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

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17
votes
1answer
764 views

LTFT and STFT values are off and don't make sense

Car is a 2015 BMW M5 and it has an aftermarket CAI and a catback (slip on) exhaust. No other performance mods or tunes. About 6-7 months ago, I bought a Kiwi OBD-II reader, simply out of curiosity ...
16
votes
6answers
35k 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
15
votes
1answer
2k 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 ...
13
votes
2answers
825 views

How do I drain the brake fluid for a 1999 BMW K1200RS?

I need to drain the brake fluid for my 1999 BMW K1200RS with ABS in order to do some minor service on the Master Cylinder, but I don't have a service manual for the bike. How should I go about doing ...
13
votes
1answer
274 views

Engine noise / rattle when clutch is fully pressed [BMW 320d e46, manual]

I have a strange noise, like a rattling/stomping sound at idle, when pressing the clutch pedal. The clutch and the flywheel (DMF), were both changed with new parts. Except for that sound, the car ...
12
votes
3answers
904 views

Cold air intake causing rich condition

This is a follow up question to my initial question which can be found here : LTFT and STFT values are off and don't make sense Car is a 2015 F10 M5 Mods : Cold air intake, aftermarket rear ...
12
votes
4answers
4k views

Gasoline is dripping out of a rubber tube outputting on the bottom of my motorcycle - is this normal, or is it a problem?

What bike? A BMW 650, 1996 model. What's the problem? I noticed a slow, but steady, drip of gasoline from one of two rubber tubes that output to the bottom of the bike. I think the other rubber ...
10
votes
3answers
750 views

Change in exhaust note after extreme backfires--what did I break?

I had quite a morning with my 1986 BMW K75 this weekend. The plan was to ride the bike to a friends house to store it for the winter. The weather was pretty cold on this particular morning, perhaps ...
9
votes
3answers
75k 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?
9
votes
1answer
766 views

What's the difference between BMW 320i SE and Non SE?

My Dad gave us a car, but we don't know the exact model of it. We know that it's a BMW 320i imported from Japan. The year is 2006. There's a letter "M" on the steering wheel. Some pictures: ...
9
votes
1answer
193 views

What is this panel on the front of BMWs for?

I know the panels circled in yellow are headlight washers and exist on many cars now. However, on several BMWs I have noticed an extra panel, circled in red. It is not symmetric and I have only ...
9
votes
2answers
67 views

Losing coolant fast after just fixing radiator

I have just got my coolant tank and radiator replaced after a leak in the radiator and a cracked coolant tank. I filled the coolant tank last month and now it is nearly empty. I am just wondering if ...
8
votes
3answers
710 views

2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug

Sometimes when my cell phone is on charge in my 2007 BMW Z4 before I start it, nothing happens when I turn the key. The car is acting like it, as if I did not have the clutch pushed in - the key ...
8
votes
1answer
155 views

BMW M52 coolant refilling

I have a BMW 328 -98, or in other words, an E36 with the M52 engine. I cannot for the life of me understand how the coolant system works on this engine, and therefore not how to properly top it up ...
8
votes
1answer
123 views

Disconnected wires near battery in BMW e46

I noticed a disconnected wire dangling next to the battery in the trunk of my 2005 BMW 330ci. It was actually a red and blue wire that veered off from the thick red one in the middle of the image. ...
7
votes
2answers
288 views

Distinguishing between mechanical and electrical failure in ignition diagnosis

After a month and a half of not driving the car, yesterday I tried to turn it on, however the only sound that I heard was the rotation of the starter, which is not engaging the flywheel (the engine is ...
7
votes
2answers
34 views

93 325i E36 - help with tires

So I have 2 different rims in the back. One is wide and the other is thinner, along with two different size tires. It pulls hard to the left. Is there a way to fix this without having to get ...
7
votes
1answer
69 views

BMW 1 Series (2016) Bumper Repair

I recently got a new BMW 1 Series 116D (2016) on a 4 year PCP deal. A week in, I've managed to scratch the bumper. Although it's a minor dink, I don't want there to be any risk of it devaluing the ...
7
votes
1answer
150 views

Car can't start after rocker gasket change

I have a 2008 BMW 120d LCI with N47 engine. Recently was diagnosed with some oil leak on the rocker gasket near the injector area. Were advised to change the rocker gasket seals. So I did change the ...
7
votes
2answers
151 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 ...
6
votes
4answers
287 views

What is a shock absorber?

I was told that I need to replace the shock absorber in my 1992 316i BMW. When I attempt to visit a web site to order the part it does not list any of parts with this name. I know nothing about cars ...
6
votes
2answers
352 views

Identify that part of my S56 BMW M Coupe

There is a driveline component with a rubber shock absorption ring in it. It sits between the tranny and driveshaft. I cannot remember the name of this component. Does someone know the name of ...
6
votes
5answers
879 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 ...
6
votes
2answers
137 views

AirbBag and 4x4 light is on after changing BMW X3 battery. Why?

