r/335i

I drove about 500 km with this filter and decided to cut it open out of curiosity; here is what I found. The car is an N55 335i running Stage 2. The photo shows larger particles, but there is also a small amount of finer debris. Despite this, the engine runs perfectly; I’ve been driving like this for quite some time, and I always find similar particles in the filter.

Hi, my pwg N55 has this slight rattle just right before the engine starts that appears only on warm start ups. I do not notice it when cold starting. Has anyone ever resolved similar issue?

I’m putting together a single-turbo 2008 E92 335i N54 and already have the JackSpania forward-facing 90mm intake manifold with the included PI fuel rail.
I’m planning to run DW 750cc port injectors with a MOTIV ReFlex+ and already have a Precision Raceworks Stage 3 bucketed LPFP. My tuner has said the factory fuel lines are sufficient for my power goal, so I’m mainly trying to figure out the manifold/rail installation itself.
For anyone actually running this manifold or the identical Phoenix/eBay version:
What fittings/adapters did you use to connect the factory fuel feed to the supplied PI rail? Exact AN sizes/part numbers would be appreciated.
Does the supplied rail use standard injector dimensions and did DW 750cc injectors fit correctly without spacers/adapters?
Did you have any fuel-rail sealing or O-ring issues?
What fuel pressure are you running at the PI rail?
Did the manifold have any vacuum/boost leaks after installation? Any ports/plugs that needed resealing?
Does the 90mm throttle body cause any clearance issues with the radiator fan, charge piping, coolant reservoir, power-steering reservoir, or anything else in an E92?
What charge-pipe/coupler setup did you use to reach the forward-facing 90mm throttle body?
Did you retain the factory MAP/TMAP arrangement, and where did you mount the sensor?
How did you handle the brake-booster/vacuum connections and other factory vacuum connections?
Any modifications required for the wiring harness, PCV system, or catch-can routing?
What manifold gasket and mounting hardware did you use?
After running it for a while, have you had any cracking, loose fittings, boost leaks, or other reliability issues?
Pictures of the fuel-feed connection and installed manifold would be extremely helpful.

Hello this is my first post here but I desperately need some advice. I have a 2012 335i F30 with the n55 engine. When I accelerate I’m getting this really weird like sputtering noise that I can’t really describe (see videos) can anyone diagnose this or at least point me in the right direction? Thank you so much in advance. It seems to go away at high rpms but I’m not sure if that’s just the noise speeding up to the point where it blends in. It also only happens while my foot is on the accelerator. If I’m at middle rpms and let my foot off the noise instantly stops even while the rpms are still up.

My plan is to get new crank bolts new crank seal used OEM harmonic balancer and extract the bolts and install it all just worried if the crank hub damage will cause it to not sit properly anyone ever seen this before? Just don’t wanna lock the engine in TDC so trying to figure it out thanks.

I'm looking for something to lessen the power loss of the heatsoak after some aggressive driving, on an otherwise stock car, nothing special.

I have a 2008 E92 335i and I’m converting the front end to OEM M3 dimensions. I already have OEM-width carbon M3 front fenders and I’m getting an OEM E92 M3 front bumper. I’m keeping the stock 335i rear quarters.
I want to run M3-style side skirts/rocker panels made specifically for the non-M E92 335i, NOT genuine M3 skirts.
Has anyone actually run this combination?
Mainly wondering how the front of the 335i M3-style skirt lines up with the wider M3 front fender. Does it sit flush, or did you have to reshape/modify the front portion of the skirt?
Pictures would be really appreciated.

Here's my E93 work in progress, currently I'm installing down pipes, intercooler and doing some minor maintenance.

What are some key points to look out for?

I been replaced the MAF, unless it’s the charge pipe sensor that’s bad? Car stumbles a tiny bit on warm start ups.