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-   -   Engine Washing (http://www.maxbimmer.com/forums/showthread.php?t=114078)

Dado 540 12-10-2008 03:42 PM

Engine Washing
 
Hey fellas,

Do you wash you 5ers engines? How do you go about it, with all the electical and ECU in there it scares me to plash it with water.

prince1 12-10-2008 04:18 PM

Ya I was wondering about this as well

Gamite 12-10-2008 04:21 PM

I just splash it. :)

I don't use any kind of pressure washers, just the hose

europrince 12-10-2008 04:41 PM

^ i did the same..plus some elbow grease.

Dado 540 12-10-2008 08:54 PM

What about the ECU, the starter, alternator, . . .?

MiroE36 12-10-2008 09:42 PM

my friend just hoses down his engine then uses a cloth to polish it (taking off most of the dirt). He literally hoses down the whole engine bay, then gets to work... then just starts the car and moves on... it never affected anything. Mind you this is a honda civic, so I don't know if the same is correct for BMWs

Bullet Ride 12-10-2008 11:02 PM

1 Attachment(s)
Been pressure washing the engine bay of both 5ers once a year since we got them. Haven't had any problems and it keeps the engine bay looking like this*th-up*

328i Cab 12-12-2008 04:04 PM

Pressure washers are generally better (because you use less water and can control the flow a bit easier). Just don't spray the electrical components directly, especially the ECU, throttle body, mafs, alternator etc. Seen a few cars get a bit of water in the intake (happened on my cadillac back in the day) - just let it run for a few mins and it should burn off. Just use as little water as possible.

Gamite 12-12-2008 04:15 PM

But pressure washers can potentially squeeze their way into seals that you don't want water to get into.

Use a mild engine degreaser and a paint brush to loosen the dirt.

doogee 12-12-2008 04:47 PM

Brake caliper cleaner works well too.

///Maluco 12-12-2008 04:59 PM

I use a pressure washer and dry it using compressed air....no problems here!

328i Cab 12-12-2008 05:36 PM

Quote:

Originally Posted by Gamite (Post 1238476)
But pressure washers can potentially squeeze their way into seals that you don't want water to get into.

Use a mild engine degreaser and a paint brush to loosen the dirt.

Yes, use a soft brush and don't hold the pressure washer for any length of time over any area with electronics. Use it in a quick back and forth motion over the area (hope that makes sense).

Trouble65 12-14-2008 06:45 PM

Quote:

Originally Posted by Dinan_M5 (Post 1237782)
Been pressure washing the engine bay of both 5ers once a year since we got them. Haven't had any problems and it keeps the engine bay looking like this*th-up*


Sorry Dinan_M5 pressure washing is the worst possible way to wash your engine bay. The high pressure will eventually find a weak spot in rubber seals and destroy them. I always wash my engine bay with some type of degreaser agent followed by warm water and soap. After that I rinse the engine compartment and use compressed air to get rid of the remaining water.

rider-. 12-14-2008 07:06 PM

i use tireshine on all the plastic parts... hose everything else down.. turns out looking nice

slimjim 12-14-2008 07:10 PM

i power was the shit out of my engine bay in the e30, never had any problems, i normally just wrap a bag around my cone filter.


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