After I changed my BMW X3 2008 battery at home the 4x4 and AirBag light is on. Any ideas why? Some people claim that changing BMW x3 battery is not straight forward, however, they don't explicitly ...
6
votes
2answers
2k 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
3answers
337 views

Car stored for 6 months shows low oil level after 300 miles

Just bought a car from a BMW dealer and the guy told me it was sitting for almost 6 months before I came to purchase it. When I left the dealership the oil was above the min mark showing green. Drove ...
6
votes
3answers
3k 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 ...
6
votes
2answers
1k 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 ...
6
votes
2answers
109 views

Car idles rough and makes rattling sound in neutral

I recently replaced the clutch in my 2000 E39 M5 with a stage 4 rigid hub 6 puck MIBA disc, high load self adjusting pressure plate (re-used allen bolts, torqued to "feels just slightly tighter than ...
6
votes
1answer
69 views

BMW E90 pre facelift - REST heat button / fuse

In my E90 I have a REST button: It seems not to work, when I press it, the LED won't light and the heating won't work. Could this be a defect fuse? And if yes, which one (could it be 15 and/or 67)? ...
6
votes
4answers
738 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, howto clean it and what cleaning materials are required. Thanks
6
votes
2answers
3k 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 ...
5
votes
3answers
180 views

Can the warning chime tone of a 2007 BMW 525i be changed, or shortened somehow?

Can the warning chime tone of a 2007 BMW 525i be changed, or shortened somehow? The chime of this car comes from the computer and is used for most warnings such as seatbelt, temperature, door-open, ...
5
votes
3answers
16k views

How to determine if a wheel is bent

My E46 M3 vibrates moderately at highway speeds (> 60 MPH), but it can can only really be felt through the seat, and not through the steering wheel. My guess is that a wheel is bent (out of round) or ...
5
votes
2answers
4k views

Power steering noise that goes away

My e46 M3 is making the tell-tale whining and groaning of a power steering pump that is either out of PS oil, or gasping it's last breath. The oil level is fine, so I immediately jumped to the ...
5
votes
2answers
77 views

Car rattles at low RPM

I have a 2002 E39 BMW. The car gives a rattling noise when rolling at low rpm with the clutch engaged in any gear. The noise goes away if I add a little gas or depress the clutch any idea what ...
5
votes
2answers
2k views

BMW 330D 2001 E46 Turbo Charger not working as expected after changing

I have a problem with my car. My car: BMW 330D, 135kw, 2001 year, E46. A week ago my turbo charger got broken when I was driving. There was a lot of white smoke going out of exhaust and there was ...
5
votes
2answers
66 views

Car gives knocking noise from front during braking

I have a 2002 BMW E39, the car gives a knocking noise when braking, which can be felt and heard from the front. Outside it is much louder than inside. Could this be caused by a rotten brake dust ...
5
votes
2answers
97 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
2answers
103 views

Exhaust Backpressure and Its Impact on LTFT Values

This is a follow-up from my initial question which can be found here : LTFT and STFT values are off and don't make sense. Car : BMW 2015 F10 M5 Modifications : Eisenmann Race Catback Exhaust, ...
5
votes
1answer
180 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 ...
5
votes
1answer
139 views

BMW E60 (525d M Sport 2005 UK). Cranking but not starting. Fuel Pump/Relay issue?

Background: Long term bad earth problem has been causing iDrive to crash and reboot for years. Bad earth seems to drain the life of the battery over a period of a few years. On my 3rd battery now. ...
5
votes
1answer
185 views

accidentally placed oil in the atf reservoir in a BMW 520d. How do I fix it?

I accidentally placed engin oil in the atf reservoir in a BMW 520d. How do I fix it? I have to ask that what effect on my car and how i remove all the ATF oil and how to refil new oil. BMW E39, ...
5
votes
2answers
9k 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, ...
5
votes
1answer
157 views

How to reach bolt at the rear of BMW M41 Engine?

I can't manage to properly reach the top right screw (zoom picture of it on the second picture). How could I do that ? (the tool I have is too long to be able to go on the rear, there is nearly no ...
5
votes
2answers
1k 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 ...
5
votes
0answers
110 views

Car Audio wiring

BMW E46 Android head unit A little context: I have a head unit, that I want to have constant power through ACC. Basically, it's an android tablet customized for my car, but the manufacturer ...
4
votes
5answers
8k views

Power Steering Fluid for 1997 BMW 528i?

I'm pretty sure my power steering fluid is low (and may even be leaking). I got the car used and I've been told that this model of BMW doesn't use standard power steering fluid. Does anyone know ...
4
votes
3answers
82 views

2009 BMW 328i Crank but Won't Start

2009 BMW 328i (N91 Fuel pump) cranks but wont start, what I have checked thus far: Sprayed starter fuel inside the throttle body and it starts up. Verified proper voltage is being sent to the pump ...
4
votes
3answers
294 views

Do I have to reprogram the ABS module to fix the ABS light on 528i BMW?

I'm not sure if this is true but I've heard that in order to fix my ABS light, they have to remove the module and send it out to reprogram. Is this true?