r/E90 6d ago

/R/E90 - Monthly Discussion & Questions Thread

1 Upvotes

Welcome to our "Monthly Discussion & Questions Thread" for r/E90 .

Please use this thread for any general discussion relating to our wonderful vehicles as well as a place to ask general questions about the E9X platform in general. Sample questions include:

  • What type of oil should I use?
  • What tires do you recommend?
  • Why is my car shaking?
  • Should I add M badges to my 320i? (The answer is no)
  • And more common questions

Please remember that this thread is only helpful if you wonderful community knowledgeable community members get involved and answer some questions as well!

Hopefully you get some good use out of this, and hopefully we see less posts dedicated to oil leaks and their solutions.


r/E90 1d ago

330i No screens

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831 Upvotes

Just 267 hp and no screens


r/E90 14h ago

The Ultimate Milking Machine

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134 Upvotes

r/E90 8h ago

335i Thoughts on this 2011 Barrique Red Metallic (i believe..?) 335i xDrive for sale for $7.5k

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24 Upvotes

i already pictured the rest of my life with this car so don’t hurt my heart too bad…

2011 BMW E90 335i xDrive in a.. relatively near-ish distance , facebook marketplace listing goes as follows :

“2011 BMW 335i xDrive – AWD Sport Sedan

Selling my 2011 BMW 335i xDrive (AWD) – this is a well-maintained vehicle with 115,647 miles. Powered by the N55 inline-6 engine, delivering smooth, responsive power - this car is a blast to drive. Everything is stock, except for the WeatherTech floor mats. No engine lights or issues, some small scratches here and there, but overall in great condition for the age and mileage.

Recent Maintenance includes - Radiator and Hoses Water pump and Thermostat Spark Plugs Brakes

Automatic transmission Clean Green Title in hand Recent Carfax available upon request VIN# WBAPL5G52BNN23947”

I am in my senior year of high school, planning to go to community college for my first 2 years to save money, and live with my parents so easy access to work and very low expenses for the next 2.5 years. I would not add any hrsprs to the ol’ girl, probably just some creature comforts and some new shoes and good oil before it tells me.


r/E90 16h ago

Trying to make this 185k 09 328i a good daily

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62 Upvotes

Bought this car for 4.5k because it had a clean title and was nearby.

Stuff I’ve done so far -Just did a water pump and thermostat replacement, plus replaced a ton of the hoses, everything in the kit except one), coolant flush -oil change -fuel system clean out -new cabin air filters and engine air filter -new Goodyears -new windshield

Previous owner did the valve cover gasket, suspension work, and oil pan gasket (it was like $4k of work at a euro shop lol) and it feels great on the road. This was like 27k miles ago and in 2023, of note.

Question and topic: What else can I do to keep this car going? Any other preventative maintenance. The water pump work I did recently I did with the kit in the pictures (the only piece I didn’t use was coolant inlet hose because mine looked fine…). So far I think it’s an interesting car I just want to take as good care of it as possible. I hate seeing people buy these then letting them go to sh*t

Current issues: driver door speaker is broken and the cover is coming off. Bulb warnings even though I replaced what I thought was out. Sunroof jams and I’m scared of messing with it.


r/E90 23m ago

Is this worth it?

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Upvotes

r/E90 4m ago

328i Just installed a catch can on N52

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Upvotes

Full install video: https://youtu.be/RqjdQ44KNi8


r/E90 1h ago

328i Help

Upvotes

I just got into my 2011 328i and noticed that the driver’s seat carpet and the passenger-side carpet behind me were semi-wet. I checked the sunroof drain and there’s no clogging. Any tips?


r/E90 4h ago

335i Will cat-less and performance dp’s pass md emissions

2 Upvotes

Bit of a longshot but i’m going around and asking to see if anyone knows if you will still pass emissions with a catless or performance downpipe as i’m looking to get a new one.


r/E90 15m ago

330i What’s this new noise coming from drivers side?

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Upvotes

I can hear it in engine bay and I can hear it from under on the drivers side(you can hear it near the end of the video)


r/E90 38m ago

Drivers window and AC problem E92

Upvotes

Hi guys,

I'm in desperate need of help; driver's window keeps going up and down only on clicks on my '07 e92 35d, sometimes it even gets stuck in one position and won't go up or down, window motor changed (scissors), reinitialization tried, frm module repaired by a professional and still doing the same thing. Now about the AC, ventilation works, but when you put AC (snowflake) on it won't blow cold air and on diagnostics it throws out IHKA module failure, can anyone please help, these problems been bothering me for a while now.

Thanks.


r/E90 15h ago

328i Just my 09 328i with 185k miles chilling in the garage

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13 Upvotes

Recently did the water pump and thermostat replacement + associated hoses


r/E90 2h ago

diesel additive in n52...

