Thread: Engine: D5: - Significance of BSR on rear boot
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Old May 4th, 2021, 21:15   #4
Kev0607
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Quote:
Originally Posted by wirralepcs View Post
What does BSR stand for on the rear boot of a 2004 Volvo S60 D5? Would that car have the 163 bhp engine or the 185 bhp?
If viewing a car in person, open the driver's door & you should see a label around the lip where the door closes. Read it closely & it'll tell you what bhp the car has.

If it has a five speed transmission (if auto), then its a euro 3. If its a euro 4, it'll have a six speed.

As that's a 2004 with a black engine cover, I suspect that to be a 163bhp (there wasn't a 185bhp version in 2004). The 185bhp euro 4 engine come out around mid 2005 if I recall correctly, so the one you're looking at would be too old to have a 185bhp engine.

Prior to Euro 4, the D5 engines were 163bhp (euro 3) and that is what people usually mean by the "163 engine" (euro 3 had no DPF). When the 185bhp euro 4 version came along (with DPF), it was accompanied by another "detuned" engine (explained in the next paragraph).

Coincidentally, the "detuned" euro 4 163bhp engine also had 163 bhp (same as the euro 3 engine power wise, but it had all the same components as the more powerful/newer 185bhp euro 4 version (including DPF, swirl flaps etc). So the "detuned" engine was basically a less powerful euro 4 5 cylinder engine, but was actually identical to the 185bhp version in terms of engine layout & having a DPF.

You may come across cars that have a "2.4 D" badge on the boot. These are still D5's with euro 4 engines, but are the "detuned" versions with less power (what I referred to above). My car for example is a 163bhp 2.4 D (still a 5 cylinder). It has a euro 4 engine that's identical to my Dad's euro 4 V70 D5 with 185bhp, just mine has less power.
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2007 S80 2.4 D5 - 110,000 miles

Last edited by Kev0607; May 4th, 2021 at 22:03.
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