Quote:
Originally Posted by Phil325i
Could you give the part number for your new diff cover (with cooling fins) please? Do you know if it's a stright swap for cover number 33117518404?
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The 328i has the 188L diff with the part number you listed. The finned diff cover (33117516280) is from a 530i with the 188K diff and they are a direct swap. Although keep in mind that some fins may have to be shaved depending on your exhaust setup for clearance.
The car made 298whp/250wtq on the dyno. That's 100whp over the baseline dyno, so I can't complain too much, but I was definitely hoping the power figure would start with a 3. The car runs out of something, maybe fuel, near the top of the RPM range, so maybe that can be fixed. Looking at you, N54 intake manifold. If not, methanol and lower charge temps will! This kit really should have been intercooled, the supercharger gets so hot and raises the charge temps after only a couple of pulls.