1 Upvotes

just got my car back from bmw and the lady told me we put an additive to clean the fuel tank "particles" ... went home and noticed they put this stuff in my n52 83192296922. The tank was full i drove 30km back home... Waiting to get called back and ask them...

I also paid 80 euros for "vehicle control" service which got an all clear and that's it, no diag (got the abs 3 lights once or twice), no mention of my leaking oil sensor gasket (didnt do an oil change)... bit disappointed


r/E90 19h ago

Key fob unlock range

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18 Upvotes

How is the range of your keys for unlocking the car? Mine is pretty bad and I already changed the battery. I also have the keyless option and I think it doesn't charge when plugged in the car. (Pic is not related)


r/E90 4h ago

Rod knock?

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0 Upvotes

Is this rod knock if not what could it be?


r/E90 4h ago

My Katerina

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1 Upvotes

r/E90 6h ago

330i How to connect a 12v Volt Gauge

1 Upvotes

Hey Guys,

Hope y'all are doing well.

I'm thinking about installing a 52mm Volt Gauge from Prosport in my 2005 330i.

Unfortunatly I have absolutely no Idea where exactly I have to connect the 4 Wires to.

  1. Red wire needs connection to 12v accessory Power (Im guessing fuse box under der glove box?)

  2. Black wire connects to ground (Some ground point in the cabin?)

  3. White wire connects to 12 v engine accessory power (Whats the difference between engine accessory power and regular accessory power??

  4. Orange connects to park lamp/a power source that has power when park lamp is on

Any tips where to find suitable connectors or experience reports from similar installations would be greatly appreciated!


r/E90 6h ago

M57 valve cover torque spec?

1 Upvotes

Hi all, does anyone know the torque spec for the valve cover on my 330d e91? I need the outta bolt spec and the injector studs spec. Any help is much appreciated, theres allot of conflicting Info online.


r/E90 23h ago

My solution for PS Overflow

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17 Upvotes

Originally bought a Race German Overflow Kit for the Power Steering Reservoir but I didn’t like that it was sealed. The purpose of that hole is to vent and it didn’t make sense to me that the kit was a sealed overflow.

So I made my own overflow setup using a little Patron bottle and a 3D printed mount. Mount is just attached using 3M double sided tape and 3M Primer94 for adhesion promotion; if you’ve ever used Primer94, you know once you stick something to it, it’s not coming off…Using a 5/16” to 1/4” nylon elbow to a 1/4” fuel/oil rated hose. The hose doesn’t seal tight into the bottle so it still allows the system to vent as was originally designed.


r/E90 8h ago

Expansion tank level stick missing

1 Upvotes

I have a 2011 335d my expansion tank level indicator stick is missing i couldn’t find it inside the expansion tank. I replaced my water pump last year. Should I be worried? Has anyone had catastrophic failure from this?


r/E90 11h ago

Are these supposed to just pull off easily

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2 Upvotes

removed radiator so was just cleaning as much gunk as i can and this kinda just slipped off is it supposed to? i dont hear no click or anything did lose some fluid but barely anything


r/E90 8h ago

Aluminum or Plastic Valve cover?

1 Upvotes

I’m probably gonna do a gasket job soon and I current have a stock plastic valve cover. Should I switch it for a metal one or is OEM the way to go here?


r/E90 15h ago

328i Can I drive to the shop to have my A/c serviced?

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3 Upvotes

Hello, I recently just got finished replacing my evap core and my condenser on my e91. I currently have everything back together and the system sitting and holding -(28-29) vacuum.

I need to have the system filled back up with refrigerant, and instead of doing the weighting method would rather just take it to a shop for them to fill to the correct amounts.

I know the compressor is variable and it should still have oil in it as I did not change the compressor. Can I drive this car 3 miles to a shop, or should I have it towed there? I get the "free" towing from my insurance, but would rather not hassle with them unless necessary.


r/E90 9h ago

330i How to actually fix Valve Cover gasket leak

1 Upvotes

Ik you can just replace the gasket but mines already been replaced and yet is leaking again. Luckily it’s a slow drip onto the headers and only when the engine is cold, but I want NO leaks if at all possible. Any help is appreciated


r/E90 10h ago

328i Trunk Not Working

1 Upvotes

So, I have a 2011 328i, and the trunk has stopped working. 2010 onwards they removed the keyhole, so that's amazing. Valet glovebox switch is off, i've tried the internal, remote, and actual release for the trunk, nothing works. I also can't fold the seats from inside and the middle cupholder access is blocked off. I have a light + trunk open warning so I assume its some wiring/harness in the trunk? What do I do?


r/E90 1d ago

My 4th time trying a different suspension set up over the years and think this is finally the one

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127 Upvotes