How to clean Bmw Serie 2 engine ?

I just did mine again today. My method is:
Cover alternator with tin foil.
Give everything a quick blast from at least 1.5 metres away with a pressure washer
Then with the detailing brush and some wash solution in the pressure sprayer I agitate what ever I can reach with the brush, including thoroughly going over the under bonnet (I have no insulation).
Once done, again pressure wash everything down, this time maintaining at least 1 m distance with the nozzle
I then start the engine
With a leaf blower I blow away all standing water
After about 5 min I turn off the car
Dry remaining water with a MF towel
Dress up any plastics with your favourite product (303 for me)

Don’t be afraid to get water in there, but just try not to drown the engine bay, and certainly never do it with the motor running.

And if you like and maintain your car, why shouldn’t the engine look good too.

AussieRacer
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I just did mine again today. My method is:
Cover alternator with tin foil.
Give everything a quick blast from at least 1.5 metres away with a pressure washer
Then with the detailing brush and some wash solution in the pressure sprayer I agitate what ever I can reach with the brush, including thoroughly going over the under bonnet (I have no insulation).
Once done, again pressure wash everything down, this time maintaining at least 1 m distance with the nozzle
I then start the engine
With a leaf blower I blow away all standing water
After about 5 min I turn off the car
Dry remaining water with a MF towel
Dress up any plastics with your favourite product (303 for me)

Don’t be afraid to get water in there, but just try not to drown the engine bay, and certainly never do it with the motor running.

And if you like and maintain your car, why shouldn’t the engine look good too.

02-15-2009, 03:56 PM #11

I can’t complain, but sometimes I still do. Life’s been good to me so far.

02-15-2009, 05:36 PM #12
BlackjackMulligan
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02-15-2009, 09:37 PM #13

02-15-2009, 09:44 PM #14

In the 135i engine bay this is the only sensitive part that is fully exposed, so if you can avoid blasting water in to it that’d be preferable. I just use the foil cause if I accidently leave it or parts of it behind, it can withstand some heat. Plus the stiffness makes it easier to get in there as it is quite a tight spot.

Products I use:
Meguiars NXT wash
303 Protectant

Tools I use:
Meguiars side-lock brush
Bosch Pressure Washer
Cheap garden pressure sprayer (1 litre)

Pressure sprayer is filled with a small amount of wash solution and warm water. I don’t bother using degreasers as I never really let the engine get dirty enough that something can’t be agitated away with the brush. If you do use a degreaser on the first wash, please use something gentle, eg. citrus based, as any stronger solution not dried away can eat into things.

Done every couple of months, the whole process shouldn’t take more than 20 mins each time and keeps it looking very well maintained.

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02-16-2009, 02:27 AM #15