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Old 13th September 2018, 07:45 AM   #1
topazz33ba
Rocking a new hat
 
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Join Date: May 2013
Location: Cambridgeshire
Posts: 452
Car: 2001 BMW M3 TOPAZ & KIWI /330Ci AUTO TIP CLUB SPORT
Colour Combo: Topazz Blue / Kiwi
Default 550Ci V8 4.4

For anybody who may have such an engine in their 5 series,
and find that it smokes out of the exhaust.Quite badly if left on
tick over for a while.

There is,on each bank,front end under cover.a Diaphragm.
These Diaphragms do not last very long,and with the smoke
coming from back of car,you think it will cost 's.Infact
in England it does for the parts,the job is a DIY.

I have now found instead of the 30-142 each that you
can buy in China/Hong Kong for under a fiver each.These though
cheap will last longer because the spring under diaphragm is not
as strong,So by having weak spring it is a win win.

Luck.

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