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BMW 3-Series (E90 E92) Forum
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E90 N52K 328i High Mileage Repairs
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09-12-2019, 01:48 AM | #1 |
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E90 N52K 328i High Mileage Repairs
Hi everyone, I'm new to the forums, recently joined. I have a 2008 328i with 151k miles now, And I wondering as what to look out for, in preventative repairs, as I drive the car. What major things should I look out for??? Thanks!!
Since 144k I've done: Fuel Pressure Regulator (across the pump in the tank) Valve Cover Gasket Eccentric Shaft Gasket Valvetronic Motor Gasket Radiator Replacement, along 2 hoses Oil Filter Housing Gasket Expansion Tank Replaced Outer Tie Rods w/ SwayBar Links Water Pump and Thermostat Automatic Trans Fluid, and Filter w/ pan gasket Power Steering Fluid, & Reservoir Replaced |
09-12-2019, 02:08 AM | #2 |
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This will ruin it for you.
broken belt https://www.e90post.com/forums/showthread.php?t=1305990 http://www.bimmerfest.com/forums/sho....php?t=1231881 http://www.e90post.com/forums/showpo...3&postcount=23 http://www.e90post.com/forums/showthread.php?t=1477111 https://www.oxwerkzperformance.com/ VCG and OFG are the common ones |
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09-12-2019, 12:58 PM | #3 | |
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09-12-2019, 01:36 PM | #4 | |
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Looks like you covered everything important and should be good for a LONG time. I bought mine with over 200K miles on it and all of the above listed items have been replaced recently, either by the previous owner just prior to purchase or by me shortly after. The belt/tensioner links above show the only other somewhat common failure, and the aftermath of destruction if it fails. I wouldn't worry much about the belt breaking, but on the other hand if you don't know when it was changed last, it's cheap enough to just replace. If it still looks OK, just monitor the tensioner and idler pulley to make sure they're not bent. I personally had a bent tensioner and had to replace it. The PCV system *may* cause trouble, specifically issues with the oil separator not functioning correctly, but if the hoses aren't cracked and there are no other issues like leaks or whistling, just leave it be and only replace if it fails. I only had one 'major' failure which could have left me stranded and that was the alternator, but fortunately it was an intermittent failure that gave me plenty of notice to order a new one and replace it. It's also stupid easy to replace on these cars. |
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09-12-2019, 02:42 PM | #5 |
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I had leaking shocks/inserts on both the front and rear of my 06. The bump stops also needed to be replaced. The sunroof headliner also fell down.
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09-12-2019, 05:41 PM | #6 |
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All that stuff broke on your car, or did the internet convince you the parts were headed for catastrophic failure? The gasket leaks are common. The belt tensioner needs to be kept an eye on (as well as belt condition).
Elcheapo has a good point. Brake fluid is every 24 months from the build date month of the car (found on the compliance placard on the driver's door jamb). Good idea to get the brake flush done if you do not know the last service history. These cars do not need as much maintenance as the internet says they do. Don't be one of those people who tow a trailer full of spare parts and a full tool set.. "just in case". Last edited by Efthreeoh; 09-12-2019 at 05:52 PM.. |
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09-12-2019, 06:37 PM | #7 | |
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09-12-2019, 09:07 PM | #8 |
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Really? So the power steering reservoir on your car failed? How?
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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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09-13-2019, 06:45 AM | #10 | |
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I'd say that keeping any eye on the thermostat-to-head hose hose bib is a consideration based on the age and mileage most E9X have on them.
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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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09-13-2019, 07:19 AM | #11 |
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OP,
You didn't mention the engine air filter. The change interval is every 3rd oil change (BMW interval), so about every 45,000 miles. The serpentine belt and tensioner should be evaluated. Small lateral cracks in the ribs of the belt suggest replacement is necessary. If the belt is not sitting directly on the tensioner pulley between the edges, then the tensioner bolt is starting to bend. If the belt is sitting over the front edge of the tensioner pully, then at minimum replace the mounting bolt, at most replace the tensioner and bolt. Many on-line retailers sell a kit from Continental, with the belt, tensioner, and bolt. And again, the thermostat-to-head coolant hose can have a failing plastic hose bib on the head-side of the hose. No real way to inspect it, other than draining the cooling system and removing the fitting, which if you go through all that, you might as well replace the plastic bib with the aluminum part. The other weak link coolant hose is the return hose from the top of the upper radiator hose fitting back over to the coolant reservoir. You've replaced the upper rad hose and coolant tank, the return hose should e checked. Now, if the return hose is a small-diameter plastic tube from the reservoir tank running under the intake snout, then the hose was replaced at some point. The original hose had a rubber hose off of the reservoir that then switched to a plastic tube that runs under the intake snout. The original hose is the one susceptible to failure.
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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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09-13-2019, 11:11 AM | #12 | |
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So the replacement plastic line is good? Wouldn't it crack justlike the rubber / plastic line. I couldn't find that line in aluminum only copper. |
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09-13-2019, 11:32 AM | #13 | |
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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."
Last edited by Efthreeoh; 09-13-2019 at 11:39 AM.. |
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09-13-2019, 05:09 PM | #14 |
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VANOS solenoids
VANOS solenoids are something to watch for, my 07 started having crazy issues and they turned out to be the culprit, my symptoms were the same as if you had a bad coil or bad spark plugs, running rough, DYING at a stop, etc. I replaced coils, SP's and even the MAP sensor before I figured that out.
Nathan's DIY garage on YT has some great videos on repairs and such for that car, if you have issues I recommend you check his channel, he is also responsive to comments and will try to help as much as he can without seeing the car. Congrats on the new car, enjoy it! -R |
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09-13-2019, 06:18 PM | #15 | |
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I was keeping an eye on thermostat to head hose and it looked great even though it was 15 years old. But since my daughter was taking the car to college, I decided to change it. The hose was just about to fail. The plastic fitting was failing on the inside where you cant see it. And that one will leave you on the side of the road. |
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09-13-2019, 09:35 PM | #16 | |
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09-13-2019, 09:37 PM | #17 | |
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09-14-2019, 05:16 AM | #18 |
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Why would you want to change the filter? Just because it's a filter?
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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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09-15-2019, 01:34 AM | #19 | |
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09-15-2019, 06:53 AM | #20 | |
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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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09-16-2019, 12:21 AM | #21 | ||
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09-16-2019, 02:15 AM | #22 | |
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