BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Fitting 118i Oil Cooler to 116i
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      06-01-2022, 04:47 AM   #1
0m44rrrr
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Fitting 118i Oil Cooler to 116i

Hi, Guys, I've got a Pre-LCI 116i with a stage 1 remap, when driving around hard I see my oil temp reaching 120+ so I was thinking of retrofitting the oil cooler from the 118 engine.

has anyone done this before and which parts would I need?

I've checked on realOEM and found the whole assembly on eBay for around 200 so I just wanted to know if it's just Plug n Play?


TIA
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      06-01-2022, 10:36 AM   #2
IJO
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It's the same engine, just uprated to 177bhp, I believe ,so should fit straight on.

Also fit an oil catch can as excessive crankcase fumes entering the combustion chambers can cause detonation that will wreck a piston very quickly (as i found out in 2010 with a year old DS3 with basically the same Prince engine).

My pre lci 116i is great after a MHD stage 1 remap. Just fitted an oil catch can this afternoon.

Please update the thread when you have fitted it.
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      06-01-2022, 11:22 AM   #3
IJO
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Is this the one on ebay?

https://www.ebay.co.uk/itm/165278747445

it doesn't seem to fit the pre lci - meant for the 1.5l 3cyl 118i. (2015>) I think.
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      06-21-2022, 08:01 AM   #4
0m44rrrr
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Hey IJO, taking your advice and just ordered a Mishimoto CC so will fit that on the weekend.

Thinking of getting an external Oil Cooler and fitting that as the OEM one seems to fit the 3 cyl which is a pain.

I also got a Gravity Performance De-Cat downpipe and a Darkside upgraded intercooler on its way so will keep the post updated
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      06-21-2022, 08:42 AM   #5
IJO
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Quote:
Originally Posted by 0m44rrrr View Post
Hey IJO, taking your advice and just ordered a Mishimoto CC so will fit that on the weekend.

Thinking of getting an external Oil Cooler and fitting that as the OEM one seems to fit the 3 cyl which is a pain.

I also got a Gravity Performance De-Cat downpipe and a Darkside upgraded intercooler on its way so will keep the post updated
I fitted a Gravity back box last week. (249 after discount voucher)

They advertised it on ebay as 'cat back' but it isn't. It attaches behind the centre box and required a connector to join them which they didn't supply.

It is a high quality product with excellent welding and accurate bends so fitting was no problem.

Seems to have made a difference above 4000rpm and is also no louder than the original.

Please post some photos of the CC. I did fit a small one but I can't find suitable pipes other than buying a replacement pipe and modifying it.

An oil cooler isn't a bad idea given how hot the oil gets when driving quickly but I'm not sure how easy it is to get to the existing one to connect it.
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      06-21-2022, 08:50 AM   #6
0m44rrrr
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will post the photos once fitted on Thursday. managed to get a XL one from amazon for 67 with pipes where the standard size was 160 on other sites.
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      07-21-2022, 12:31 PM   #7
IJO
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Did you ever fit an oil cooler and catch tank?

I bought off bay for under 20 - the red anodised type with a separator and dipstick.

It's really well made and came with some stainless wire wool in addition to the separator.

Nothing showing on the dipstick yet although I haven't done many miles.

I also changed the plugs for NGK Iridium which are grade cooler and a couple of days ago, received the Ignition Projects multispark coils from the US. (similar to Okada)

After changing the plugs, cold starting was a bit rougher and hesitant and this has now gone and the car also feels more lively - almost as if it was in Sport.

Mpg could be slightly better to but it's too early to tell.
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