Please skip to bottom for less detailed versionHey guys. Have a 56 plate mk5 Golf 1.9 TDI (my first car only had it 6 months or so, so much of the following may be very stupid, go easy
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56 plate mk5 golf 1.9 TDI, 128K miles (bought it on 123k). Got it for pretty cheap £2500, inside and out was perfect condition, never got a mechanic to check it or anything, ran fine, did lots of driving in it and it was running just fine. Never got it checked out or serviced since I bought it (probably first major mistake there). Just topped up the oil once and changed air filter few months in to owning.
Anyway, fast forward, I became convinced that I should remap to get a bit more out of the car, and went to a remapper who did it for £175, part of 'Quantum remaps' network but was very backstreet ish, but the guy was friendly and spent about 2 hours on it. He checked it all out and deemed it good to go, no fault codes etc.
Went for their most powerful remap (lol), claimed 37bhp increase for the 1.9 TDI, supposedly Quantum issue standard maps for all common engines and they are tried and tested.
Job done, driving for 5 minutes feeling quite happy, feel the difference...Put my foot down for just a bit once on some clear road and hear a loud noise, look in my rear window and there is smoke EVERYWHERE, the whole street filled up with this smoke, looked white could have been bluish, dont remember tbh. Pulled over in side road asap. It turned on fine but was immediately smoking the street to hell, some kid walking past said 'look daddy barbeque :D', it was bad.Checked and engine oil had magically finished, I am sure it was fine as the top up was not too long ago at all, no warning light whatsoever. Guy said turbo probably blew and he's seen it before. Battery was on its way out too so car conveniently stopped starting, got it towed home, got new battery etc, refilled the oil though I doubt it made any difference at that point.
So with the new battery, started the car up, ran fine for about 10-15 seconds, sounding same as usually, hear some loud knocking sounds, so turn it off. Tried turning it on again a few days later , fine for 10 secs or so then it just stopped, felt like stall, would not turn over anymore. RAC guy came and checked it out, also just said its not turning over so somethings stopping it. Getting it to garage today, obviously something has gone wrong...but from the symptoms anyone have any ideas? RAC man said perhaps the cambelt slipped, the guy I bought it from said it was changed but upon further inspection not seeing any mention in the service history. It's just had normal services, no change of clutch turbo cambelt in the 128k miles been driven.
Too long didn't read:Mk5 Golf 1.9 TDI 56 plate (2006) BXE engine code, 128k miles driven. All stock clutch, turbo, cambelt (probably), no change of major parts ever.
Went and got remap from backstreet place (but supposedly with very well tested Quantum mapping)
Few mins after driving lot of white smoke, loss of power/acceleration. Oil was finished but never had warning light and top up was recent, all the white smoke was probably the oil somehow...towed home, refilled oil. Thought it might be turbo.
Car started and sounds fine for 10-15 seconds, then knocking. On a second start, fine for 10-15 seconds then felt like it stalled, engine wont turn over anymore! So not turbo probably...whole engine fried? But why?
RAC guy checked and just said engine wont start, maybe cambelt slipped, but not turbo problem.
Reading online BXE engine is known to have problems, but I doubt what I did helped it any
The only problem I had with the car before this was sometimes after driving for a few hours (I had a delivery job), there would be a loss of power randomly, no turbo firing, but turning the car off and on again fixed it . Other than that no problems.
Could the Quantum map be dodgy? I'm also scared that if I do need a full engine replace and get that done, if its a really bad mapping or something could it also fry the engine instantly? I have not mentioned about the remap happening right before the problems as my dad would kill me...I paid for half of the car and I'm paying for all repairs, but he would call me a right knob, rightfully so maybe, but I don't want him pissed!
Anyone heard anything similar before? What are my options...I keep reading that BXE engine sucks so if I need a new engine, should I even bother with a used or rebuilt BXE or what else can I put in there...