a luxury German auto & motorcycle maker producing such vehicles as 330i, 540i & x5

learn more… | top users | synonyms

13
votes
6answers
22k views

Does a timing chain need maintenance?

Does a timing chain (as opposed to timing belt) need any specific maintenance? In particular I'm talking about a BMW Z4
1
vote
2answers
74 views

BMW e46 AC intake location(s)

Is the intake for the air conditioning unit the same (i.e. under the hood near the windshield wipers) as the regular cabin air intake? What about in recirculation mode?
3
votes
1answer
192 views

Car won't start in the cold

everyone! I've googled about this issue, but couldn't find much info. I hope that someone could help. I have cold start issue below -10C(14F). If it just -10C it harder to star, but if temperature ...
2
votes
2answers
170 views

Car still burning oil after replacing head gasket and rings; what's next?

I have a 1991 BMW e34 525i with 374,000 km which burns oil. I don't have any leaks, and I have little smoke when I go uphill and accelerate. I have replaced the cylinder head gasket set and the ...
0
votes
1answer
55 views

BMW M41 cold start problems

I have sometimes this problem: http://www.youtube.com/watch?v=wvpjEdGH8-A The engine coughs for a long time before starting ... I don't understand why, because, sometimes, with the same cold ...
2
votes
4answers
3k views

Oil pressure warning light stays on longer after oil change in BMW 320d E46

I have changed the oil a couple of days ago, and I've noticed that the low oil pressure light stays on longer than normal. Normally, it goes out almost immediately (<1s) after starting the engine, ...
1
vote
2answers
11k views

Are 320d/520d N47 engines made after March 2011 still susceptible to timing chain failure?

I've read all about the dreaded timing chain failure on 320d/520d BMWs with N47 engines manufactured between 2007 and 2011. I wanted to know if models after March 2011 (when they supposedly changed ...
1
vote
2answers
72 views

Where is the e46 AC drain hose located?

I've tried looking online, but I can't find a description and the images are too zoomed-in to tell exactly where the AC drain hose is. Another problem is that the hose might vary between generations. ...
6
votes
2answers
884 views

Bmw E46: strange problems with automatically closing windows and broken light warning

I have had a couple of strange problems and I can't really make sense of it. When I parked the car, I locked the doors as always with the windows closed (I am absolutely sure about this; it was ...
2
votes
0answers
62 views

Engine on BMW G650GS 2011 does not start when it's hot

I have a rather strange problem with my BMW G650GS. In the morning, when the engine is cold, it starts fine with a single crank. There is no problem with riding, the engine works fine and never ...
2
votes
2answers
113 views

BMW 320Ci (E46) flat battery, caused by light?

I just bought a second hand manual BMW 320Ci yesterday, and after driving around in the backyard for 15mins this morning, I found I have a flat battery this evening. The engine won't start and I can ...
2
votes
1answer
33 views

Is vehicle's fluid level monitoring the best way to detect all leaks?

I did an oil change for my friend's car and the mechanic was trying to convince me that it is leaking oil and brake fluid. He suggested that the car needs a costly repair (~$1400). While I don't have ...
2
votes
0answers
63 views

AC suddenly stopped working?

After few hours driving in town with a lot of traffic my AC was working fine, keeping low temperature inside. Then I had to stop the engine for few minutes and when I turned it on, although the AC ...
1
vote
5answers
14k views

Can I get bluetooth music enabled in my 2009 BMW 528i?

I just bought a 2009 BMW 528i. It’s my understanding that the car doesn’t support A2DP which is a technology that would allow me to connect to my stereo system via Bluetooth and stream music ...
4
votes
2answers
5k views

Clutch pedal suddenly doesn't go deep enough to engage gears

I was driving normally (no problems, everything going smoothly; never had felt any problems with the clutch, was catching on well etc.) and all of a sudden, with no warning sign or anything (no shock, ...
2
votes
3answers
93 views

Urgent! BMW 318i 2007 E90 Heating Up

I've BMW 318i E90 2007 which is heating up after about 2-3 miles and since it has been heating so quick esp in down town and low speeds, I have not had a chance to take it to highways. Now, there are ...
2
votes
1answer
51 views

