So, check both of those locations. Owner of toyota with sealant bonding oil pan don’t have any leak at over 200k miles while bmw old gasket shrinking and leaked.
There is also an oil filter housing gasket that can cause an oil leak.
E46 differential cover gasket. If a paper gasket was fitted, a paper or liquid gasket can be used. The liquid gasket can be found in main group 33 in the electronic parts catalogue. Mine for sure had paper.
If you're installing the cover with a factory gasket, this job is rather simple. They mostly leak on the passenger side of the motor near the rear of the valve cover on top of the heat shield for the bank 2 exhaust manifold. For increased cooling surface area, the fins are connected at the bottom, similar to the factory e39 m5 and e46 m3 differential covers.
These diff mounts are only recommended for racecars since the aluminum transfers more noise and vibration. It will look like so: If you have an oil leak down the exhaust side or front of your engine, start at the top and replace the valve cover gasket.
Bmw has discontinued this part, and now recommends using rtv silicone for sealing the differential cover. For increased cooling surface area, the fins are connected at the bottom, similar to the factory e39 m5 and e46 m3 differential covers. You'll want to apply the gasket to the cover, then insert the top and bottom bolt through the gasket and the cover.
You can see if there is a paper gasket. Take your time with this one so you don't str. Engine for bmw 3 coupe (e46) 143 hp / 105 kw petrol.
Part numbers needed for the fix: This genuine bmw differential cover gasket (mfg#33108305033) fits bmw e31, bmw e32, bmw e34 540i, bmw e34 m5, bmw e39 m5, bmw e46 m3, bmw z4 m coupe, bmw z4 m roadster. Some of the finer details may be slightly different on z3m and z4m models but the overall process is going to be the same.
The extended area of the differential cover extends 2.25. If a paper gasket was fitted, a paper or liquid gasket can be used. A great upgrade to the oe housing cover.
He set the output shaft seals too deep (bottomed out on the flange) instead of at the 19.5mm depth from rim as shown in the tis. Valve cover gasket (vcg) leak this happens to every e46 eventually. The cooling fins stick below the actual differential, allowing for additional cooling.
It’s more work to apply sealant properly but it seal better. It is an easy fix, in my opinion. A forum community dedicated to bmw e46, e90, and f30 owners and enthusiasts.
Early diff used gasket but later ones used sealant. Rear differential cover with mounts. 1996 bmw 328is differential gasket:
Seals the rear differential cover brand: Original bmw replacement valve cover gaskets, including large cover gasket and spark plug cavity gaskets. I'll check, but my diff may not be the greatest example.
But yes, i need to look at the transmission bolts issue. If necessary, remove remnants of liquid gasket with scraper. These are very very common and happen to every e46 eventually.
It will look like so: Clean sealing face on cover and rear differential. Come join the discussion about m performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more!
In this particular blog article, we'll be replacing the valve cover gasket on a 2002 bmw e46 m3. Vac motorsports billet differential cover. The bmw e46 valve cover gasket is one of the most common places to leak oil.
A mostly helpful diy on how to change your differential for a quicker ratio. This item fits the following bmws: Parts kit, automatic transmission oil change.
Jump to latest follow hey everyone! 33121214719 (33 12 1 214 719) applications: When the valve cover gasket leaks, it can create quite a mess and seem much worse than it is.
The valve cover gasket usually fails around 60k miles, and this is the #1 repair on these vehicles, usually leaks on the exhaust manifold and causes some smoking. They mount with the stock bmw hardware. They mostly leak on the passenger side of the motor near the rear of the valve cover on top of the heat shield for the bank 2 exhaust manifold.
If this is not the exact differential cover gasket you are looking for, or you would like this part in a brand other than victor reinz,. Blew out 300ml of brand new diff oil in a dozen laps.