Showing articles & questions for topic
550i

Hello there, thanks for writing in. I'd be happy to help. The symptoms you are experiencing can definitely be caused by a faulty crank sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor). If the crank sensor goes bad, or there is an issue with the wiring...

The crankshaft position sensor is located on the transmission bell housing on the passenger side. You have to remove a plastic splash guard that is attached with a Phillips head screwdriver. Remove the aluminum transmission guard with a 13 mm...

Grinding, squealing, or other "noise" on braking is usually related to a brake pad/rotor contact problem. These surfaces "mate" when you apply the brakes and if there is scoring on the rotor, rust, dirt, irregular wear on pad or rotor,...

When the vehicle's rims develop these type of cracks, they should be replaced immediately (https://www.yourmechanic.com/article/how-to-buy-good-quality-rims). The cracks can make the wheel unstable and should not be driven on until it is repaired. The most common causes of trims cracking in...

Hello there, a few different faults can cause this sort of problem. In most cases, with the steering wheel locking not shifting into park and the limp mode you have experienced. It would be more likely there is an electrical...

Hi Johnny. There are several components that can cause a low engine idle, and trigger the check engine light from idle control valves, throttle body itself, fuel injectors, mass air flow sensor and more. The light itself is activated when...

Hello - yes, Pentosin NF is suitable for your BMW. Zerex G-05 coolant is also a low phosphate coolant suitable for newer BMWs with all-aluminum engines. For assistance, I recommend an cooling system flush (https://www.yourmechanic.com/services/cooling-system-flush) performed by a mobile, professional...

Odds are, if you smell gas while cranking the engine, it's getting fuel. It's probably not getting spark. Common causes for no spark: Bad crankshaft sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement). Bad camshaft sensor (https://www.yourmechanic.com/services/camshaft-position-sensor-replacement). Bad engine control module. Shorted/broken wires (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection). The only...

Hello there. The tire issue is not uncommon for your vehicle. The 550i uses tires and wheels with lower profile sidewalls. These increase traction and handling at the cost that they absorb impacts differently. Hitting a pothole or other rough...

It's very possible that the threads on the housing were damaged or warped when the old filter cap was overtightened so much. If neither of the new caps will cleanly go in, then I would recommend replacing the entire oil...