{"id":41594,"date":"2021-07-12T15:19:07","date_gmt":"2021-07-12T22:19:07","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=41594"},"modified":"2023-10-11T06:42:20","modified_gmt":"2023-10-11T13:42:20","slug":"why-is-my-2006-bmw-3-series-overheating","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-is-my-2006-bmw-3-series-overheating\/","title":{"rendered":"Why is My 2006 BMW 3 Series Overheating?"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_bc67b5-b8 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_bc67b5-b8 > .kt-inside-inner-col,.kadence-column_bc67b5-b8 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_bc67b5-b8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_bc67b5-b8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_bc67b5-b8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_bc67b5-b8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_bc67b5-b8{position:relative;}@media all and (max-width: 1024px){.kadence-column_bc67b5-b8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_bc67b5-b8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_bc67b5-b8 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-b102d2  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-40f76b\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b, .wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b[data-kb-block=\"kb-adv-heading_f5d2a1-4b\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b[data-kb-block=\"kb-adv-heading_f5d2a1-4b\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_f5d2a1-4b[data-kb-block=\"kb-adv-heading_f5d2a1-4b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_f5d2a1-4b summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_f5d2a1-4b\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Overheating can be caused by air trapped in the cooling system. This is why the cooling system should be bled after every service.<\/li><li>If you got all of the air out of the system and the engine is still overheating, you&rsquo;ll want to look at the electric water pump. Faulty water pumps are common in these engines.<\/li><li>You&rsquo;ll want to make sure that the radiator cooling fan comes on as it should. The fan will operate at different speeds, depending on coolant temperature and vehicle speed. Don&rsquo;t drive the vehicle until you address the overheating concern.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Q: I have a <a href=\"https:\/\/www.carparts.com\/search?q=&amp;itemperpage=15&amp;vehicle%5Byear%5D=2006&amp;vehicle%5Bmake%5D=BMW&amp;vehicle%5Bmodel%5D=325i&amp;vehicle%5Bsubmodel%5D=Base&amp;vehicle%5Bcylinders%5D=6&amp;vehicle%5Bliter%5D=3%2E0\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"2006 BMW 325i\">2006 BMW 325i<\/a>. I changed the radiator and thermostat, but the overheating warning light still comes on occasionally. The car doesn&rsquo;t lose power, leak, or burn any fluids. What could be the problem?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">&ndash; Steven Conditt from Bartlesville, Oklahoma<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-1024x767.jpg\" alt=\"old water pump\" class=\"wp-image-41696\" width=\"1024\" height=\"767\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-1024x767.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-768x575.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-928x696.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump-150x112.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/old-water-pump.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>You&rsquo;ll want to take a look at the electric water pump if your engine is still overheating after you&rsquo;ve released all of the air from the system<\/figcaption><\/figure>\n\n\n\n<p><strong>A: <\/strong>Hi, Steven. First of all, whenever you open the cooling system for service, you want to bleed the system of air afterward. Failing to do so can leave air trapped in the system, resulting in engine overheating.<\/p>\n\n\n\n<p>If you got all of the air out of the system and the engine is <a href=\"https:\/\/www.carparts.com\/blog\/car-overheats-when-the-ac-is-on-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"still overheating\">still overheating<\/a>, you&rsquo;ll want to look at the electric <a href=\"https:\/\/www.carparts.com\/search?q=water_pump&amp;vehicle%5Bcylinders%5D=6&amp;vehicle%5Bliter%5D=3%2E0&amp;vehicle%5Bsubmodel%5D=Base&amp;vehicle%5Bmodel%5D=325i&amp;vehicle%5Bmake%5D=BMW&amp;vehicle%5Byear%5D=2006\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"water pump\">water pump<\/a>. <a href=\"https:\/\/www.carparts.com\/blog\/signs-of-a-bad-water-pump\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Faulty water pumps\">Faulty water pumps<\/a> are common on these engines. <\/p>\n\n\n\n<p>You can make sure the water pump turns on by performing a simple test procedure. First, set the climate control to the maximum temperature and minimum fan speed. Then, with the key on and the engine OFF, press the accelerator pedal to the floor for 10 seconds. You should be able to hear the water pump start running shortly after.