tax)sold NO VCDS rely on Neeldub
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#10
30th September 2019, 05:24 AM
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Quote:
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Hybrid Mode