How to know BMW e46 AC type

Apparently there are two types of air conditioning units - IHKR and IHKA - in BMW e39's. I'm curious whether there are different types in e46's and, if so, how do I find out?
2
votes
4answers
155 views

BMW e46 cabin air vent smells

The cabin vents smell like mold and mildew. It's worse during humid days. I'm pretty sure the AC has something to do with it (since it smells bad when I turn the AC off and keep the fans blowing) but ...
1
vote
1answer
49 views

BMW e46 problems after Lysol in air intake

I was spraying Lysol into the cabin air intake (not the engine intake) right under windshield wipers while running the fans, and after doing this for several minutes (fans on the whole time, Lysol ...
1
vote
2answers
4k views

Misfire the next morning if car runs only for 15 seconds

So I had this gremlin in my wife's BMW 330i for at least 4 years. The car runs great but once in a while you would start it in the morning and the engine would sound rough with some shaking. After few ...
1
vote
1answer
40 views

Will my tyres fit?

I currently have 225/50R16 run flat tyres on my BMW 3 series 320d E90 (2006) and I am looking to get some new alloys. I'm looking at getting 16 Inch BBS SR alloys. They have a width of 7J and an ...
4
votes
2answers
71 views

Is it common for ECU's to maintain individual limit maps for each knock sensor?

Preamble I'm in the process of interpreting my BMW M5's ECU binary with the aid of some nifty scripting and rather informative forum posts. One of the things I've found is that there are knock limit ...
5
votes
1answer
74 views

What is the Carter Gas Filter for?

I'm confused with this, are there any combustion gasses in the carter and why do they need to be filtered? What is the Carter gas filter, where is it located and what is its use? Is there a way to ...
4
votes
4answers
485 views

BMW E90 M47TU2 EGR clean

I have a BMW E90 2007 with a M47TU2 engine, Can anyone tell me where the EGR valve is, how to get it off and how to clean it (with what?) Thanks
10
votes
1answer
1k views

How do I find the correct pins in a CAN-BUS connector?

This question might be too technical for this forum, but I'll give it a go. I have a 2012 BMW R1200R motorcycle with CAN-BUS. I'd like to make an Arduino interface to the connector on the bike, but I ...
2
votes
1answer
71 views

Rough idle in neutral

I have a 6-speed 2012 135i, and whenever I idle in neutral, the car vibrates and makes a noise that I can only describe as sort of a faint grinding sound (it doesn't actually sound as bad as that ...
1
vote
1answer
75 views

BMW 530i Navigation software

My friend has bought a BMW 530i from 2004, manufactured in Germany. The original navigation system installation disk is broken. I wounder if it can be downloaded, burnt to a cd/dvd and installed into ...
5
votes
2answers
683 views

BMW 530xd E60 2008 diesel possibly fuel pump problem

Car details: BMW 530xd E60 2008-05 Diesel 170kw. The pump is working as it should be, it has been tested in BMW center. Problem is, when I turn the ignition on, the check engine light doesn't come ...
6
votes
3answers
42k views

What is the difference between BMW 318i, 320i, 325i etc?

I'm wondering what the difference is between the different model numbers in the BMW 3-series. Also, what is the difference between the E30, E36 and E46?
4
votes
1answer
169 views

My car doesn't leak oil but I have to tap it off every 500 miles

I am in a really weird situation. I have a BMW 325i(2002). I bought it second hand and I have been driving it for 5 years. Now, lately I have been having to tap my oil every 500 miles with 2 quarts. ...
2
votes
1answer
146 views

E46 Check engine light on at high altitude

In my E46 BMW, the yellow check engine light always turns on when visiting Lake Tahoe (altitude ranging from 6000-8000 feet). It usually turns off if I've been there for a couple days. After many ...
4
votes
1answer
98 views

E46 engine chirps when idling in the morning

The title pretty much sums it up. If I haven't driven the car in a few days, the BMW E46 engine makes a faint chirp for about 30 seconds when I start up the engine. It's more like a rapid chirp, as ...
6
votes
2answers
1k views

Why are my wires melting together?

I'm currently neck deep in an eletrical shortage issue with my BMW 316i. I found the wires that are blowing my fuses, and it's bad. Like at least 5ft of 8 or more wires fused together behind my ...
6
votes
2answers
99 views

Why aren't my “street performance” pads performing well on the street?

