BMW Cars & Trucks - Recent Questions, Troubleshooting & Support

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Would it be a bad idea to buy a waterpump for my 2012 bmw 535i from a bmw scrap yard

the labor to remove and install pump is the same for new or used.. I would buy a new pump however it is your money.
2/7/2023 2:48:28 AM • BMW Cars &... • Answered Yesterday
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2004 bmw 318 ti cranks, buT won't start!

I have two ideas on this. Have you disconnected the battery or had it drain flat recently? It may be the anti-theft immobilizer, and needs resetting. Having said that, the second video shows how to reset all the modules and it just starts right up! https://www.google.com/search?q=2004+bmw+318+reset+security+system Or the fuel pump isn't creating enough pressure. You can test with a gauge borrowed from Autozone..
1/31/2023 10:11:51 PM • BMW Cars &... • Answered on Jan 31, 2023
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2002 Xi. Has bank 1 & 2 fuel trim control limit codes but why does it show 0 on short and long term fuel trim?

it means the 02 sensors are dead. (them or worse) 62 seems way way too high , the service manual tell you spec on this keyon,, idle and WOT, pressure spec, only that matters as does injector leakdown tests and injector balance tests. learn this the O2 sensors can only do a fine tune on fuel. if there are exhaust leaks, o2 lie if there are stuck head valves 02 lie (each slug of air does that) gross misfiring, P017x codes trim error.s that means the PCM can not do trim at all. the engine hot is not in closed loop as it must be. for this above reasons. no vin told no country told no full engine spec name told at all no service manual to read for sure injection and pressure test. and FPR tests for proper regulation at all engine loads. cant be done blind, zero books./ 5 engine there are for 325i no 325XI, 2.5L engine gas. the new FPR page shows 51PSI not not 62 FPR has 4 nippples n it, 2 for fuel and 1 vacuum it seems if I am right on this FPR, there are 3 pressures to test, keyon, idle and WOT vacuum in the plenum does that and is engine load. at key on and wot psi is highes and idle lowest. and is in the manual and my one line BMW pages stinks to high heaven. zero FPRR chapters there, sadly here is fprif vac hose 4 falls off PSI is max. due to vac MIN>port 1,2,3 , one is pump input, one is to rails and one is return to tank line my best guess. which one is which IDK. rail pressure is what matters,key on pressure is highest and idle is lowest.if not fuel trim fails hard. no 02 can cure insane high fuel pressure. the PSI drop is about 5psi.sorry i do not have the real service manuals5 psi less than atmospheric pressure (keyon) also called "constant differential pressure" on the injector and FPR does that magic. on newer cars have FPR sensor and can correct pump or FPR errors. but not yours.fpr-undefined-undefined-0.jpg
1/31/2023 7:11:25 PM • BMW 325i Cars &... • Answered on Jan 31, 2023
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2012 BMW 535i losing all my water but not overheating?

If your 2012 BMW 535i is losing all of its water but not overheating, there could be a few possible causes:
  1. Leak in the coolant system: The coolant system of your car may have a leak, which is allowing the water to escape. This could be caused by a faulty radiator, a leaking hose or a cracked engine block.
  2. Evaporative loss: In some cases, the water may be evaporating due to high temperatures. This is common when driving in hot weather, and it can be caused by a malfunctioning pressure cap or a faulty radiator cap.
  3. Leak in the water pump: The water pump may be leaking, causing the water to escape from the coolant system.
  4. Leak in the head gasket: A leak in the head gasket can allow coolant to leak into the engine oil, causing the water to disappear.
1/24/2023 7:07:44 PM • BMW Cars &... • Answered on Jan 24, 2023
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2012 bmw 535i driving on the hwy and all of sudden I loose power pulled over n it came right back on

You need to have it checked for error codes. You could get tailended if power drops unexpectedly. Without the codes, it could be anything from a bad fuel filter to a failed transmission.
1/24/2023 1:14:20 AM • BMW Cars &... • Answered on Jan 24, 2023
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Which fuse disconnects the hazard lights for 2002 bmw 325ci

NO VIN TOLD . 2002 bmw 325ci e46? the dealer of this car asks for the VIN or no books or service parts, sold, to you, see whY/.???????? nor manuals my online source has no lighting chapters. users guide does not cover this. service manual at dealer does. buy one?
1/23/2023 1:41:03 PM • BMW Cars &... • Answered on Jan 23, 2023
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2005 bmw x5 3.0i misfire in 1, 3, 5

