Are all E46 alternators the same?

E46 models were equipped with a few different alternators with differing amperage ratings. Be sure your replacement alternator has the same rating as the faulty unit. You can usually find the amperage rating on the alternator housing.

How much does it cost to replace BMW alternator?

BMW 325i Alternator Replacement Cost Estimate. Labor costs are estimated between $136 and $172 while parts are priced between $328 and $610. This range is based on the number and age of BMW 325i’s on the road.

Will a BMW start with a bad alternator?

If there is an alternator seal leak that is stopping up the generating power of the alternator, then your engine will begin to have difficulty starting or idling.

How long do alternators last BMW?

Most alternators last anywhere between 80,000 to 150,000 miles or around seven years. This number can vary as all cars are different. Here are some factors that can affect the lifespan of your alternator: Alternator quality.

How long does an alternator last BMW E46?

Thus the answer is alternators can last to over 200K miles, but not much more. If that lower slip ring was not so damaged the alternator could have been freshened up with a new regulator with brushes, about $40 for an aftermarket unit (a true Bosch replacement is about $150). Thanks for the share!

How do I know if my BMW alternator is bad?

Signs of a Bad Alternator

1. What does an alternator do?
2. Symptom #1 – Warning Indicator Light on Dashboard.
3. Symptom #2 – Dim/Flickering Headlights.
4. Symptom #3 – Dead Battery.
5. Symptom #4 – Strange Sounds.
6. Symptom #5 – Strange Smells.
7. Symptom #6 – Slow Electrical Accessories.
8. Symptom #7 – Regular Stalling/Difficulty Starting.

How long does E46 battery last?

6 years is about the max lifespan I have seen.

What does an alternator do in a BMW?

Your BMW alternator is responsible for converting the mechanical energy of your running BMW engine into electrical energy to power your BMW’s electrical systems, as well as keeping your battery charged. A failing alternator in your BMW can cause odd electrical behavior or potentially leave you stranded if early symptoms are ignored.

How much does a Bosch alternator cost for a BMW 3 series?

A new alternator brand alternator for many 6 cylinder E36 3 series – with no core charge or return! Price: $279.99 379.99 Price: $374.99 660.72 Price: $249.99 Price: $279.99 431.37 Price: $299.99 Price: $519.99 Price: $269.99 347.99

What to do if your alternator is bad?

This heat needs to be vented and dispersed in order to prevent damage to the alternator. Air-cooling of the alternator is used in nearly all car models and most BMW models. A faulty or failing alternator can cause many problems; from a simple discharging of the battery to an engine drivability problem.

How much does a Valeo alternator cost BMW?

Replace your broken adjuster bar and keep proper tension on the belt. Price: $37.70 45.72 Price: $53.99 56.83 Price: $38.70 51.57 Price: $85.90 114.51 Price: $469.99 800.88 Price: $869.99 927.00 OEM Valeo alternator for the V10 model M5 and M6.