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<p>But even if the pump comes on, it may be weak or experiencing intermittent problems. So, regardless of the test results, you might want to try swapping the pump out to see if that fixes the problem. <\/p>\n\n\n\n<p>Also, you&rsquo;ll want to make sure that the <a href=\"https:\/\/www.carparts.com\/search?q=cooling_fan_assembly&amp;vehicle%5Bcylinders%5D=6&amp;vehicle%5Bliter%5D=3%2E0&amp;vehicle%5Bsubmodel%5D=Base&amp;vehicle%5Bmodel%5D=325i&amp;vehicle%5Bmake%5D=BMW&amp;vehicle%5Byear%5D=2006\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"radiator cooling fan\">radiator cooling fan<\/a> comes on as it should. The fan will operate at different speeds, depending on coolant temperature and vehicle speed. <\/p>\n\n\n\n<p>I highly recommend that you do not drive the vehicle until you address the overheating concern. The problem could quickly lead to engine damage (if it hasn&rsquo;t already).<\/p>\n\n\n\n<p>Good luck! <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Product Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/water-pump\/bmw\/325i\" target=\"_blank\" aria-label=\"bmw 325i water pump\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repb313515_1\">\n<strong>Water Pump<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/radiator\/bmw\/325i\" target=\"_blank\" aria-label=\"bmw 325i radiator\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/p2636_1\">\n<strong>Radiator<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/cooling-fan-assembly\/bmw\/325i\" target=\"_blank\" aria-label=\"bmw 325i cooling fan assembly\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/b160913_1\">\n<strong>Cooling Fan Assembly<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\n\n\n\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"QAPage\",\n    \"mainEntity\": {\n        \"@type\": \"Question\",\n        \"name\": \"Why is My 2006 BMW 3 Series Overheating?\",\n        \"text\": \"I have a 2006 BMW 325i. I changed the radiator and thermostat, but the overheating warning light still comes on occasionally. The car doesn&rsquo;t lose power, leak, or burn any fluids. What could be the problem?\",\n        \"answerCount\": 1,\n        \"upvoteCount\": 0,\n        \"dateCreated\": \"2021-07-12T22:19:07Z\",\n        \"dateModified\": \"2022-04-12T04:56:12Z\",\n        \"author\": {\n            \"@type\": \"Person\",\n            \"name\": \"Steven Conditt from Bartlesville, Oklahoma\"\n        },\n        \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Hi, Steven. First of all, whenever you open the cooling system for service, you want to bleed the system of air afterward. Failing to do so can leave air trapped in the system, resulting in engine overheating. If you got all of the air out of the system and the engine is still overheating, you&rsquo;ll want to look at the electric water pump. Faulty water pumps are common on these engines.\",\n            \"upvoteCount\": 0,\n            \"url\": \"https:\/\/www.carparts.com\/blog\/why-is-my-2006-bmw-3-series-overheating\/\",\n            \"dateCreated\": \"2021-07-12T15:19:00Z\",\n            \"author\": {\n            \"@type\": \"Person\",\n            \"name\": \"Mia Bevacqua, ASE Certified Master Automobile Technician\"\n            }\n        }\n    }\n}\n<\/script>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Q: I have a 2006 BMW 325i. I changed the radiator and thermostat, but the overheating warning light still comes&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-is-my-2006-bmw-3-series-overheating\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":29,"featured_media":39167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[3010],"tags":[3061],"ppma_author":[2622],"class_list":{"0":"post-41594","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ask","8":"tag-2006-bmw-325i","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why is My 2006 BMW 3 Series Overheating? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Is your 2006 BMW 3 series overheating? You might be having issues with your water pump. CarParts.com Chief Mechanic addresses this issue.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/why-is-my-2006-bmw-3-series-overheating\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why is My 2006 BMW 3 Series Overheating? - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Is your 2006 BMW 3 series overheating? You might be having issues with your water pump. 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