BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      01-06-2013, 09:32 PM   #1
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135is under the hood ?

So I opened my hood for the first time to check out what was involved with changing out the h8 bulb for the halos and I came across this relay and I'm not sure what it does. It seems to have been installed after the fact as I see metal shards where it's attached. Any idea what it's for?
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      01-06-2013, 09:38 PM   #2
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Relay for the higher output electric cooling fan. The 135is has PPK2 (software plus additional radiator and higher output cooling fan) installed at the port.
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      01-06-2013, 09:42 PM   #3
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It appears to be the fan relay that comes with the PKK 2. The 135i's standard relay is not compatible with the upgraded 850w radiator fan that comes with the PPK 2 and possibly the 135is.
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