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BMW 3-Series (E90 E92) Forum
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Maintenance maintenance!!
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08-13-2020, 09:44 AM | #1 |
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Maintenance maintenance!!
My son learned an expensive lesson recently. He has a 2008 335xi, and ever since we bought it about a year ago....it's had the notorious oil filter housing/cooler oil leak. Very minimal, and I kept on telling him that if he bought the seal, I would help him fix it. Yea yea... Well, over time that deteriorated his belt and recently it blew. But we didn't know that at first. Two weeks ago, he broke down, he was driving home and he lost all power...dead battery. Looking at the engine, everything looked good...so I put my jumper cables on it and it started immediately...I figured the alternator went. ....towed him home.
The way the belt blew, it shredded on the bottom half, and what you could see looking down at the engine, appeared in tact. Luckily, it didn't wrap around the bottom end pully and dig it's way into the engine like I've read about. Alternator was like $300 if I recall....had to wait a week for that to show up. That finally got here, couldn't believe the process to get that replaced. Wow..you would have thought we were overhauling the engine! lol. Had waited a couple days after ordering, then decided to start the tear down, when we realized the belt. Ordered that. $60...had to wait. Alternator shows up, and while tryin to install that and the belt, the tensioner pulley bit hole strips on us while trying to lock it open. Took it off and tried to dremel the hole big enough to fit a 1/2" ratchet head instead of the T60....found out the hard way that if it's pretty much not a machine fit, it just strips right back out. Fine. Ordered another one, and discovered in the process that it's a yield bolt, and dont' want to reuse that anyway. That showed up yesterday. In the process, we broke the dang nipple on the upper radiator hose. Which no one carries. Had to order that. $20 if I recall. That showed up last night. Ordered it through NAPA. Doesn't fit. It looks the same mostly, but shorter, and bend is different. !@#$!%!!! Yup...two WEEKS later now, and still fighting parts. So $50 for a belt, $300+ for the alternator, $20 for the hose, $40 for the pulley, new oil(change), new coolant...we are about $30 into beer at this point. So now we are $500+ into it, when he could have spent what $7 for the seal? The silver lining? Serious wrench time with my son. $$PRICELESS$$ But I won't tell him that.
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08-13-2020, 11:31 AM | #2 |
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Although it may look like the seal is ok and belt didn't get in, you would be surprised that pieces could still be inside.
You will find out once you do his oil pan gasket. Hopefully nothing got in. By the way, did you replace the OFH gasket? Get the original from BMW. They changed manufacturers, they are now made in Japan. Don't use Elring gasket for the housing. |
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08-13-2020, 12:54 PM | #3 |
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broken belt
http://www.bimmerfest.com/forums/sho....php?t=1231881 http://www.e90post.com/forums/showpo...3&postcount=23 https://www.oxwerkzperformance.com/ http://www.e90post.com/forums/showthread.php?t=1477111 https://www.e90post.com/forums/showthread.php?t=1305990 It is imperative you change the tensioner for the accessory belt on these and that any oil leaks that can get on the accessory belt be fixed ASAP. The belts usually don't go bad unless there is oil leaking onto them . The tensioner wil get weak over time though. The shield that oxwerks sells is well worth the money if you can get one. These are not cheap cars to maintain and you need to buy quality parts or suffer the consequences. This is not a car you want to do freestyle repairs on . Yep use torque wrenchs on everyhting. 500 bucks is peanuts to spend on a BMW. Last edited by ctuna; 08-13-2020 at 01:02 PM.. |
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NYCiROLL36.50 |
08-14-2020, 08:54 AM | #4 | |
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I just bought a car knowing that the OFHG needs replacement, as everything else was fine. Obviously replacing the belt/tensioner is not a huge deal while I am doing OFHG, but I am curious to know if I am safe just for the time being until the parts come in. |
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08-15-2020, 09:53 AM | #5 | |
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A lot of us here use realoem.com to get the correct BMW part number and order it on line from one of the tried and true internet vendors. This "system" (using realoem.com and a well-known BMW part vendor) is so good that you can have all the necessary parts on hand in a few days. In addition, reviewing many of the DIYs posted on E90 Post, will let you know the pitfalls other owners have experienced performing the repair you are attempting. The broken nipple on the upper radiator hose is a common occurrence as is breaking the thermostat hose connector at the cylinderhead. Finally, most all of BMWs repair procedures are located at a site called newtis.info. Finding the repair procedure is easy using the first-4 of the part number. For example, using the N52, the P/N for the tensioner is 11287530314. 11 means its an engine part. 28 means it is part of the drivebelt system. Going to newtis.info, you find the repair procedure under 11 28. The whole sequence (realoem; newtis drill down)
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A manual transmission can be set to "comfort", "sport", and "track" modes simply by the technique and speed at which you shift it; it doesn't need "modes", modes are for manumatics that try to behave like a real 3-pedal manual transmission. If you can money-shift it, it's a manual transmission. "Yeah, but NO ONE puts an automatic trans shift knob on a manual transmission."
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08-15-2020, 11:43 AM | #6 |
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Yeah, you’re both learning some lessons :-) I appreciate the effort and always order OE BMW where you are not positive there are reasonable aftermarket options.
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08-15-2020, 05:41 PM | #7 |
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i wish i can wrench with my dad but i never asked him and he seems to be a handy dude but at the same time never asked. He was into hondas. I wonder if i show up to a house with a honda for me and him to wrench if he likes that.
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08-15-2020, 07:43 PM | #8 | ||
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I bet your dad would feel the same. True 'gear heads' appreciate all cars - some of us just have an affinity for specific brands or models. The E90, E30, AP1, and VFR are my personal favorites. OP, I'm glad you got some quality 1 on 1 time with your son...nothing like it for sure!
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