Background I drive a 1989 BMW 325i, and a few months ago I got a brake lining warning light. I gladly took the opportunity to upgrade from OEM rotors and pads to nice, shiny, new cross-drilled and ...
3
votes
2answers
237 views

BMW e36 wont maintain idle

A friend has an e36 that wont maintain idle. The car is driveable but coughs and stops when idling. I've checked the air box and boot and they are in good condition - no leaks. I think spark and ...
3
votes
1answer
888 views

Mechanic Troubles And A Small Watery Oil Leak

My car is a 2005 BMW 525i E60 with about 180,000km on the clock. It has been well looked after and serviced. I don't get dealer services, but go to a mechanic who has always been good and uses the ...
1
vote
0answers
142 views

BMW 320i 1992 Gearbox in Sports Mode

My cas is a BMW e36 320i, with an automatic gear box. The gearbox has three modes, Economic, Sports and ICE. When in Economic mode, The gearbox switches smoothly between the 5 speeds, however, the ...
1
vote
1answer
312 views

No sound from audio set in BMW7 (E38)

My 95' BMW E38 recently broke down its audio system. I can't hear anything from radio or CD set. It is difficult to find the cause. I even tried connecting only amplifier and radio module (no luck). ...
5
votes
3answers
2k views

Jack points for a 2003 BMW 325i

So I know about the 4 rubber pads on the sides of the car. They make really stable points for my jack stands. Problem is getting my jack stands under the pads if I'm using them to prop up the car. The ...
4
votes
3answers
674 views

BMW e36 320i motor looses power significantly out of a sudden

I have a 1992 BMW e36 320i, when i start in the morning, or in cold weather, the cars functions normally and has a lot of power. However, after a little, or when the weather is hot, the car ...
2
votes
1answer
1k views

Correct procedure and cost repair BMW timing chain (BMW 318ti)

I was looking to buy a used BMW and realised that the one I liked has timing chain. I am more used to timing belts and know that they cost about £200 ($320) to replace. However, I don't have any ...
2
votes
3answers
124 views

Can I put a regular lead acid battery in place of a gel battery in a BMW R110RT?

I just got a 2000 BMW R1100RT and the previous owner told me the battery is 7 years old so I figure it's time to go. I saw this video https://www.youtube.com/watch?v=XEBjekqUV9c and the guy points ...
6
votes
2answers
2k views

BMW 530xd e60 2008 diesel engine turns but won't start

I have a problem with my BMW, just bought it, previous owner hasn't been facing such problems. When the engine is cold for e.g.: after night. Outside temperature is about -4 to +1 degree, engine won't ...
0
votes
2answers
270 views

Modifying BMW 1.16i to have more horsepower

I'm planning to increase the horsepower of my BMW 1.16i along with some additional make-up modifications. If I'll be making the horsepower upgrade, it will happen using the official software from ...
2
votes
1answer
95 views

BMW | Engine Struggles and Overheats

I had a problem with the coolant light going on for few minutes after running the car from a cold engine and then it would turn off by itself. I took it to the mechanic and they added coolant and, ...
0
votes
0answers
100 views

Car is heating while Coolant Temp Sensor is normal

I bought a BMW 318i and the car heated twice so far while the coolant temperature sensor is normal. If we exclude the possibility that the sensor is malfunctioning, what problem would cause the ...
-1
votes
3answers
94 views

Drove up a curb in my '94 525i bmw and took a chunk out of the sidewalk

Immediately after going up the curb i put the car into reverse, and then park where i then turned the engine off as quickly as possible. Four of the fan's blade broke off, front right blinker popped ...
0
votes
2answers
1k views

BMW 320i e36 VS BMW 325i e36 [closed]

What are the difference between a BMW 320i e36 and BMW 325i e36, Does the 325 engine offer much more power than the 320 engine, what are the Pros and Cons of each one, Thanks
3
votes
3answers
471 views

Adding cruise control to BMW without electronic throttle control

I don't know very much about throttle bodies and stuff, but I do have an interesting question: I just bought a 2000 BMW 323i with the M52TU engine. It would seem that this specific year does not have ...
0
votes
1answer
53 views

Does my BMW e36 320i 1992 have a Gearbox cooler

Does the BMW e36 come equipped with gearbox coolers, if not, can I install one. Thanks