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2004 E46 320i manual with 116k miles. Bought it just over a year ago for \u00a32000 probably spent around \u00a31000 on it (radiator, air con, rocker cover gasket, oil sensor, boot switch, coil pack), not too bad for a 20 year old car I don\u2019t think. Only thing that doesn\u2019t work on it is the cruise control, it used to but recently stopped.
E36 on factory, untouched cooling system replaced earlier this year. Date stamps on the radiator, hoses, thermostat housing all indicated they were never replaced.
The first radiator at the dealer was a genuine BMW part# 17111436060. Mine has lasted well.
Replaced with original.
24 years is good for me.
It happened to me once at a night time. I just pulled over, stopped the engine and started again after several minutes and everything was OK.
Edit: After reading other's comments, I realized that mine also related to coolant system. Some time after this incident I replaced radiator because of a coolant leak. May be this warning is related to that.
N54 335i - 200k miles radiator upgraded
My first non warranty repair on my B58 540 was a $3k radiator replacement. That was at about 60k miles.
I was using Valeo radiator for 1-2 years, then it blew hole right under the hose connector.
You need to replace that. Bmws run hot. Only fix
This new radiator expect to fail within 1 year warranty or 1 day after warranty runs out. Original OEM was Valeo Made in Brazil, went 22 years. It cracked from pulling on upper hose to see timing mark on flywheel.
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Engine radiator MISHIMOTO or Koyo
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Engine radiator MISHIMOTO or OEM Volkswagen
Engine radiator MISHIMOTO or OEM BMW
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Engine radiator VALEO or MISHIMOTO
If choosing engine radiator across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare engine radiator across these categories:
In March 2026 on PartReview, engine radiator VALEO were overall better than OEM BMW.
Engine radiator VALEO and OEM BMW were equally popular according to data in March 2026.
By vote balance, engine radiator VALEO surpassed OEM BMW:
By number of reviews, engine radiator OEM BMW surpassed VALEO:
In March 2026, according to PartReview, engine radiator VALEO and OEM BMW have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of engine radiator VALEO with: MISHIMOTO, Koyo, Nissens, KOYORAD, Denso, OEM Volkswagen, OEM Toyota.
Also available: comparisons of engine radiator OEM BMW with: MISHIMOTO, Koyo, Nissens, KOYORAD, Denso, OEM Volkswagen, OEM Toyota.
You can also see who is better among other engine radiator manufacturers: MISHIMOTO or Koyo, MISHIMOTO or Nissens, MISHIMOTO or KOYORAD, MISHIMOTO or Denso, MISHIMOTO or OEM Volkswagen.