The e65 and e66 seven-series was originally introduced to the American public in 2002. Produced until 2009 , the e65 and e66 had a majorly different body style from the “traditional” BMW chassis. These sleek and stylish models were very popular, but there are several common issues experienced by owners. An unknown growling sound coming from the engine is a common malfunction.
Many of the e65 and e66 seven-series are approaching 100k miles, which is the point when owners notice a growling in the engine. It can even happen in vehicles with less mileage too. Drivers will first notice a rough idling or misfire, followed by unknown whines, howls, and growling. Some owners say it sounds like there are two engines operating under the hood, or a loud exhaust system on a nearby car. In most cases, this will happen when the engine is revving at low speeds.
The air conditioning belt could be one possible cause of the engine growling and whining. It could also be the alternator or the auxiliary heater, or even the oil separator valve. Some owners are able to test this by running the engine and then removing the dipstick to check the oil levels. If the engine changes pitch, it could be the oil separator valve or other seals and gaskets in the area of the engine.
If your BMW had strange growling sounds coming from the engine, contact a nearby German auto mechanic at Bavarian Rennsport to figure out the cause, and then we can perform the appropriate repairs. With so many possible causes for the growling sound, it is best to seek help from a professional.
Bavarian Rennsport is a local, independent BMW repair shop with BMW mechanics in Jacksonville, FL that have dealer-level expertise at a fraction of the expense.
Please be advised that in the event of any unexpected wait time other clients' vehicles may take longer than expected to diagnose and treat so unfortunate delays do occur. We will get to your vehicle as soon as possible.
To dropoff for your appointment:
Pull up to the cones or park in a parking spot in adjacent lot (next to the white building).
After parking, place keys in blue dropbox at the first door on the warehouse.
I have filled him with the Spirit of God, with wisdom, with understanding, with knowledge and with all kinds of skills.