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[Engine] 1.6 Hdi 'Missfire' under load (and a clonk)
#51
Yes they'll run without the injectors being coded, but it'll be rough. I expect incorrect injectors is the root cause of your issues. I think the Mini One D uses the 90bhp engine but it does make you wonder why someone has swapped them over, presumably there were issues with it to begin with and someone has swapped them to attempt to cure it. It may have had a second hand engine fitted at some point, does the engine number match the car?

Chances are the engine ECU is identical to the PSA one, but the BSI (or whatever name BMW give it) will be a BMW sourced unit.
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#52
(05-12-2018, 08:57 AM)hawaiianblue Wrote:  Yes they'll run without the injectors being coded, but it'll be rough. I expect incorrect injectors is the root cause of your issues. I think the Mini One D uses the 90bhp engine but it does make you wonder why someone has swapped them over, presumably there were issues with it to begin with and someone has swapped them to attempt to cure it. It may have had a second hand engine fitted at some point, does the engine number match the car?

Chances are the engine ECU is identical to the PSA one, but the BSI (or whatever name BMW give it) will be a BMW sourced unit.

Hi - it's the correct/original engine number from the docs/BMW service. BMW used the 110 HP engine with the bigger injectors/fancy turbo in this car. The guy I got it from said he'd 'had the injectors changed' as he had a 'flat spot' - we're now thinking that the flat spot was down to the turbo being on its last legs and he's had a garage swap out the injectors as a cheap attempt to fix things so flogged it when it didn't work any better.

If you poodle around town in the car you'd not really notice that there is a judder problem as it's only truly apparent when really pushing it along.

The ECU is physically identical to the Bosch PAS ones but does carry a different part number - it then runs through a '5WK49513MBR' box which is a generic BMW immobilser/control box so that's their BSI. If I can download an ECU map I can run a comparison against a known Citroen 110 HP one out of interest.

I have the BMW leads due in by the weekend so maybe have some results by Sunday
                                                                                                                                                     
Our car - 2008 1.6 HDi 92 Multispace. 152,000 miles + counting. 17,000 + miles in our care. 48.88 mpg ave in that time
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