Hi all

I want to remap my bkd engine. Is there anything i should change or check before i do so?

I have been told about some filter in the supply oil pipe going to the turbo should be changed and maybe the oil pump? Does any one agree?

I have a 2.0 tdi PD BKD and had it remapped at 38,000 miles 3 years ago.The original turbo was a little noisy i.e. Police siren whistle before doing so and didn't last long after. I had a reconditioned turbo, new oil feed pipe and oil change as a result, no issues since and it goes like a rocket still returning 47mpg plus easy.

So the answer to your question is, get the turbo checked before having it remapped otherwise you'll have extra costs as a result!

Cost me £225 with Angel Tuning in South Wales.

Edited 5 November, 201312 yr by billywhiz040480

Good to know! Il get that checked!

Good idea to get the turbo checked - my BKD was remapped in July and everything was fine until just before Xmas (at about 109k miles)!

 

Then I did a stupid thing and floored the throttle from a standing start on a very greasy road, changed up and kept my foot down -> came to a complete halt with lots of black smoke a few hundred yards later and had to get the car recovered to my home (luckily less than a mile away)!

-> new (not recon) turbo (in fact, two of them because the first one started "screaming" badly after about 50 very gently driven miles) and then completely "fu***d hydraulic lifters, and lots of other work, which cost me a bomb (a couple of big ones!)! It also took a long time to get the work done as it was over Xmas, then the guy doing the work got ill, then the first turbo had to be changed, and then the lifters had to be changed because the over-revving had blown some of the lifter seals :-(.

 

Now running nicely (and I hope it will continue to do so)

So guys, I have a 140 BKD 55plate and ive just hit 111k

I am waiting for the funds to get mine re-mapped (by Avon tuning) and the EGR removed from the system as ive already deleted it and the cooler physically from the engine.

My turbo has always whined like a siren, when i cleaned the turbo as the vanes were sticking i wiggled the shaft and nothing no movement at all spun really smoothley.

Is the siren noise a sign of impending doom? ive done 55k since april 2012 in this car and it hasnt changed at all.

onlything i wonder is there is no heat shield on / over/ around the turbo so maybe its just more noticeable because of this? i dont even know if there should be a heat shield on it?

Edited 10 February, 201511 yr by mroberts

So guys, I have a 140 BKD 55plate and ive just hit 111k

I am waiting for the funds to get mine re-mapped (by Avon tuning) and the EGR removed from the system as ive already deleted it and the cooler physically from the engine.

My turbo has always whined like a siren, when i cleaned the turbo as the vanes were sticking i wiggled the shaft and nothing no movement at all spun really smoothley.

Is the siren noise a sign of impending doom? ive done 55k since april 2012 in this car and it hasnt changed at all.

onlything i wonder is there is no heat shield on / over/ around the turbo so maybe its just more noticeable because of this? i dont even know if there should be a heat shield on it?

 

Based on my own experience as outlined above, I don't think I would now consider any sort of substantial remap on an engine where all the bits are at that sort of mileage without having some serious diagnostic/repair/replacement work done first - when I spoke, after the incident, to the guys who did the remap on my mine, the manager said that turbos can go bang at virtually any mileage from 50k upwards - and you can also see from above as to what some of the knock-on effects could be.

 

 

Sounds like i should definitely get it serviced literally just before and make sure all the mechanicals such as cam belt etc etc are all sound before i go for the re-mapping from 140-175.

It has to be done at least to remove the EGR from the computer and would rather add something to it whist its there.

 

But i take your advice deffo a damned good going over first to ensure all is tickidy boo.

 

Ive seen loads of comments around the forum about siren turbo's.

Some seem to suggest that its going to blow others state its normal for the Turbos on BKD's (they are VNT if that makes any difference).

in the 55k ive had mine its never changed always sounded like that.

