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Flooded Engine

Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum
Category: Technical & Model Specific Forums
Forum Name: BMW 5 Series
Forum Discription: This forum will deal with any issues on the BMW 5 Series (E12, E28, E34, E39, E60 & E61)
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=3309
Printed Date: 30-April-2024 at 19:22


Topic: Flooded Engine
Posted By: Ian :0
Subject: Flooded Engine
Date Posted: 26-September-2003 at 13:02

My E39 520 has a tendancy to flood after very short hops when the engine is cold. If say I move it off the drive out onto the road, later in the day when I next try to start it, it appears to be flooded. It then takes lots of turn-overs to eventually get it to fire. Once started, no probs there-on in.

Possibly more of an observation rather than seeking a solution.....Any similar experiences or ideas out there ?

Ian.



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Ian


Replies:
Posted By: dlg_e30
Date Posted: 26-September-2003 at 13:48
Yep my 320 (E30) does this also, short trip say a mile or so and when i go to restart it has to crank for a while. This only happens sometimes though. I have no idea what causes it though and it never fails to start. I had a problem with a throttle switch which caused non starting symptoms but they were not the same.

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David

E30 320I SE

Posted By: Karl
Date Posted: 26-September-2003 at 23:32
It's not unusual on any modern car, When you first start your car the cold start programme will cause the injectors to pump shed loads of fuel in to the cylinders, turn the engine off whilst it is cold and an amount of fuel will stay in the cylinders, hey presto one flooded engine

Ask any AA man, this is one of the more common home start faults

Posted By: David 87M3
Date Posted: 29-September-2003 at 14:13
Happens to my e34 520 (24 valve engine).

Posted By: mahsbg
Date Posted: 10-October-2003 at 17:30
I've experienced this with my E39 523i.  I couldn't get it to go, the recovery man informing me that its a real struggle to get the 6 cylinder cars restarted when 'wet'. His cure, remove the fuse for the fuel pump, crank the engine over to 'dry' it out ( it may even fire up once dried out a bit but stop again), replace the fuse and it will restart. This method usually requires a booster battery though as the cars own one sometimes gives up if its been trying to start the flooded engine a few times.

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SSB

Posted By: Russell
Date Posted: 11-October-2003 at 01:30
Listen to Karl. He right.


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