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The BMW Range
X Series
Oil in Expansion Tank - $$$$$ - cracked heat exchanger
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<blockquote data-quote="shanbala" data-source="post: 701734" data-attributes="member: 86"><p><span style="color: #222222"><span style="font-family: 'Tahoma'">Xthree,y</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">You are not the only one suprised that such a relationship exist betweengearbox & radiator. Over the last 48 hours I have also been enlighten.</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">The heat exchanger looks like a minature version of a radiator. In my 2006 X3,it is located below the radiator.</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">The heat exchanger (oil cooled) primary source is to "cool" the ATFfluid. As the hot ATF fluid flows through the heat exchanger, water from theradiator passes through the heat exchanger simultaneous cooling down the ATFfluid before it reenters the gearbox.</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">From the various forum threads, a lot of drivers ignore to check the thecondition of the heat exchanger. In my case, the leak of the exchanger, causedthe oil from the exchanger to mix with the water from the radiator. Thecontaminated water was carried back into my radiator/expansion tank.</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">Anaksarawak,</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">Checked with Singapore. Both Eng Soon & Performance Motor does not havestock at the moment. Eng Soon quoted S$360 and Performance $420. These amountsequate to between RM 936 to RM 1,092. AB Malaysia quoted RM 1,173. Bavarian,Inner Power, 1st Division quoted higher than AB, RM 1,250 (price fixing????)</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">B33mEr,</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'">Was advised by mechanic to change the radiator assembly. Because its aluminiummade, flushing it might not clear all the oil particules. Will discuss againwith mechanic about flushing the radiator.</span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p><p><span style="color: #222222"><span style="font-family: 'Tahoma'"></span></span></p></blockquote><p></p>
[QUOTE="shanbala, post: 701734, member: 86"] [FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT][COLOR=#222222][FONT="Tahoma"]Xthree,y You are not the only one suprised that such a relationship exist betweengearbox & radiator. Over the last 48 hours I have also been enlighten. The heat exchanger looks like a minature version of a radiator. In my 2006 X3,it is located below the radiator. The heat exchanger (oil cooled) primary source is to "cool" the ATFfluid. As the hot ATF fluid flows through the heat exchanger, water from theradiator passes through the heat exchanger simultaneous cooling down the ATFfluid before it reenters the gearbox. From the various forum threads, a lot of drivers ignore to check the thecondition of the heat exchanger. In my case, the leak of the exchanger, causedthe oil from the exchanger to mix with the water from the radiator. Thecontaminated water was carried back into my radiator/expansion tank. Anaksarawak, Checked with Singapore. Both Eng Soon & Performance Motor does not havestock at the moment. Eng Soon quoted S$360 and Performance $420. These amountsequate to between RM 936 to RM 1,092. AB Malaysia quoted RM 1,173. Bavarian,Inner Power, 1st Division quoted higher than AB, RM 1,250 (price fixing????) B33mEr, Was advised by mechanic to change the radiator assembly. Because its aluminiummade, flushing it might not clear all the oil particules. Will discuss againwith mechanic about flushing the radiator. [/FONT][/COLOR] [FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT] [/QUOTE]
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Oil in Expansion Tank - $$$$$ - cracked heat exchanger
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