USA spec car no not? no country of VIN told so answers can be big time wrong, ok? sure get a shop to fix it they have tools you don;'t have. 3.0L is inline 6? called L6 is this car with coil pack that does more than one spark wire? or have 6, COP spark coils, (all I can do is guess) or USA has 6 COPS we check compression first, x6. got cam timing chain NOISE? I guess changed word mean replaced, with new COP coil? well; engine is first , the spark then fuel injector do DTC P0301 was set, and is still set this error, be specific on DTC errors, even tell them. 301 means weak combustion on #1
  • bad cylinder compression
  • bad spark
  • or #1 injector is bad.
why 3 and 5 fails and all are odd cylinders./ is odd but I suspect VVT problems./ no mileage on the engine told. 300k 400k?
1/21/2023 6:12:23 PM • BMW Cars &... • Answered on Jan 21, 2023
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Bmw e90 fuel

YOUR BATTERY SAFTEY TERMINAL MOST LIKELY BLEW (ON POSITIVE BATTERY CABLE ON RIGHT SIDE OF TRUNK). NEEDS TO BE REPLACED. SEE A DEALER.
1/10/2023 8:03:54 PM • 2003 BMW 325 • Answered on Jan 10, 2023
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I just had my ac compresser replaced in my bmw e90 320i 2005 and now its saying to check engine please help is there a sensor that may need replacing

run the fault codes to see what put the engine light on engine lights operate for engine faults and transmission faults during the ac repair , a wire could have become disconnected Consider it as a unrelated problem to the AC
1/10/2023 7:54:47 PM • BMW Cars &... • Answered on Jan 10, 2023
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I need to know the harness wire color of o2 sensor bank 1sensor 1 bmw 2008

Hi, Please use the catalog from the advanced autoparts website or Mcmaster-Carr catalog in order to identify the product and then have access to the particular wire that you're looking for. You might use both resources just to ensure that the color isn't picked at random depending on the source of the part creation. Thank you.
1/4/2023 5:38:23 AM • BMW Cars &... • Answered on Jan 04, 2023
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I have a 2006 BMW X5 4.4i and I would like to know 1- can this system bypass the immobilizer or 2- reset the computer so I can get it started.

The answer is No to both questions. The security system and immobilizer is there to stop exactly what you are trying to do, start the car without the correct credentials. You can't reprogram computers (ECM and BCM) and the security modules and sensors. You have to fix the issue not find away around it. The immobilizer on that vehicle needs a code. https://www.google.com/search?q=2006+BMW+X5+reset+security ..
1/3/2023 7:25:56 PM • BMW Cars &... • Answered on Jan 03, 2023
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2003 BMW X5 4.4i serpentine

12/31/2022 12:44:46 AM • BMW X5 Series... • Answered on Dec 31, 2022
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2007 bmw series 525 code 4f97 what's this code

Hi this could point to either low oil in your gear box, or a faulty speed sensor, if you have a oil leak on the transmission this would come up, but also if the speed sensor also on the transmission is faulty you would get this code.. hope this helps
12/29/2022 10:36:18 PM • BMW 525 Cars &... • Answered on Dec 29, 2022
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No returning petrol on a bmw e30 323i spitronics titan management system i hav a inline pump wit pressure regulator

Hello. Either your B.M.W. doesn't have a return fuel line or, if it does, that line is blocked/restricted. The latter isn't likely because the engine might 'flood' with gas, making it hard to start/run. Keep me informed; if you want to.
12/25/2022 6:09:56 PM • BMW Cars &... • Answered on Dec 25, 2022
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Viper CE0890 Remote Starter randomly starts up every day between 2:30 and 3:00pm. How do I get it to stop in my 2003 BMW 330Xi please?

Question edited for clarity. Take it back to the installer at 2:00pm and he can use his pro grade scan tool computer to record what happens. It may be electronic interference from something nearby that starts up during that time. https://www.google.com/search?q=Viper+CE0890+Remote+Starter+randomly+starts+up ..
12/23/2022 9:09:40 PM • BMW Cars &... • Answered on Dec 23, 2022
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I have a BMW 323i and the Check Engine Light came on last night a 1/4 mile from home. Made it home okay, but today the car won't turn over. Nothing at all.

Question edited to add maker. Question moved to model category. All your issues are electronic. The clicking and lights flashing and not starting makes me think it is the security system that is the problem. You need an auto electrician with a pro grade scan tool computer to diagnose. You have many issues by the sound of it.
12/23/2022 1:43:47 AM • BMW 323i Cars &... • Answered on Dec 23, 2022
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How to replace jammed ignition lock cylinder

I had a jammed vauxhall ignition and used a mobile auto locksmith
12/22/2022 12:25:41 PM • 2003 BMW 330 • Answered on Dec 22, 2022
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Where the location of trans speed sensor on 2002 x5 bmw

On the outside case of the transmission.
12/20/2022 12:30:37 PM • BMW Cars &... • Answered on Dec 20, 2022
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