Hi all, new guy here, my wife's 54 plate e46 has developed a tapping/rattling noise from the engine but its only noticeable above 1500/2000 rpm and not noticeable when on idle /not under load Anyone help as to what it could be?

Hello, I have a tricky one on my hands if anyone could help. My e46 wants to start and die when I’ve already ran it for a while and the engine is heated up. I can’t even keep it going with the throttle. I know the check engine light has been on the entire time I’ve owned the car, but I never...

Hello, So I drive a 330ci approx. 145k and of late have noticed a strange ticking coming from the engine bay while driving. The noise comes and goes with various levels of volume. It sometimes does come right away when starting the vehicle but usually comes after driving for a minute or two. I...

Hi everybody. A week ago my friend drove his E90 too hard and he said the rev count got into the rev zone at about 7500rpm. After that, he said the car drove very rough and the revs were fluctuating similar to a misfire. Just 2 days ago my friend drove it to my place of work gently and he said...

I'm so happy to finally have my dream car. It's a 2003 6-speed with 134k on it for about $16k. I'm excited to be a part of this community and I hope you guys can help me order my list and fill things in where you think they're needed. The car seems like it was taken care of. I can tell by the...

Hey everyone. I’m quite new to cars and i decided to buy this 2002 E46 330i. I checked underneath my car today after going down a driveway way too fast.. and found this hose just hanging there. Any clues on what this is and how i would fix this if it’s broken?

I recently did a turbo install on my 2004 325ci, m54, SMG, ms45.1 and I have run into the problem of knocking or loud pinging when at idle or cold, in addition to a very rough idle. Parts installed listed below. 35mm Bov Universal aluminum intercooler and 2.5inch piping. AEM boost gauge Oil...

Hi I just got a 1999 323i with 83 500km on it its started misfiring 4 days ago I changed the spark plug and swapped the coil pack around and the missfire was still on cylinder 1 I did a compression test here are the number 1/120 2/150 3/160 4/170 5/180 6/180 the car was running poorly I used sea...

Hello everyone, Just recently bought the BMW E46 2.2 petrol (170hp) from 2004. Atm got 97k miles at the clock. First day after I brought it for the diagnostics, there was no errors at the computer, but the mechanic discovered small oil leak from the top of engine which is causing that it sits...

Hi all, I’m new here and new to owning a E46, just picked a 2001 320D Touring up today, done 174k miles but with full service history, only paid £290, runs and drives spot on no smoke no unwanted noises etc, but I have noticed when I put the ignition on the engine light does not illuminate like...

Hello! Arriving at my house yesterday, i nticed that the expansion tank for the cooling system had way more pressure than usual. I let the car cool down, and i opened it ad checked. Found no rea issues there, other than the system having way to much pressure. After i checked that i looked at...

I Have a small hole/wear in my block where the air intake connects caused by a screw that was too long. Can this be repaired? Will this cause a vacuum leak? What should I do?

Hey guys, I have an 01 325Ci vert with 133k miles, and I want to get more power out of it. I want to keep the car for a long time and invest some money into it to restoration level and a bit of performance, but I am always questioning if I would think if it's worth it in the future (as I love my...

I am swapping am a production date 01/2002 engine to an 11/2002 engine (The first engine is dead). I know the valve cover is different and the A/C belt is as well. What else is different between the two? And is there a link to where BMW tells you exactly what is different? Thanks

I have an 04’ 325i auto. When I start my car in the morning I hear a knocking noise that seems to be coming from my engine, if I walk over to the exhaust, the car is stuttering and the knocking or popping sound is quite audible near the front. Also good to note that this mainly happens at the...

** FOR SALE ** BMW 325Ci E46 M54 B25 Engine (out of a 2001 325Ci not M3). Collection in person only. This has been taken from a 2001 3 SERIES with 325Ci coupe circa 150,000 Miles but may suit other models. The car has been owned by the same person since 2005, however it started to consume oil...

I need help, I bought this 2006 325ci Coupe with a blown head gasket for $800. It has a M54 engine and I pretty much have everything I need to repair it and the potentially stripped threads but I am seeing two options for head bolts on amazon. There are 95mm head bolts and then there are 110mm...

I'm looking into getting a 3.0L motor for my facelifted 325i, what cars can they come from since I know that the SUVs also had the same motors. Will any M54 work or does it have to come from a 3 series?

Ive had my 2004 bmw 330i zhp for about 3 years now, everything was running super good until one night when my headgasket decided it had enough. I got it looked at and found out the previous owner did work on it and messed up the tensioner threads and the headbolt threads. Machine work to fix...

My car is making this strange noise, anyone have an idea the cause? Belt, pulley, any other thoughts? Any help or comments are appreciated. Thanks.