Range Rover Petrol Engine Upgrades

MY 2002-2005(BMW 4.4 litre):        

No modifications available.  However, JE have considerable experience in working on these engines.  Most "Land-Rover Specialists" are frightened away from the BMW engine, particularly by the VANOS system of variable inlet-valve timing!  Not so JE.  If you have a problem with an RR equipped with this magnificent engine you know where to come for informed advice and technical expertise.

MY 2006 – MY 2010 (Jaguar AJV8)

JE have some very exciting performance upgrades for your AJV8-engined "Range Rover" (and some wise words for the LPG 'enthusiasts'!)  Check our Petrol Engines page here.

Forced Induction (4.2 litre engine)

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JE "Supersport" modification

A total engine performance package which has received rave reviews in the specialist press (see "Media Comments") With reprogrammed electronics, modified supercharger drive, air- flowed and matched inlet castings, itg air filter and JE stainless exhaust with free-flow catalysts, the tune endows the Range Rover with a tractable and significant increase in power and torque The upgrade gives nearly 50bhp over the standard unit and lowers the 0-60mph to around 6 seconds. Truly awesome performance for a luxury multi-purpose vehicle.

Full JE 'Supersport' modification including catalysts but excluding stainless steel JE exhaust system ......... . . . £3495.00 F&T

JE "Zulu" modification

Yet further performance is available in "Zulu" specification where, in addition to the work carried out in the 'Supersport' conversion, extensive cylinder-head modification and alternative valves yield 460 - 480 bhp.  Incorporating polished and ported inlet and exhaust tracts, 32.5mm Iconel exhaust valves with sintered tungsten carbide valve seats all round. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . £5995.00 F&T

Normally Aspirated

The 'Zulu' big-valve polished and ported head and manifold conversion can also be carried out on the normally aspirated AJV8 engine and is presently used in the 'JE-35'.  These heads are substantially cheaper than the supercharged engine conversion options, yet still  yield around 300-320 bhp. POA

For those customers not requiring the 'Zulu' levels of performance we can offer a simple but highly effective inlet/exhaust package as follows:

itg air filter £81.00

"Sports" hi-flow catalyst exhaust section £895.00

cat-free sections with exhaust are available for certain countries, please enquire

de-cat sections with silencer £595.00

5.0 litre engine

No upgrades available yet.

Prices do not include VAT which UK customers must add at the current rate.