Smell of exhaust fumes inside car

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15-10-15, 09:32
BMWHacker

Smell of exhaust fumes inside car

I've noticed the last few mornings that there is a smell of diesel exhaust fumes inside the car. Its not really bad but is definitely there and appears to be worse when I'm sitting in traffic.
I did a quick search there and the flexi joint on the exhaust can be the culprit sometimes, or maybe its something else? Any ideas?Thanks
15-10-15, 09:52
Dillon

RE: Smell of exhaust fumes inside car

have you checked to make sure its not something as simple as a dirty pollen filter?
15-10-15, 10:00
BMWHacker

RE: Smell of exhaust fumes inside car

Quote:

Originally Posted by Dillon

have you checked to make sure its not something as simple as a dirty pollen filter?

Thanks. No, haven't looked at anything yet. Could a dirty pollen filter cause that?
I'm not too familiar with the diesel engines so don't know where to start looking.
15-10-15, 10:22
Peter-E36

RE: Smell of exhaust fumes inside car

You may have an oil leak, a drop of oil on the exhaust will cause that smell. Meanwhile you can switch on the air con and the smell should go away (as air comes through a different route), or otherwise switch off the fan and shut all the vents with the manual controls.
15-10-15, 11:05
BMWHacker

RE: Smell of exhaust fumes inside car

Quote:

Originally Posted by Peter-E36

You may have an oil leak, a drop of oil on the exhaust will cause that smell. Meanwhile you can switch on the air con and the smell should go away (as air comes through a different route), or otherwise switch off the fan and shut all the vents with the manual controls.

Cheers. Funny you say that about the air con, I usually go around with the air con on all the time and only started turning it off this week, the problem could have been there a while.
15-10-15, 11:59
Peter-E36

RE: Smell of exhaust fumes inside car

Hopefully it's something straight forward, rocker cover gasket or somethin :)
15-10-15, 13:12
hooch

RE: Smell of exhaust fumes inside car

If the car is an E46 its more than likely a broken flexi joint in the exhaust.
15-10-15, 13:48
BMWHacker

RE: Smell of exhaust fumes inside car

Quote:

Originally Posted by hooch

If the car is an E46 its more than likely a broken flexi joint in the exhaust.

Thanks. It's an e91 320D, I've read they go on the e9x also.
Ah I'll bring it in somewhere and get it checked out rather than googling and speculating :smiling:
15-10-15, 15:30
Dillon

RE: Smell of exhaust fumes inside car

I was getting an exhausty smell in the cabin - replaced manky pollen filter and problem solved
15-10-15, 16:53
Ketron

RE: Smell of exhaust fumes inside car

Happend twice in the GF mini, both times turned out to be duff injector seals.
15-10-15, 21:43
Valdelisbmw

RE: Smell of exhaust fumes inside car

depends on year and engine , blocked DPF filter and gasses start leak threw tiny halls,including flexi joint . incorrect fitted exhaust and so on
16-10-15, 22:08
BMWHacker

RE: Smell of exhaust fumes inside car

It's a 2006, no DPF filter as far as I know (exhaust tip is turned down).
I had it out today on motorway and there was no smell.
Valdelisbmw: thanks,I might pay you a visit soon, I wouldn't mind you giving the car a once over, I hear you are the BMW guru in these parts!!
17-10-15, 00:58
Foxhole Norman

RE: Smell of exhaust fumes inside car

I was only talking to someone today that had a 2006 520D that was having exhaust fumes coming into the car, Keary's haven't a clue apparently...
08-01-16, 15:57
TinCool

You could have a crack in your exhaust manifold. If you go for a drive so that the engine is hot, park it up with the engine running and open the bonnet. If you can see visible fumes coming up from the left hand side of the engine, then it's definitely a cracked exhaust manifold. I had the same problem on my 2004 530D and it turned out to be that. Expensive job.