Bini R50 rattle (aux belt movement and knackered tensioner)

[Vince70]

I’ve just had a call from my brother that his 2004 Bini One has just started making a rattling noise from standstill.

I couldn’t make it out from the other end of the phone but I asked if it’s been run dry of oil coolant etc but he said not but he is on his way over later and asked me to take a look so any suggestions would be helpful.

[Christine]

DMF ?  Loose exhaust?

[Vince70]

Thanks funny thing It had a new exhaust fitted a couple of weeks ago plus it’s still on his it’s original clutch and flywheel.

[Vince70]

I just had a look and the sound seems to be coming from the auxiliary belt area and the tensioner seems have an awful lot of movement when the engine is running but I’m not sure it’s supposed to be like that as it doesn’t do it on my old E36.

 

[3VOM]

Is it this engine that has a timing chain held in by a my-first-attempt-at-3D-printing piece of plastic?

[Vince70]

I think that’s the later Peugeot/BMW engine this is the earlier car with the tritec engine.

[twosmoke300]

One way clutch seized on the alternator?

[Vince70]

Cheers Twosmoke it was exactly what you said and a new pulley and belt sorted it out.

[twosmoke300]

No problem .