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BMW 5-Series (G30) Forum Mechanical Maintenance - Break-in, Oil, Fluids, Servicing G30 Engine bay wash?

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      06-11-2018, 03:39 AM   #1
The Donald
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G30 Engine bay wash?

Hi guys

have any of you tried washing the engine on the G30 ?
was wondering if there is any particular areas where i need to cover up and protect before i start spraying it with water & degreasers.

photos will be very helpful

much appreciated!

Note: car model G30 (520d - stock)

Last edited by The Donald; 06-11-2018 at 05:00 AM..
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      06-11-2018, 04:17 AM   #2
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Personally would never consider it due to amount of electrics and electronics in there. Just seems too risky to me. Just my take.
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      06-11-2018, 02:37 PM   #3
bananas2
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Quote:
Originally Posted by The Donald View Post
Hi guys

have any of you tried washing the engine on the G30 ?
was wondering if there is any particular areas where i need to cover up and protect before i start spraying it with water & degreasers.

photos will be very helpful

much appreciated!

Note: car model G30 (520d - stock)
I know people say that it won't hurt anything, but I'm always too scared to do it. I just use a spray bottle with degreaser inside and spray and wipe by hand.
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      06-11-2018, 07:06 PM   #4
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Never understood the reason for washing the engine. It's one thing to dust off/wipe the top of engine but what good can come of washing it?
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      06-13-2018, 03:24 AM   #5
The Donald
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Originally Posted by ADS-UK View Post
Never understood the reason for washing the engine. It's one thing to dust off/wipe the top of engine but what good can come of washing it?

in my old F30 , i had rats running amok inside the engine bay stinking up the whole area. since i parked the car at the outdoor car park.

when it came time to service it , the mechanics was surprised to find rat droppings and footprints all over the engine compartment. luckily no wires were damaged.

from that moment on, i regularly clean the engine bay (every 6 months). the dealer charges me $35 USD for it each time. so i'm wondering if i can just DIY like those guys on youtube.
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      06-13-2018, 10:06 AM   #6
nsa100
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I always gently wash around the engine bay when washing my car to remove any dust, since I drive into dusty quarries (car parks).

I then give it a light spray with the jet wash to rinse...…..

Sometimes I have jet wash down the side of the engine to remove any mud splashes.

Until now I have never had any problems.

Just be sensible and do not spray any electrical connectors directly.

The same advice is given in the hand book about NOT spraying the external cameras and locks directly with a jet wash.
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      06-15-2018, 09:14 AM   #7
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Only safe way of doing it is steam washing it
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      05-15-2019, 05:35 AM   #8
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Polish Angel Engine. Waterless wash and protectant all in one. Itís not cheap but itís worth it.
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      07-12-2019, 03:19 AM   #9
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A waterless wash will work but needs a lot of MF towels and a bit difficult to get every nook and cranny.
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