I mapped it after that. Took down the sump and got all oil pump intake checked. Replaced water pump and timing belt and full service. Going like a clock. One thing i have noticed is when it is idleing it gives a little shudder every so often? It was mentioned it could be tappits? Any thoughts?

Does not sound like the lifters/tappets - when mine went as above, the main sign was just noticeably increased engine top-end noise (just like the "old days" when manually adjusted tappets wore and the gaps got too large!)

 

More likely to be fuel/air/MAF problems maybe?

Edited 11 February, 201511 yr by jeallen01

Sounds like i should definitely get it serviced literally just before and make sure all the mechanicals such as cam belt etc etc are all sound before i go for the re-mapping from 140-175.

It has to be done at least to remove the EGR from the computer and would rather add something to it whist its there.

 

But i take your advice deffo a damned good going over first to ensure all is tickidy boo.

 

Ive seen loads of comments around the forum about siren turbo's.

Some seem to suggest that its going to blow others state its normal for the Turbos on BKD's (they are VNT if that makes any difference).

in the 55k ive had mine its never changed always sounded like that.

My turbo was a bit siren-like at low revs from when I bought it at 73k miles, but the noise never got noticeably worse over the next 35+k miles - until, of course, it completely blew up as described when the wheels spun too much for too long on the damp road, and the engine hit peak revs and stayed there, which is what also did for the hydraulic lifters  , and which is why I think I should have had them changed earlier on (if, of course, I had guessed that what did happen, might happen   )

Edited 11 February, 201511 yr by jeallen01

When you say you should have had them changed earlier, was that in relation to the hydraulic lifters or the Turbo?

 

Im guessing the Lifters ia a mighty expensive bit of time consuming work?

r

When you say you should have had them changed earlier, was that in relation to the hydraulic lifters or the Turbo?

 

Im guessing the Lifters ia a mighty expensive bit of time consuming work?

Actually, it should not be too expensive because (I was told by the guy who got it done) the genuine VAG lifters are not expensive, and, apparently, it does not take too long to change them.

 

I got away with less than £300 for a complete new set fitted, but the dealers might well charge more!

Edited 16 February, 201511 yr by jeallen01

Thats not too bad. i have a family friend Indy who is good value for money and honest so may think about this at some point. im going to get him to service the car very soon, so will get his opinion on the state of things and whether or not he feels its safe to go remapping.

Actually, it should not be too expensive because (I was told by the guy who got it done) the genuine VAG lifters are not expensive, and, apparently, it does not take too long to change them.

 

I got away with less than £300 for a complete new set fitted, but the dealers might well charge more!

Update with a warning!

Since having the turbo and lifters replaced over Xmas I have done maybe 5k miles, but gradually began to notice a slight drop-off in the low-end torque (top end seemed OK but bottom end was rather flat) and the fuel consumption dropping back to where it had been before the remap.

Finally raised the subject with Gabs at Perfect Touch in Hoddesdon which did the remap (but which DID NOT do the work to replace the lifters, I hasten to add!) and he almost immediately suspected that the gaps on the rockers for the (mechanical, not piezo) injectors had not been reset correctly. So I took the car over there last week and, having had to wait for a long time before the BKD engine was cool enough for them to remove the cam cover to check the gaps, they then found 2 of the 4 gaps were too wide (one by quite a bit) and, of course, re-adjusted them (for just an hour's labour charge!)

Result - torque and fuel consumption seems to be back to where they were after the remap!

The guys at Perfect Touch do really know their stuff and I can recommend them!

And the Warning? Don't forget about the injector rocker gaps settings as these hardly ever get mentioned when people complain of problems or wonder why the car doesn't go as well as it should!

Edited 4 August, 201510 yr by jeallen01

Been thinking bout getting mine done but the ecu and dash pod isn't orgineral. Would that affect the the engine or ecu at all?

Been thinking bout getting mine done but the ecu and dash pod isn't orgineral. Would that affect the the engine or ecu at all?

I think you would have to ask the tuning shops that might do the work.

Thanks for the heads up