BMW E87 E88 125i 128i 135i Heater Not Working Blowing Cold What Is The Fix???

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BMW E87 E88 125i 128i 135i Heater Not Working Blowing Cold What Is The Fix??
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[@LetsGoWil]

Hey when you had this issue did it also affect the front defroster? Because I'm having this problem in my e90 where the vents throw out air but it's not cold or warm just regular air and front defrost doesn't work too well. Thank you

[@The_Truth777]

I flushed the heater core by removing the heater hoses on the firewall and using water jet to blast water into one of the heater hose inlets. Did this until a whole lot of gunk came out the outlet. Now blows heat like a dragon!

[@tonyackers5145]

Is the secondary water pump blocked?

[@hgbmwg4073]

I have the same problem keep us updated

[@mikedavidian2485]

Well you do have the AC on in the video. Try the heater control valve also called the changeover valve. It opens to let coolant into the heater core.

[@Efortysicks]

Oh okay I see

[@asmircar1]

i got same problem on my e39 and my friend told me i need to change Hedgehog. (Final Stage Restistor aka FSU)

[@redrock1963]

My E87 will deliver hot air when on the hottest selection (Australia 28 deg. C) but gets cold air at around 26.5 degrees c. After a bit a searching I'm thinking it's gunna be the "blend actuators" that are mounted on the side of the heater box. A big job by the looks of it.

[@lindamhl3039]

Ever thought looking into blend door actuators

[@sniper_1537]

Hi I had the same problem with my 2007 bmw x3... the heater core is plugged with some kind of black plastic particle....I hooked up shop vac to heater hose and vacume the coolant out succing all kind of dirt,,in the process ...after re filling new coolant... yes I have heat!!!

[@kevy1583]

Yo bro was it a hard plastic piece cause i think thats whats wrongw it my car

[@mack_titan]

damm, what is the solution for this ? I have the same exact problem, new water pump, heater core and even made sure to flush the heater core unit on the firewall. I saw somewhere there was a temp sensor hidden inside the cab, perhaps that needs to be replaced? ( 2006 BMW 325I)

[@moshe2002]

blend door motor not working???

[@rcggonzalez]

It has to be the heater core not getting liquid or something in that area

[@danekeeper1]

Hey Nathan...!. Temperature sensor Driv side foot well-ohm it out....2. fresh air flap open, htr flap closed.........test the return hose and feel if its warm ..if it is you have circulation so you have a temp sensor or the control flaps not working...sometimes the actuator comes undone or breaks...white cheap plastic ...Dammit. let me know if this helped

[@NathansBMWWorkshop]

Thanks buddy nice to hear from you again and i will check those out

[@bjenks2]

how about a 98 e38. My passenger side get warm and then hot after 15 or so mins from cold but the drivers side never blow hot air.

[@AdityaThakkar0]

Hey, you ever found a solution to that?

[@gstsaver13]

Did you ever get a fix?

[@adrianohapy88]

I have also strange problem , blowing cold til 27,5 C but when i change to 28 then is coming very hot !!! What can be ?

[@EM.Marvin]

i have exactly the same problem !! do you have found a fix ?

[@adrianohapy88]

@@EM.Marvin not yet , i was with tha car to service special for bmw and they told me that is veri normal , must be like this... but of course my car don't was like that before and I don't believe... if you gonna have more luck tell me pls.

[@MarinTheFirestarter]

@@adrianohapy88 they are lying. I have the same problem....

[@daredevil7442AUTOMOTIVE]

A buddy of mine had the same problem on his Oldsmobile cutlass, he dumped in a can of radiator flush/cleaner and a day later he had super heat and some very brown anti freeze, try some radiator flush and see what happens, beats pulling the dash to change out the heater core and if it doesn't work then yea....dash comes off.

[@NathansBMWWorkshop]

Could be worth a shot , i will do some research on that , thanks for the info

[@alecaaa1]

That happen to me on a 95 325.. was clogged

[@JackmeMe]

Try getting heat going if you turn off the AC and just let the fan blow.

[@NathansBMWWorkshop]

I did that, the ac was only on in the video because i hit the auto button

[@watersareblue5473]

Hi, did you fix this pls ive got the same problem

[@NathansBMWWorkshop]

The heater core was stopped up, had to flush it and that fixed it

[@watersareblue5473]

Thx for replyingNathan, I kind of fixed it a bit/ diagnosed it must be my problem too,, for any one else's sake who might be in the same position reading this... when the car was hot while driving on the motorway I took the car out of gear and rev'd it quite high up to like 5000 and the heat came on.... I still need to flush the heater core as keeps going off but might work for someone else's car, and gives some heat for a bit.. was enough to warm the car up

[@TheDogPonyShow7]

A/c is on

[@joshmindek4840]

Unfortunately, I'm betting that all the stop-leak you found in the cooling system has something to do with it.

[@NathansBMWWorkshop]

Could be , it seems like most people with the 1 series cars have this problem though, but no one ever says how to fix it

[@anthonymaestas7298]

Same problem, you were of no help.

[@Lilmonkmonk]

0:47 someone fart?